/* ==========================================================================
   Design System - Video Ad Scenario Generator
   ========================================================================== */

:root {
  --color-bg: #fafafa;
  --color-surface: #ffffff;
  --color-fg: #0a0a0a;
  --color-fg-secondary: #525252;
  --color-fg-muted: #a3a3a3;
  --color-border: #e5e5e5;
  --color-border-strong: #d4d4d4;
  --color-accent: #0a0a0a;
  --color-accent-hover: #262626;
  --color-error: #dc2626;
  --color-success: #16a34a;
  
  --font-sans: "Noto Sans JP", "Hiragino Sans", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;
  --font-heading: "IBM Plex Sans JP", "Noto Sans JP", system-ui, sans-serif;
  
  --text-xs: 0.75rem;
  --text-sm: 0.8125rem;
  --text-base: 0.875rem;
  --text-lg: 1rem;
  --text-xl: 1.125rem;
  --text-2xl: 1.5rem;
  
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  
  --sidebar-width: 260px;
  --sidebar-collapsed-width: 72px;
  --content-max-width: 960px;
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
  
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 2px 4px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 4px 12px rgba(0, 0, 0, 0.08);
  
  --duration-fast: 100ms;
  --duration-normal: 150ms;
  --duration-slow: 200ms;
  --ease-out: cubic-bezier(0.33, 1, 0.68, 1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { height: 100%; -webkit-font-smoothing: antialiased; }

body {
  min-height: 100dvh;
  background: var(--color-bg);
  color: var(--color-fg);
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: 1.6;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: -0.02em;
}

a { color: inherit; text-decoration: none; }
.tabular { font-variant-numeric: tabular-nums; }

/* App Shell */
.app_shell {
  display: grid;
  grid-template-columns: var(--sidebar-width) 1fr;
  min-height: 100dvh;
}

/* Sidebar */
.sidebar {
  background: var(--color-surface);
  border-right: 1px solid var(--color-border);
  padding: var(--space-6);
  position: sticky;
  top: 0;
  height: 100dvh;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

.sidebar_header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
}

.sidebar_brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding-bottom: var(--space-6);
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--space-5);
  text-decoration: none;
  color: inherit;
}

a.sidebar_brand:hover { opacity: 0.8; }

.sidebar_logo {
  width: 32px;
  height: 32px;
  background: var(--color-accent);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.sidebar_logo svg { width: 18px; height: 18px; color: white; }

.sidebar_title {
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.sidebar_toggle {
  display: none;
  background: none;
  border: none;
  padding: var(--space-2);
  cursor: pointer;
  color: var(--color-fg-muted);
  border-radius: var(--radius-md);
}

.sidebar_toggle:hover { color: var(--color-fg); background: var(--color-bg); }
.sidebar_toggle svg { width: 20px; height: 20px; }

.sidebar_open {
  display: none;
  position: fixed;
  top: var(--space-4);
  left: var(--space-4);
  z-index: 100;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-2);
  cursor: pointer;
  box-shadow: var(--shadow-md);
}

.sidebar_open svg { width: 20px; height: 20px; }

.sidebar_section {
  margin-top: var(--space-5);
  margin-bottom: var(--space-2);
  padding-left: var(--space-3);
  color: var(--color-fg-muted);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.sidebar_nav { display: flex; flex-direction: column; gap: var(--space-1); }

.sidebar_tool_groups {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.tool_group {
  border: none;
  background: transparent;
}

.tool_group_header {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.tool_group_header .nav_item {
  flex: 1;
  margin: 0;
}

.tool_group_toggle {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--color-fg-muted);
  transition: color var(--duration-fast);
  cursor: pointer;
}

.tool_group_toggle::before {
  content: "";
  width: 0;
  height: 0;
  border-left: 6px solid currentColor;
  border-top: 4px solid transparent;
  border-bottom: 4px solid transparent;
  transition: transform var(--duration-fast);
}

.tool_group.is_open .tool_group_toggle {
  color: var(--color-fg);
}

.tool_group.is_open .tool_group_toggle::before {
  transform: rotate(90deg);
}

.tool_group_body {
  margin-left: 34px;
  padding: var(--space-1) var(--space-2) var(--space-3);
  border-left: 1px solid var(--color-border);
  display: none;
}

.tool_group.is_open .tool_group_body { display: block; }

.tool_group_label {
  font-size: var(--text-xs);
  color: var(--color-fg-muted);
  margin-bottom: var(--space-2);
}

.history_list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.history_item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  padding-bottom: var(--space-2);
  border-bottom: 1px solid var(--color-border);
}

.history_item:last-child { border-bottom: none; padding-bottom: 0; }

.history_item_link {
  font-size: var(--text-sm);
  color: var(--color-fg);
  display: block;
  line-height: 1.4;
  flex: 1;
}

.history_item_delete {
  border: none;
  background: none;
  color: var(--color-fg-muted);
  font-size: var(--text-xs);
  cursor: pointer;
  padding: 0;
  justify-self: end;
  opacity: 0;
  transition: opacity var(--duration-fast);
}

.history_item:hover .history_item_delete { opacity: 1; }

.history_empty {
  font-size: var(--text-xs);
  color: var(--color-fg-muted);
  padding: var(--space-2) 0;
}

.nav_item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  color: var(--color-fg-secondary);
  position: relative;
  transition: background-color var(--duration-fast), color var(--duration-fast);
}

.nav_item:hover { background: var(--color-bg); color: var(--color-fg); }
.nav_item:focus-visible { outline: 2px solid var(--color-accent); outline-offset: -2px; }
.nav_item.is_active { background: var(--color-accent); color: white; font-weight: 500; }
.nav_item.is_active:hover { background: var(--color-accent-hover); }

.nav_item.is_active::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 16px;
  background: white;
  border-radius: 0 2px 2px 0;
}

.nav_icon { width: 18px; height: 18px; flex-shrink: 0; opacity: 0.7; }
.nav_item.is_active .nav_icon { opacity: 1; }

.sidebar_footer {
  margin-top: auto;
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border);
  font-size: var(--text-xs);
  color: var(--color-fg-muted);
}

/* Sidebar Collapsed (Desktop Mini) */
.app_shell.sidebar_collapsed {
  grid-template-columns: var(--sidebar-collapsed-width) 1fr;
}

.app_shell.sidebar_collapsed .sidebar {
  display: flex;
  width: var(--sidebar-collapsed-width);
  padding: var(--space-4) var(--space-2);
  align-items: center;
}

.app_shell.sidebar_collapsed .sidebar_open { display: none; }
.app_shell.sidebar_collapsed .sidebar_title { display: none; }
.app_shell.sidebar_collapsed .sidebar_section { display: none; }
.app_shell.sidebar_collapsed .sidebar_tool_groups {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  width: 100%;
}
.app_shell.sidebar_collapsed .sidebar_footer { display: none; }
.app_shell.sidebar_collapsed .nav_label { display: none; }
.app_shell.sidebar_collapsed .sidebar_toggle { display: none; }
.app_shell.sidebar_collapsed .sidebar_brand { cursor: pointer; }

.app_shell.sidebar_collapsed .sidebar_header {
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
}

.app_shell.sidebar_collapsed .sidebar_brand {
  padding-bottom: var(--space-4);
  margin-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-border);
  justify-content: center;
}

.app_shell.sidebar_collapsed .sidebar_nav {
  align-items: center;
  gap: var(--space-2);
}

.app_shell.sidebar_collapsed .nav_item {
  justify-content: center;
  padding: var(--space-2);
}

.app_shell.sidebar_collapsed .tool_group_header {
  width: 100%;
  justify-content: center;
}

.app_shell.sidebar_collapsed .tool_group_toggle {
  display: none;
}

.app_shell.sidebar_collapsed .tool_group_body {
  display: none;
}

.app_shell.sidebar_collapsed .nav_item.is_active::before {
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 16px;
  border-radius: 0 2px 2px 0;
}

.app_shell.sidebar_collapsed .main {
  padding-left: var(--space-8);
}

@media (min-width: 769px) { .sidebar_toggle { display: block; } }

/* Main */
.main {
  padding: var(--space-8);
  background: var(--color-bg);
  animation: fade_in var(--duration-slow) var(--ease-out);
}

@keyframes fade_in {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fade_in_up {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.main_header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding-bottom: var(--space-6);
  margin-bottom: var(--space-6);
  border-bottom: 1px solid var(--color-border);
}

.main_title {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: 700;
  letter-spacing: -0.03em;
}

.main_subtitle { color: var(--color-fg-muted); font-size: var(--text-sm); margin-top: var(--space-1); }
.main_actions { display: flex; gap: var(--space-2); }
.main_body { max-width: var(--content-max-width); }

.main_body_home {
  min-height: calc(100dvh - var(--space-8) * 2);
  display: flex;
  align-items: center;
  justify-content: center;
  max-width: 100% !important;
}

.main_body_full {
  max-width: 100%;
  margin-top: calc(var(--space-4) * -1);
  display: flex;
  flex-direction: column;
  min-height: calc(100dvh - var(--space-8) * 2);
  height: calc(100dvh - var(--space-8) * 2);
}

.main_body_canvas {
  max-width: 100%;
  margin-top: 0;
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
}

.canvas_body {
  height: 100%;
  min-height: 100%;
  overflow: hidden;
}

.canvas_main {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: 0;
  background: transparent;
}

.main_body_wide {
  max-width: 1120px;
  margin: 0 auto;
}

/* Home */
.home_container {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: calc(100dvh - var(--space-8) * 2);
  padding: var(--space-6);
}

.home_cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
  max-width: 900px;
  width: 100%;
}

.home_card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--space-8) var(--space-5);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: transform var(--duration-fast), box-shadow var(--duration-fast);
  animation: fade_in_up var(--duration-slow) var(--ease-out) backwards;
}

.home_card:nth-child(1) { animation-delay: 0ms; }
.home_card:nth-child(2) { animation-delay: 80ms; }
.home_card:nth-child(3) { animation-delay: 160ms; }

.home_card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.home_card:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }

.home_card_icon {
  width: 64px;
  height: 64px;
  margin-bottom: var(--space-5);
  color: var(--color-accent);
  transition: transform var(--duration-fast);
}

.home_card:hover .home_card_icon { transform: scale(1.1); }
.home_card_icon svg { width: 100%; height: 100%; }

.home_card_title {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: var(--space-3);
}

.home_card_desc { font-size: var(--text-sm); color: var(--color-fg-secondary); line-height: 1.6; }

.home_card_arrow {
  width: 24px;
  height: 24px;
  margin-top: var(--space-5);
  color: var(--color-fg-muted);
  opacity: 0;
  transform: translateX(-8px);
  transition: opacity var(--duration-fast), transform var(--duration-fast);
}

.home_card:hover .home_card_arrow { opacity: 1; transform: translateX(0); }
.home_card_arrow svg { width: 100%; height: 100%; }

@media (max-width: 900px) {
  .home_cards { grid-template-columns: 1fr; max-width: 400px; }
  .home_card { flex-direction: row; text-align: left; padding: var(--space-5); gap: var(--space-4); }
  .home_card_icon { width: 48px; height: 48px; margin-bottom: 0; flex-shrink: 0; }
  .home_card_title { margin-bottom: var(--space-1); }
  .home_card_arrow { margin-top: 0; opacity: 0.5; transform: translateX(0); }
}

/* Layout */
.stack { display: flex; flex-direction: column; gap: var(--space-5); }
.stack_sm { gap: var(--space-3); }
.stack_lg { gap: var(--space-8); }

.two_col { display: grid; grid-template-columns: 1fr 340px; gap: var(--space-6); align-items: start; }
.col { min-width: 0; }

/* Tool Tabs */
.tool_workspace {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 0;
}

.tool_section {
  display: none;
  flex-direction: column;
  flex: 1;
  min-height: 0;
}

.tool_section.is_active {
  display: flex;
}

.tool_tabs {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
  padding: var(--space-2) var(--space-3);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.tool_tabs_inner {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex: 1;
  overflow: hidden;
  justify-content: space-between;
}

.tool_tab_list {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: nowrap;
  overflow-x: auto;
  padding-bottom: 2px;
  flex: 1;
}

.tool_tab {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: #f7f7f7;
  padding: 4px var(--space-3);
  white-space: nowrap;
  transition: border-color var(--duration-fast), background-color var(--duration-fast), color var(--duration-fast);
}

.tool_tab.is_active {
  border-color: var(--color-accent);
  background: var(--color-accent);
  color: white;
}

.tool_tab_button {
  border: none;
  background: transparent;
  font-size: var(--text-sm);
  color: inherit;
  cursor: pointer;
  padding: var(--space-1) var(--space-1);
}

.tool_tab_close {
  border: none;
  background: transparent;
  color: inherit;
  cursor: pointer;
  font-size: var(--text-sm);
  padding: 0 var(--space-1);
  opacity: 0.6;
}

.tool_tab_close:hover { opacity: 1; }

.tool_tab_input {
  font-size: var(--text-sm);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  padding: 2px var(--space-2);
  width: 140px;
}

.tool_tab_add {
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  border-radius: var(--radius-md);
  width: 32px;
  height: 32px;
  cursor: pointer;
  font-size: var(--text-lg);
  color: var(--color-fg-secondary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.tool_tab_add.is_disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.tool_host {
  position: relative;
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 0;
}

.tool_host_frames {
  position: relative;
  flex: 1;
  min-height: 0;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.tool_host_frame {
  width: 100%;
  height: 100%;
  min-height: 0;
  border: 0;
  display: none;
}

.tool_host_frame.is_active {
  display: block;
}

/* Three Column Layout */
.three_col {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-4);
  height: calc(100dvh - var(--space-8) * 2);
  min-height: 500px;
}

.canvas_body .three_col {
  flex: 1;
  height: 100%;
  min-height: 0;
}

.canvas_body .three_col .col_left,
.canvas_body .three_col .col_center,
.canvas_body .three_col .col_right {
  height: 100%;
}

.three_col .col_left,
.three_col .col_right {
  display: flex;
  flex-direction: column;
  height: 100%;
  min-width: 0;
  overflow: hidden;
}

.three_col .col_center {
  display: flex;
  flex-direction: column;
  height: 100%;
  min-width: 0;
  min-height: 0;
  overflow: hidden;
}

/* Left Panel (条件/リスト) */
.panel_left {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
}

.panel_left_header {
  padding: var(--space-4);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
}

.panel_left_title {
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 600;
}

.panel_left_body {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-4);
}

/* Import tool no longer uses a white overlay when empty. */

/* Center Panel (プレビュー/エディター) */
.panel_center {
  background: transparent;
  border: none;
  border-radius: 0;
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: visible;
}

.panel_center_header {
  width: min(100%, 760px);
  margin: var(--space-5) auto 0;
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-border);
  border-bottom: none;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--color-bg);
  flex-shrink: 0;
  box-shadow: var(--shadow-sm);
  position: relative;
  z-index: 2;
}

.panel_center_title {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.panel_center_title_text {
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 600;
}

.panel_center_status {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.status_dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-fg-muted);
}

.status_dot.is_saved { background: var(--color-success); }
.status_dot.is_modified { background: #f59e0b; }
.status_dot.is_error { background: var(--color-error); }

.panel_center_actions {
  display: flex;
  gap: var(--space-2);
}

.panel_center_body {
  flex: 1;
  min-height: 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

/* Preview Panel (中央プレビュー) */
.preview_empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  flex: 1;
  min-height: 0;
  color: var(--color-fg-muted);
  text-align: center;
  padding: var(--space-8);
}

.preview_empty_icon {
  width: 80px;
  height: 80px;
  margin-bottom: var(--space-5);
  opacity: 0.25;
  color: var(--color-fg-muted);
}

.preview_empty_title {
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--color-fg-secondary);
  margin-bottom: var(--space-2);
}

.preview_empty_text {
  font-size: var(--text-sm);
  color: var(--color-fg-muted);
  max-width: 280px;
}

.preview_content {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  padding: var(--space-5);
  align-items: center;
}

.preview_list {
  width: min(100%, 760px);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.preview_card {
  width: min(100%, 760px);
  display: flex;
  flex-direction: column;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.preview_card_header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-4);
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}

.preview_card_title {
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 600;
}

.preview_card_body {
  padding: var(--space-4);
}

.preview_textarea {
  width: 100%;
  border: none;
  background: transparent;
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  line-height: 1.75;
  color: var(--color-fg);
  resize: none;
  outline: none;
  padding: 0;
  min-height: 220px;
  overflow: hidden;
}

.preview_textarea::placeholder {
  color: var(--color-fg-muted);
}

/* Scenario cards (contenteditable) */
.scenario-display {
  width: min(100%, 760px);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.scenario-card-content {
  width: 100%;
  border: none;
  background: transparent;
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  line-height: 1.75;
  color: var(--color-fg);
  outline: none;
  min-height: 220px;
  white-space: pre-wrap;
}

.scenario-editable:focus {
  background: rgba(10, 10, 10, 0.03);
}

/* Marker tools */
.marker-tools {
  width: min(100%, 760px);
  margin: var(--space-5) auto var(--space-4);
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}

.marker-tools-left,
.marker-tools-right {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.marker-tool-group {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.marker-tool-divider {
  width: 1px;
  height: 24px;
  background: var(--color-border);
}

.marker-tool-btn {
  width: 32px;
  height: 32px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  background: transparent;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--color-fg-secondary);
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-out);
}

.marker-tool-btn:hover {
  background: var(--color-surface);
  border-color: var(--color-border);
}

.marker-tool-btn.active {
  background: var(--color-surface);
  border-color: var(--color-accent);
  box-shadow: var(--shadow-sm);
}

.marker-tool-btn.preview-btn {
  width: 36px;
  height: 36px;
  border-color: var(--color-border);
}

.marker-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
}

.marker-dot.green {
  background: var(--color-success);
}

.marker-dot.red {
  background: var(--color-error);
}

.marker-count-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 20px;
  height: 20px;
  padding: 0 6px;
  background: var(--color-accent);
  color: #fff;
  border-radius: 10px;
  font-size: var(--text-xs);
  font-weight: 600;
}

.marker-clear-btn {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  color: var(--color-fg-secondary);
  cursor: pointer;
}

.marker-clear-btn:hover {
  border-color: var(--color-error);
  color: var(--color-error);
  background: #fff5f5;
}

/* Marker preview panel */
.marker-preview-panel {
  --marker-preview-width: 440px;
  --marker-preview-list-height: 520px;
  position: fixed;
  top: 0;
  right: calc(-1 * var(--marker-preview-width) - 20px);
  width: var(--marker-preview-width);
  height: 100vh;
  background: var(--color-surface);
  border-left: 1px solid var(--color-border);
  box-shadow: -12px 0 32px rgba(0, 0, 0, 0.08);
  z-index: 1200;
  display: flex;
  flex-direction: column;
  transition: right var(--duration-slow) var(--ease-out);
}

.marker-preview-panel.show {
  right: 0;
}

.marker-preview-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-3);
  padding: var(--space-4);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg);
}

.marker-preview-title {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 600;
}

.marker-preview-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 18px;
  height: 18px;
  padding: 0 6px;
  border-radius: 9px;
  background: var(--color-accent);
  color: #fff;
  font-size: var(--text-xs);
}

.marker-preview-actions {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  margin-left: auto;
}

.marker-preview-slider-wrap {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

.marker-preview-slider-label {
  font-size: var(--text-xs);
  color: var(--color-fg-muted);
}

.marker-preview-slider {
  width: 120px;
  accent-color: var(--color-accent);
  appearance: none;
  height: 4px;
  border-radius: 999px;
  background: var(--color-border);
}

.marker-preview-slider::-webkit-slider-thumb {
  appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--color-accent);
  border: 2px solid var(--color-surface);
  box-shadow: var(--shadow-sm);
}

.marker-preview-slider::-moz-range-thumb {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--color-accent);
  border: 2px solid var(--color-surface);
  box-shadow: var(--shadow-sm);
}

.marker-preview-close {
  width: 32px;
  height: 32px;
  border: none;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--color-fg-muted);
  cursor: pointer;
}

.marker-preview-close:hover {
  background: var(--color-bg);
  color: var(--color-fg);
}

.marker-preview-body {
  flex: 1;
  min-height: 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.marker-preview-list {
  flex: 1;
  overflow-y: auto;
  min-height: 0;
  max-height: var(--marker-preview-list-height);
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.marker-preview-list .empty-state {
  text-align: center;
  color: var(--color-fg-muted);
  font-size: var(--text-sm);
  padding: var(--space-4) 0;
}

.marker-preview-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  flex-shrink: 0;
}

.marker-preview-item.green-item {
  border-left: 3px solid var(--color-success);
}

.marker-preview-item.red-item {
  border-left: 3px solid var(--color-error);
}

.marker-preview-item-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3);
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  gap: var(--space-2);
}

.marker-preview-type {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 999px;
  border: 1px solid transparent;
  background: var(--color-surface);
}

.marker-preview-type.green {
  color: var(--color-success);
  background: rgba(22, 163, 74, 0.1);
  border-color: rgba(22, 163, 74, 0.2);
}

.marker-preview-type.red {
  color: var(--color-error);
  background: rgba(220, 38, 38, 0.1);
  border-color: rgba(220, 38, 38, 0.2);
}

.marker-preview-type .marker-dot {
  width: 8px;
  height: 8px;
}

.marker-preview-scenario {
  font-size: var(--text-xs);
  color: var(--color-fg-muted);
  padding: 2px 6px;
  margin: var(--space-2) var(--space-3) 0;
  background: var(--color-bg);
  border-radius: var(--radius-sm);
}

.marker-preview-instruction {
  padding: var(--space-3);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.marker-preview-change {
  padding: var(--space-3);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.marker-preview-label {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-fg-secondary);
}

.marker-preview-input {
  width: 100%;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  padding: var(--space-2) var(--space-3);
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  line-height: 1.6;
  color: var(--color-fg);
  resize: vertical;
  min-height: 56px;
}

.marker-preview-input:focus {
  outline: none;
  border-color: var(--color-border-strong);
  box-shadow: 0 0 0 2px rgba(10, 10, 10, 0.06);
}

.marker-preview-delete {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-1);
  padding: 2px 10px;
  min-height: 24px;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  background: var(--color-surface);
  color: var(--color-fg-secondary);
  font-size: var(--text-xs);
  font-weight: 600;
  line-height: 1;
  white-space: nowrap;
  cursor: pointer;
}

.marker-preview-delete:hover {
  border-color: rgba(220, 38, 38, 0.35);
  background: #fff5f5;
  color: var(--color-error);
}

.marker-preview-content {
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  font-size: var(--text-sm);
  color: var(--color-fg-secondary);
  line-height: 1.6;
  min-height: 56px;
  white-space: pre-wrap;
  word-break: break-word;
}

.marker-preview-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4);
  border-top: 1px solid var(--color-border);
  background: var(--color-bg);
  gap: var(--space-2);
}

.marker-preview-clear-btn,
.marker-preview-apply-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 8px 12px;
  border-radius: var(--radius-md);
  font-size: var(--text-xs);
  cursor: pointer;
}

.marker-preview-clear-btn {
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-fg-secondary);
}

.marker-preview-clear-btn:hover {
  border-color: var(--color-error);
  color: var(--color-error);
  background: #fff5f5;
}

.marker-preview-apply-btn {
  border: none;
  background: var(--color-accent);
  color: #fff;
}

.marker-preview-apply-btn svg {
  transition: opacity 0.2s ease;
}

.marker-preview-apply-spinner {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.35);
  border-top-color: #fff;
  display: none;
  animation: markerSpin 0.8s linear infinite;
}

.marker-preview-apply-btn.is_loading {
  cursor: progress;
}

.marker-preview-apply-btn.is_loading .marker-preview-apply-spinner {
  display: inline-block;
}

.marker-preview-apply-btn.is_loading svg {
  opacity: 0.2;
}

.marker-preview-apply-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

@keyframes markerSpin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

/* Marker highlight */
.marker-highlight {
  padding: 2px 4px;
  margin: 0 1px;
  border-radius: 3px;
  cursor: default;
}

.marker-highlight.marker-green,
.marker-green {
  background-color: rgba(22, 163, 74, 0.25);
  border-bottom: 2px solid rgba(22, 163, 74, 0.5);
}

.marker-highlight.marker-red,
.marker-red {
  background-color: rgba(220, 38, 38, 0.25);
  border-bottom: 2px solid rgba(220, 38, 38, 0.5);
}

/* Status Indicators (緑/赤ドット + バッジ) */
.status_indicators {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-right: var(--space-3);
}

.panel_center_header .status_indicators {
  display: none;
}

.status_indicator {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-fg-muted);
}

.status_indicator.is_success { background: var(--color-success); }
.status_indicator.is_error { background: var(--color-error); }
.status_indicator.is_warning { background: #f59e0b; }

.status_badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 20px;
  height: 20px;
  padding: 0 6px;
  background: var(--color-accent);
  color: white;
  border-radius: 10px;
  font-size: var(--text-xs);
  font-weight: 600;
}

.preview_actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.btn.preview_action {
  padding: 4px 12px;
  min-height: 28px;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-fg-secondary);
}

.btn.preview_action:hover:not(:disabled) {
  background: var(--color-bg);
  border-color: var(--color-border-strong);
}

/* Editor (編集可能エリア) - 旧スタイル互換 */
.editor_area {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-4);
}

.editor_textarea {
  width: 100%;
  height: 100%;
  min-height: 100%;
  border: none;
  background: transparent;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  line-height: 1.8;
  color: var(--color-fg);
  resize: none;
  outline: none;
}

.editor_textarea::placeholder {
  color: var(--color-fg-muted);
}

.editor_empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  color: var(--color-fg-muted);
  text-align: center;
  padding: var(--space-8);
}

.editor_empty_icon {
  width: 64px;
  height: 64px;
  margin-bottom: var(--space-4);
  opacity: 0.3;
}

.editor_empty_text {
  font-size: var(--text-sm);
  max-width: 240px;
}

/* Right Panel (チャット/オプション) */
.panel_right {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
}

.panel_right_header {
  padding: var(--space-4);
  border-bottom: 1px solid var(--color-border);
  flex-shrink: 0;
}

.panel_right_title {
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 600;
}

.panel_right_body {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-4);
}

.panel_right_footer {
  padding: var(--space-4);
  border-top: 1px solid var(--color-border);
  background: var(--color-surface);
  flex-shrink: 0;
}

/* Scenario List (左パネル用) */
.scenario_list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.scenario_item {
  position: relative;
}

.scenario_item_pick {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  min-width: 0;
  flex: 1;
}

.scenario_item_grip {
  z-index: 2;
}

.scenario_item_grip:active {
  cursor: grabbing;
}

.scenario_item.is_dragging {
  opacity: 0.6;
  border-style: dashed;
}

.scenario_item_title {
  font-size: var(--text-sm);
  font-weight: 500;
  line-height: 1.4;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.scenario_item_preview_row {
  margin-top: var(--space-2);
  padding-left: calc(20px + var(--space-2));
}

.scenario_item_preview {
  font-size: var(--text-xs);
  color: var(--color-fg-secondary);
  line-height: 1.55;
  word-break: break-word;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
}

/* Add Button */
.add_btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  margin-top: var(--space-2);
  width: 100%;
  padding: var(--space-3);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-md);
  background: transparent;
  color: var(--color-fg-muted);
  font-size: var(--text-sm);
  cursor: pointer;
  transition: border-color var(--duration-fast), color var(--duration-fast), background-color var(--duration-fast);
}

.add_btn:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: var(--color-bg);
}

.add_btn svg {
  width: 16px;
  height: 16px;
}

/* Template Cards (左パネル用) */
.template_list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.template_item {
  padding: var(--space-3);
  padding-right: calc(var(--space-3) + 28px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: border-color var(--duration-fast), background-color var(--duration-fast);
  position: relative;
}

.template_item:hover { border-color: var(--color-border-strong); background: var(--color-bg); }
.template_item.is_selected { border-color: var(--color-accent); background: var(--color-bg); }

.template_item_header {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.template_item_grip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  color: var(--color-fg-muted);
  font-size: 12px;
  cursor: grab;
  user-select: none;
  position: absolute;
  right: var(--space-3);
  top: 50%;
  transform: translateY(-50%);
}

.template_item_grip:active {
  cursor: grabbing;
}

.template_item.is_dragging {
  opacity: 0.6;
  border-style: dashed;
}

.template_item_radio {
  accent-color: var(--color-accent);
}

.template_item_name {
  font-size: var(--text-sm);
  font-weight: 500;
}

.template_item_tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
  margin-top: var(--space-2);
}

/* Compact Form (右パネル用) */
.compact_form {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.compact_form_group {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.compact_form_label {
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-fg-muted);
}

.compact_form_label_required::after {
  content: "*";
  color: var(--color-error);
  margin-left: 2px;
}

/* Chat Panel (右パネル用) */
.chat_panel {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 0;
}

.chat_panel_log {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.chat_panel_input {
  padding: var(--space-3);
  border-top: 1px solid var(--color-border);
  display: flex;
  gap: var(--space-2);
}

.chat_panel_input .input {
  flex: 1;
}

.chat_panel_options {
  padding: var(--space-2) var(--space-3) var(--space-2);
  border-bottom: 1px solid var(--color-border);
  flex-shrink: 0;
}

.import_options_details > :not(summary) {
  padding: var(--space-2);
}

.import_options_details > summary {
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-xs);
}

.import_options_details .compact_form {
  gap: var(--space-2);
}

.import_options_details .compact_form_label {
  font-size: 11px;
}

.import_options_details .input,
.import_options_details .select {
  padding-top: 6px;
  padding-bottom: 6px;
  font-size: var(--text-xs);
  min-height: 32px;
}

/* Modal */
.modal_overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  animation: fade_in var(--duration-fast) var(--ease-out);
}

.modal {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  max-width: 500px;
  width: 90%;
  max-height: 90vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  animation: modal_in var(--duration-normal) var(--ease-out);
}

@keyframes modal_in {
  from { opacity: 0; transform: scale(0.95) translateY(10px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

.modal_header {
  padding: var(--space-4);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal_title {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: 600;
}

.modal_close {
  background: none;
  border: none;
  padding: var(--space-2);
  cursor: pointer;
  color: var(--color-fg-muted);
  border-radius: var(--radius-md);
}

.modal_close:hover { background: var(--color-bg); color: var(--color-fg); }
.modal_close svg { width: 20px; height: 20px; }

.modal_body {
  padding: var(--space-5);
  overflow-y: auto;
  flex: 1;
  min-height: 0;
}

.modal_form {
  display: flex;
  flex: 1;
  min-height: 0;
  flex-direction: column;
}

.modal_footer {
  padding: var(--space-4) var(--space-4) var(--space-8);
  border-top: 1px solid var(--color-border);
  display: flex;
  justify-content: flex-end;
  gap: var(--space-3);
  flex-shrink: 0;
  position: sticky;
  bottom: 0;
  background: var(--color-surface);
}

.transcribe_toggle {
  width: 100%;
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  color: var(--color-fg-secondary);
  font-size: var(--text-sm);
  cursor: pointer;
  transition: border-color var(--duration-fast), box-shadow var(--duration-fast);
}

.transcribe_toggle:hover {
  border-color: var(--color-border-strong);
}

.transcribe_toggle svg {
  width: 16px;
  height: 16px;
  transition: transform var(--duration-fast) var(--ease-out);
}

.transcribe_toggle.is_open svg {
  transform: rotate(180deg);
}

.transcribe_body {
  margin-top: var(--space-3);
}

.transcribe_body_scroll {
  max-height: 320px;
  overflow-y: auto;
  padding-right: var(--space-1);
}

.transcribe_dropzone {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-5);
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg);
  color: var(--color-fg-muted);
  text-align: center;
  cursor: pointer;
}

.transcribe_dropzone:hover {
  border-color: var(--color-border-strong);
  background: #f7f7f7;
}

.transcribe_drop_icon {
  width: 32px;
  height: 32px;
}

.transcribe_drop_title {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-fg-secondary);
}

.transcribe_drop_hint {
  font-size: var(--text-xs);
  color: var(--color-fg-muted);
}

.transcribe_loading {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

.btn_loading {
  display: inline-block;
  width: 14px;
  height: 14px;
  border: 2px solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

/* Responsive for Three Column */
@media (max-width: 1200px) {
  .three_col {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1025px) {
  .canvas_body .three_col {
    grid-template-columns:
      minmax(0, 1fr)
      minmax(var(--preview-fixed-width, 360px), var(--preview-fixed-width, 360px))
      minmax(0, 1fr);
  }
}

@media (max-width: 1024px) {
  .three_col {
    grid-template-columns: 1fr;
    height: auto;
    gap: var(--space-4);
  }

  .canvas_body { overflow: auto; }
  
  .three_col .col_left,
  .three_col .col_center,
  .three_col .col_right {
    height: auto;
    min-height: 300px;
  }
  
  .panel_left, .panel_center, .panel_right {
    height: auto;
    min-height: 300px;
  }
}

/* Cards */
.grid_cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: var(--space-3); }

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  transition: border-color var(--duration-fast), box-shadow var(--duration-fast), transform var(--duration-fast);
}

.card:hover { border-color: var(--color-border-strong); }
.card.is_selectable { cursor: pointer; }
.card.is_selectable:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.card.is_selected { border-color: var(--color-accent); box-shadow: 0 0 0 1px var(--color-accent); }

.card_header { display: flex; align-items: flex-start; gap: var(--space-3); }
.card_radio { margin-top: 2px; accent-color: var(--color-accent); }
.card_title { font-family: var(--font-heading); font-size: var(--text-sm); font-weight: 600; line-height: 1.3; }
.card_meta { margin-top: var(--space-2); display: flex; flex-wrap: wrap; gap: var(--space-2); }
.card_tag { display: inline-flex; padding: 2px var(--space-2); background: var(--color-bg); border-radius: var(--radius-sm); font-size: var(--text-xs); color: var(--color-fg-secondary); }

.scenario_search_panel {
  width: 100%;
  margin: 0 auto;
}

.scenario_search_form {
  display: flex;
  gap: var(--space-3);
  align-items: center;
  width: 100%;
}

.scenario_search_form .input {
  flex: 1;
  min-width: 0;
}

.scenario_panels {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-4);
}

.app_shell.sidebar_collapsed .scenario_panels {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.scenario_panel {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  box-shadow: var(--shadow-sm);
  min-width: 0;
}

.scenario_panel_header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-3);
}

.scenario_panel_actions {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  flex-shrink: 0;
}

.scenario_panel_action_form {
  margin: 0;
}

.scenario_panel_action {
  align-self: start;
  flex-shrink: 0;
}

.scenario_panel_info {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  flex: 1;
  min-width: 0;
}

.scenario_panel_title_input {
  width: 100%;
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 600;
  line-height: 1.3;
  margin: 0;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  padding: 2px var(--space-2);
  background: transparent;
  color: var(--color-fg);
  cursor: text;
  transition: border-color var(--duration-fast), background var(--duration-fast);
}

.scenario_panel_title_input:hover {
  border-color: var(--color-border);
  background: var(--color-bg);
}

.scenario_panel_title_input::placeholder { color: var(--color-fg-muted); }
.scenario_panel_title_input:focus {
  outline: none;
  border-color: var(--color-border);
  background: var(--color-bg);
}

.scenario_panel_title_input.is_saving {
  opacity: 0.7;
}

.scenario_panel_title_input.is_error {
  border-color: var(--color-error);
  background: rgba(239, 68, 68, 0.08);
}

.scenario_panel_meta {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.scenario_panel_body {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  background: var(--color-bg);
  min-height: 200px;
  max-height: 260px;
  overflow: auto;
}

.scenario_panel_text {
  font-size: var(--text-sm);
  color: var(--color-fg-secondary);
  line-height: 1.6;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.scenario_panel_source { display: none; }

@media (max-width: 720px) {
  .scenario_search_panel { max-width: 100%; }
  .scenario_search_form {
    flex-direction: column;
    align-items: stretch;
  }
  .scenario_search_form .input {
    max-width: none;
    width: 100%;
  }
  .scenario_panels {
    grid-template-columns: minmax(0, 1fr);
  }
  .app_shell.sidebar_collapsed .scenario_panels {
    grid-template-columns: minmax(0, 1fr);
  }
}


.scenario_grid {
  grid-template-columns: repeat(auto-fill, minmax(280px, 280px));
  justify-content: center;
  gap: var(--space-4);
}

.scenario_card {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  min-height: 220px;
}

.scenario_card_header {
  display: flex;
  justify-content: space-between;
  gap: var(--space-3);
  align-items: flex-start;
}

.scenario_card_date {
  font-size: var(--text-xs);
  color: var(--color-fg-muted);
  flex-shrink: 0;
}

.scenario_card_preview {
  font-size: var(--text-sm);
  color: var(--color-fg-secondary);
  line-height: 1.7;
  white-space: pre-wrap;
  word-break: break-word;
  display: -webkit-box;
  -webkit-line-clamp: 6;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Panel */
.panel {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  transition: box-shadow var(--duration-fast);
}

.panel:hover { box-shadow: var(--shadow-sm); }

.panel_title {
  font-family: var(--font-heading);
  font-size: var(--text-base);
  font-weight: 600;
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--color-border);
}

.form_grid { display: grid; gap: var(--space-4); }
.form_row { display: grid; grid-template-columns: 140px 1fr; gap: var(--space-4); align-items: start; }
.form_label { padding-top: var(--space-2); font-size: var(--text-sm); font-weight: 500; color: var(--color-fg-secondary); }
.form_label_required::after { content: "*"; color: var(--color-error); margin-left: var(--space-1); }
.form_field { min-width: 0; }
.form_hint { margin-top: var(--space-1); font-size: var(--text-xs); color: var(--color-fg-muted); }
.form_error { margin-top: var(--space-1); font-size: var(--text-xs); color: var(--color-error); }
.form_actions { display: flex; justify-content: flex-end; gap: var(--space-3); padding-top: var(--space-4); border-top: 1px solid var(--color-border); margin-top: var(--space-4); }

/* Memory settings */
.memory_modal_overlay {
  position: fixed;
  inset: 0;
  background: rgba(10, 10, 10, 0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-5);
  z-index: 1100;
}

.memory_modal {
  width: min(980px, 96vw);
  max-height: 92vh;
  min-height: 70vh;
  background: var(--color-surface);
  border-radius: 18px;
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.memory_modal_header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-5) var(--space-5) var(--space-3);
  border-bottom: 1px solid var(--color-border);
}

.memory_modal_title {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: 600;
}

.memory_modal_desc {
  margin-top: var(--space-2);
  font-size: var(--text-xs);
  color: var(--color-fg-muted);
  line-height: 1.6;
  max-width: 520px;
}

.memory_modal_close {
  background: transparent;
  border: none;
  color: var(--color-fg-muted);
  border-radius: var(--radius-md);
  padding: var(--space-2);
  cursor: pointer;
}

.memory_modal_close svg { width: 18px; height: 18px; }
.memory_modal_close:hover { background: var(--color-bg); color: var(--color-fg); }

.memory_modal_toolbar {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--color-border);
}

.memory_search_box {
  flex: 1;
  display: flex;
  align-items: center;
  gap: var(--space-2);
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  border-radius: 999px;
  padding: 8px 14px;
}

.memory_search_icon {
  width: 16px;
  height: 16px;
  color: var(--color-fg-muted);
}

.memory_search_input {
  border: none;
  outline: none;
  background: transparent;
  flex: 1;
  font-size: var(--text-sm);
  color: var(--color-fg);
}

.memory_add_details {
  position: relative;
  border: none;
  overflow: visible;
}

.memory_add_details > summary {
  padding: 0;
  background: transparent;
  list-style: none;
}

.memory_add_details > summary::before { content: none; }
.memory_add_details > summary::-webkit-details-marker { display: none; }
.memory_add_toggle { white-space: nowrap; }

.memory_add_popover {
  position: absolute;
  right: 0;
  top: calc(100% + 8px);
  width: min(360px, 84vw);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: var(--space-3);
  z-index: 6;
  display: none;
}

.memory_add_details[open] .memory_add_popover { display: block; }

.memory_add_form {
  display: grid;
  gap: var(--space-3);
}

.memory_add_textarea { min-height: 96px; }
.memory_add_actions { display: flex; justify-content: flex-end; }

.memory_list {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-2) var(--space-5) var(--space-4);
  display: flex;
  flex-direction: column;
}

.memory_row {
  border-bottom: 1px solid var(--color-border);
}

.memory_row:last-child { border-bottom: none; }

.memory_row_view {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-3) 0;
  cursor: pointer;
  list-style: none;
}

.memory_row_view::-webkit-details-marker { display: none; }

.memory_row_text {
  flex: 1;
  font-size: var(--text-sm);
  line-height: 1.6;
  color: var(--color-fg);
  word-break: break-word;
}

.memory_row_main {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.memory_row_meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  font-size: var(--text-xs);
  color: var(--color-fg-muted);
}

.memory_row_meta_pin {
  color: var(--color-accent);
  font-weight: 600;
}

.memory_row_actions {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

.memory_row_pin_form { margin: 0; }

.memory_row_pin_btn {
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-fg-muted);
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  font-size: var(--text-xs);
  cursor: pointer;
}

.memory_row_pin_btn.is_active {
  border-color: var(--color-accent);
  background: var(--color-accent);
  color: #fff;
}

.memory_row_delete_form { margin: 0; }

.memory_row_delete_btn {
  border: none;
  background: transparent;
  color: var(--color-fg-muted);
  padding: 4px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
}

.memory_row_delete_btn svg { width: 16px; height: 16px; }
.memory_row:hover .memory_row_delete_btn { color: var(--color-error); }
.memory_row_delete_btn:hover { background: var(--color-bg); }

.memory_row_edit_form {
  display: none;
  padding: 0 0 var(--space-3);
  gap: var(--space-2);
}

.memory_row[open] .memory_row_edit_form { display: grid; }
.memory_row_edit_textarea { min-height: 96px; }
.memory_row_edit_actions { display: flex; justify-content: flex-end; gap: var(--space-2); }

.memory_empty {
  padding: var(--space-6) 0;
  text-align: center;
  color: var(--color-fg-muted);
  font-size: var(--text-sm);
}

.memory_modal_footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding: var(--space-3) var(--space-5);
  border-top: 1px solid var(--color-border);
  font-size: var(--text-xs);
  color: var(--color-fg-muted);
}

.memory_search_status { font-variant-numeric: tabular-nums; }

.memory_candidates_panel {
  margin: var(--space-3) var(--space-2);
  padding: var(--space-3);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
}

.memory_candidates_header {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-fg);
  margin-bottom: var(--space-2);
}

.memory_candidates_list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.memory_candidate_item {
  display: flex;
  gap: var(--space-2);
  padding: var(--space-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg);
}

.memory_candidate_checkbox {
  margin-top: 3px;
}

.memory_candidate_body {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.memory_candidate_text {
  font-size: var(--text-sm);
  color: var(--color-fg);
}

.memory_candidate_meta {
  font-size: var(--text-xs);
  color: var(--color-fg-muted);
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.memory_candidate_actions {
  display: flex;
  justify-content: flex-end;
  margin-top: var(--space-2);
}

.memory_candidates_notice {
  font-size: var(--text-xs);
  color: var(--color-fg-muted);
}

.memory_inject_preview {
  margin-top: var(--space-3);
  padding: var(--space-3);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg);
}

.memory_inject_preview summary {
  cursor: pointer;
  font-size: var(--text-xs);
  color: var(--color-fg-muted);
}

.memory_inject_preview pre {
  margin-top: var(--space-2);
  white-space: pre-wrap;
  font-size: var(--text-xs);
  color: var(--color-fg);
}

@media (max-width: 720px) {
  .memory_modal { width: 100%; max-height: 92vh; min-height: 80vh; border-radius: 12px; }
  .memory_modal_toolbar { flex-direction: column; align-items: stretch; }
}

/* Inputs */
.input, .textarea, .select {
  width: 100%;
  padding: var(--space-2) var(--space-3);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-family: inherit;
  font-size: var(--text-sm);
  color: var(--color-fg);
  transition: border-color var(--duration-fast), box-shadow var(--duration-fast);
}

.input::placeholder, .textarea::placeholder { color: var(--color-fg-muted); }
.input:hover, .textarea:hover, .select:hover { border-color: var(--color-border-strong); }
.input:focus, .textarea:focus, .select:focus { outline: none; border-color: var(--color-accent); box-shadow: 0 0 0 3px rgba(10, 10, 10, 0.08); }
.input:disabled, .textarea:disabled, .select:disabled { background: var(--color-bg); color: var(--color-fg-muted); cursor: not-allowed; }
.textarea { resize: vertical; min-height: 100px; }
.select { cursor: pointer; appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%23525252' viewBox='0 0 16 16'%3E%3Cpath d='M4.5 6L8 9.5 11.5 6'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right var(--space-3) center; padding-right: var(--space-8); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  min-height: 36px;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-family: inherit;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-fg);
  cursor: pointer;
  position: relative;
  transition: background-color var(--duration-fast), border-color var(--duration-fast), transform var(--duration-fast), box-shadow var(--duration-fast);
}

.btn:hover:not(:disabled) { background: var(--color-bg); border-color: var(--color-border-strong); transform: translateY(-1px); }
.btn:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }
.btn:active:not(:disabled) { transform: translateY(0) scale(0.98); }
.btn:disabled { background: var(--color-bg); border-color: var(--color-border); color: var(--color-fg-muted); cursor: not-allowed; }

.btn_primary { background: var(--color-accent); border-color: var(--color-accent); color: white; }
.btn_primary:hover:not(:disabled) { background: var(--color-accent-hover); border-color: var(--color-accent-hover); box-shadow: 0 2px 8px rgba(10, 10, 10, 0.15); }
.btn_primary:disabled { background: var(--color-fg-muted); border-color: var(--color-fg-muted); }
.btn.is_inactive {
  background: var(--color-fg-muted);
  border-color: var(--color-fg-muted);
  color: #fff;
  cursor: pointer;
  opacity: 0.75;
}

.btn_with_select {
  width: 100%;
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.btn_with_select .btn {
  flex: 1;
  padding-left: var(--space-4);
  padding-right: var(--space-4);
  justify-content: center;
}

.btn_inline_select {
  min-width: 60px;
  border: 2px solid var(--color-accent);
  border-radius: 999px;
  padding: 6px 10px;
  font-size: var(--text-xs);
  font-weight: 600;
  text-align: center;
  background-color: var(--color-surface);
  color: var(--color-fg);
  appearance: none;
  cursor: pointer;
  background-image: none;
}

.btn_inline_select:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.btn.is_inactive:hover {
  background: var(--color-fg-muted);
  border-color: var(--color-fg-muted);
  box-shadow: none;
  transform: none;
}

.btn_danger { background: var(--color-error); border-color: var(--color-error); color: white; }
.btn_danger:hover:not(:disabled) { background: #b91c1c; border-color: #b91c1c; box-shadow: 0 2px 8px rgba(220, 38, 38, 0.15); }

.btn_ghost { border-color: transparent; }
.btn_ghost:hover { background: var(--color-bg); border-color: transparent; }
.btn_icon { padding: var(--space-2); min-height: auto; }
.btn_sm { padding: var(--space-1) var(--space-3); min-height: 30px; font-size: var(--text-xs); }

.btn.is_loading { pointer-events: none; color: transparent; }
.btn.is_loading::after { content: ""; position: absolute; width: 16px; height: 16px; border: 2px solid currentColor; border-right-color: transparent; border-radius: 50%; animation: spin 0.6s linear infinite; }
.btn_primary.is_loading::after { border-color: white; border-right-color: transparent; }

.btn.htmx-request { pointer-events: none; color: transparent !important; }
.btn.htmx-request::before { content: ""; position: absolute; width: 16px; height: 16px; border: 2px solid var(--color-fg-muted); border-right-color: transparent; border-radius: 50%; animation: spin 0.6s linear infinite; }
.btn_primary.htmx-request::before { border-color: rgba(255, 255, 255, 0.4); border-right-color: transparent; }

.memory_add_actions .btn,
.memory_row_edit_actions .btn {
  min-height: 36px;
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
}

@keyframes spin { to { transform: rotate(360deg); } }

/* Table */
.table { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg); overflow: hidden; }
.table_head { display: grid; grid-template-columns: 2fr 100px 120px 120px; gap: var(--space-4); padding: var(--space-3) var(--space-4); background: var(--color-bg); border-bottom: 1px solid var(--color-border); font-size: var(--text-xs); font-weight: 500; color: var(--color-fg-muted); text-transform: uppercase; letter-spacing: 0.05em; }
.table_row { display: grid; grid-template-columns: 2fr 100px 120px 120px; gap: var(--space-4); padding: var(--space-4); border-bottom: 1px solid var(--color-border); font-size: var(--text-sm); transition: background-color var(--duration-fast); position: relative; }
.table_row:last-child { border-bottom: none; }
a.table_row:hover { background: var(--color-bg); }
a.table_row::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 3px; background: var(--color-accent); transform: scaleY(0); transition: transform var(--duration-fast); }
a.table_row:hover::before { transform: scaleY(1); }
.table_cell { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.table_cell_muted { color: var(--color-fg-muted); }

/* Chat */
.chat_container { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg); display: flex; flex-direction: column; height: 560px; }
.chat_log { flex: 1; overflow-y: auto; padding: var(--space-5); display: flex; flex-direction: column; gap: var(--space-4); scroll-behavior: smooth; }
.chat_msg { max-width: 85%; }
.chat_msg_user { align-self: flex-end; }
.chat_msg_assistant { align-self: flex-start; }
.chat_msg_new .chat_bubble { animation: fade_in_up var(--duration-slow) var(--ease-out); }
.chat_bubble { padding: var(--space-3) var(--space-4); border-radius: var(--radius-lg); font-size: var(--text-sm); line-height: 1.5; white-space: pre-wrap; }
.chat_msg_user .chat_bubble { background: var(--color-accent); color: white; border-bottom-right-radius: var(--radius-sm); }
.chat_msg_assistant .chat_bubble { background: var(--color-bg); color: var(--color-fg); border-bottom-left-radius: var(--radius-sm); }

/* Chat markdown */
.chat_bubble h1,
.chat_bubble h2,
.chat_bubble h3,
.chat_bubble h4,
.chat_bubble h5,
.chat_bubble h6 {
  margin: 0 0 var(--space-2);
  font-size: var(--text-sm);
  font-weight: 700;
}
.chat_bubble p { margin: 0 0 var(--space-2); }
.chat_bubble p:last-child { margin-bottom: 0; }
.chat_bubble ul,
.chat_bubble ol { margin: 0 0 var(--space-2); padding-left: 1.2em; }
.chat_bubble li { margin: 0 0 var(--space-1); }
.chat_bubble li:last-child { margin-bottom: 0; }
.chat_bubble code {
  font-family: var(--font-mono);
  font-size: 0.92em;
  background: rgba(0, 0, 0, 0.06);
  padding: 0 0.3em;
  border-radius: 4px;
}
.chat_bubble pre {
  margin: var(--space-2) 0;
  padding: var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  line-height: 1.6;
  white-space: pre-wrap;
  background: rgba(0, 0, 0, 0.06);
  border-radius: var(--radius-md);
  overflow-x: auto;
}
.chat_bubble blockquote {
  margin: 0 0 var(--space-2);
  padding-left: var(--space-3);
  border-left: 3px solid var(--color-border);
  color: var(--color-fg-muted);
}

/* タイピングインジケーター */
.chat_typing .chat_bubble {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: var(--space-3) var(--space-4);
}

.typing_dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-fg-muted);
  animation: typing_bounce 1.4s ease-in-out infinite both;
}

.typing_dot:nth-child(1) { animation-delay: 0s; }
.typing_dot:nth-child(2) { animation-delay: 0.2s; }
.typing_dot:nth-child(3) { animation-delay: 0.4s; }

@keyframes typing_bounce {
  0%, 80%, 100% {
    transform: scale(0.6);
    opacity: 0.4;
  }
  40% {
    transform: scale(1);
    opacity: 1;
  }
}
.chat_role { font-size: var(--text-xs); color: var(--color-fg-muted); margin-bottom: var(--space-1); text-transform: uppercase; letter-spacing: 0.04em; }
.chat_input_area { padding: var(--space-4); border-top: 1px solid var(--color-border); display: flex; gap: var(--space-3); }
.chat_input_area .input { flex: 1; }
.chat_send_btn { position: relative; }
.chat_send_btn.htmx-request { pointer-events: none; }
.chat_send_btn.htmx-request svg { opacity: 0; }
.chat_send_btn.htmx-request::before { content: ""; position: absolute; width: 14px; height: 14px; border: 2px solid var(--color-fg-muted); border-right-color: transparent; border-radius: 50%; animation: spin 0.6s linear infinite; }
.chat_actions { display: flex; flex-direction: column; gap: var(--space-3); border-top: 1px solid var(--color-border); }
.chat_actions .chat_input_area { border-top: none; }
.chat_generate_btn { margin: 0 var(--space-4) var(--space-4); }
.chat_generate_btn.htmx-request { pointer-events: none; opacity: 0.7; }

/* Summary Panel */
.summary_panel { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: var(--space-5); position: sticky; top: var(--space-8); }
.summary_title { font-family: var(--font-heading); font-size: var(--text-sm); font-weight: 600; margin-bottom: var(--space-4); padding-bottom: var(--space-3); border-bottom: 1px solid var(--color-border); }
.summary_list { display: flex; flex-direction: column; gap: var(--space-3); }
.summary_item { display: flex; justify-content: space-between; gap: var(--space-3); font-size: var(--text-sm); }
.summary_label { color: var(--color-fg-muted); flex-shrink: 0; }
.summary_value { text-align: right; word-break: break-word; }
.summary_value.is_empty { color: var(--color-fg-muted); font-style: italic; }
.summary_actions { margin-top: var(--space-5); padding-top: var(--space-4); border-top: 1px solid var(--color-border); }

/* Output Cards */
.output_list { display: flex; flex-direction: column; gap: var(--space-4); }
.output_card { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg); overflow: hidden; transition: box-shadow var(--duration-fast); }
.output_card:hover { box-shadow: var(--shadow-md); }
.output_card_header { display: flex; align-items: center; justify-content: space-between; padding: var(--space-3) var(--space-4); background: var(--color-bg); border-bottom: 1px solid var(--color-border); }
.output_card_title { font-family: var(--font-heading); font-size: var(--text-sm); font-weight: 600; }
.output_card_actions { display: flex; gap: var(--space-2); }
.output_card_body { padding: var(--space-4); }
.output_body_text { font-family: var(--font-mono); font-size: var(--text-xs); line-height: 1.7; white-space: pre-wrap; word-break: break-word; color: var(--color-fg-secondary); }

/* Empty State */
.empty_state { display: flex; flex-direction: column; align-items: center; justify-content: center; padding: var(--space-12) var(--space-6); text-align: center; }
.empty_icon { width: 64px; height: 64px; margin-bottom: var(--space-5); color: var(--color-fg-muted); opacity: 0.5; }
.empty_title { font-family: var(--font-heading); font-size: var(--text-lg); font-weight: 700; margin-bottom: var(--space-2); }
.empty_description { color: var(--color-fg-muted); font-size: var(--text-sm); margin-bottom: var(--space-5); max-width: 320px; }

/* Skeleton */
.skeleton { background: linear-gradient(90deg, var(--color-border) 0%, var(--color-bg) 50%, var(--color-border) 100%); background-size: 200% 100%; animation: shimmer 1.5s ease-in-out infinite; border-radius: var(--radius-sm); }
@keyframes shimmer { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }
.skeleton_text { height: 1em; margin-bottom: var(--space-2); }
.skeleton_text:last-child { width: 60%; }

.loading_panel { overflow: hidden; }
.loading_header { display: flex; align-items: center; gap: var(--space-4); padding: var(--space-4); border-bottom: 1px solid var(--color-border); }
.loading_spinner {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  animation: spin 1s linear infinite;
  will-change: transform;
}
.loading_spinner_svg { width: 100%; height: 100%; color: var(--color-accent); }
.loading_title { font-family: var(--font-heading); font-weight: 600; font-size: var(--text-sm); }
.loading_hint { margin-top: var(--space-1); font-size: var(--text-xs); color: var(--color-fg-muted); }
.loading_skeleton { padding: var(--space-5); display: flex; flex-direction: column; gap: var(--space-3); }

/* Toast */
.toast_container { position: fixed; bottom: var(--space-6); right: var(--space-6); z-index: 1000; display: flex; flex-direction: column; gap: var(--space-3); pointer-events: none; }
.toast { display: flex; align-items: center; gap: var(--space-3); padding: var(--space-3) var(--space-4); background: var(--color-fg); color: var(--color-surface); border-radius: var(--radius-md); box-shadow: var(--shadow-lg); font-size: var(--text-sm); pointer-events: auto; animation: toast_in var(--duration-slow) var(--ease-out) forwards; max-width: 360px; }
.toast.is_leaving { animation: toast_out var(--duration-normal) var(--ease-out) forwards; }
@keyframes toast_in { from { opacity: 0; transform: translateY(16px) scale(0.96); } to { opacity: 1; transform: translateY(0) scale(1); } }
@keyframes toast_out { from { opacity: 1; } to { opacity: 0; transform: translateY(-8px) scale(0.96); } }
.toast_icon { width: 18px; height: 18px; flex-shrink: 0; }
.toast_message { flex: 1; line-height: 1.4; }
.toast_close { background: none; border: none; padding: var(--space-1); color: inherit; opacity: 0.6; cursor: pointer; }
.toast_close:hover { opacity: 1; }
.toast_close svg { width: 14px; height: 14px; }
.toast_success { background: var(--color-success); }
.toast_error { background: var(--color-error); }
.toast_info { background: var(--color-fg); }

/* Badge */
.badge { display: inline-flex; align-items: center; padding: 2px var(--space-2); border-radius: var(--radius-sm); font-size: var(--text-xs); font-weight: 500; }
.badge_default { background: var(--color-bg); color: var(--color-fg-secondary); }
.badge_success { background: rgba(22, 163, 74, 0.1); color: var(--color-success); }
.badge_error { background: rgba(220, 38, 38, 0.1); color: var(--color-error); }

/* Details */
details { border: 1px solid var(--color-border); border-radius: var(--radius-md); overflow: hidden; }
details summary { padding: var(--space-3) var(--space-4); background: var(--color-bg); cursor: pointer; font-size: var(--text-sm); font-weight: 500; list-style: none; display: flex; align-items: center; gap: var(--space-2); transition: background-color var(--duration-fast); }
details summary::-webkit-details-marker { display: none; }
details summary::before { content: ""; width: 0; height: 0; border-left: 5px solid var(--color-fg-muted); border-top: 4px solid transparent; border-bottom: 4px solid transparent; transition: transform var(--duration-fast); }
details[open] summary::before { transform: rotate(90deg); }
details summary:hover { background: var(--color-border); }
details > :not(summary) { padding: var(--space-4); border-top: 1px solid var(--color-border); }

/* Misc */
.hint { color: var(--color-fg-muted); font-size: var(--text-xs); font-weight: 500; }
.hint_inline { display: inline; }
.pre { font-family: var(--font-mono); font-size: var(--text-xs); line-height: 1.7; white-space: pre-wrap; word-break: break-word; background: var(--color-bg); padding: var(--space-4); border-radius: var(--radius-md); overflow-x: auto; }
.is_muted { color: var(--color-fg-muted); }

.alert { display: flex; gap: var(--space-3); padding: var(--space-4); border-radius: var(--radius-md); font-size: var(--text-sm); }
.alert_info { background: var(--color-bg); border: 1px solid var(--color-border); }
.alert_error { background: rgba(220, 38, 38, 0.05); border: 1px solid rgba(220, 38, 38, 0.2); color: var(--color-error); }
.alert_success { background: rgba(22, 163, 74, 0.05); border: 1px solid rgba(22, 163, 74, 0.2); color: var(--color-success); }

.version_list { display: flex; flex-direction: column; gap: var(--space-3); }
.version_item { display: grid; grid-template-columns: 140px 1fr; gap: var(--space-4); padding: var(--space-3); background: var(--color-bg); border-radius: var(--radius-md); }
.version_date { font-size: var(--text-xs); color: var(--color-fg-muted); font-variant-numeric: tabular-nums; }
.version_body { font-size: var(--text-xs); color: var(--color-fg-secondary); white-space: pre-wrap; word-break: break-word; }

.skip_link { position: absolute; top: -100%; left: var(--space-4); padding: var(--space-2) var(--space-4); background: var(--color-accent); color: white; border-radius: var(--radius-md); z-index: 1001; font-size: var(--text-sm); font-weight: 500; transition: top var(--duration-fast); }
.skip_link:focus { top: var(--space-4); }

/* Responsive */
@media (max-width: 1024px) {
  .two_col { grid-template-columns: 1fr; }
  .summary_panel { position: static; }
}

@media (max-width: 768px) {
  .app_shell { grid-template-columns: 1fr; }
  .sidebar { position: fixed; left: 0; top: 0; z-index: 200; width: min(280px, 85vw); transform: translateX(-100%); transition: transform var(--duration-slow); box-shadow: var(--shadow-lg); border-right: none; }
  .app_shell:not(.sidebar_collapsed) .sidebar { transform: translateX(0); }
  .app_shell.sidebar_collapsed { grid-template-columns: 1fr; }
  .app_shell.sidebar_collapsed .sidebar { width: min(280px, 85vw); padding: var(--space-6); }
  .app_shell.sidebar_collapsed .main { padding-left: var(--space-4); }
  .sidebar_open { display: block; }
  .app_shell:not(.sidebar_collapsed) .sidebar_open { display: none; }
  .app_shell:not(.sidebar_collapsed)::before { content: ""; position: fixed; inset: 0; background: rgba(0, 0, 0, 0.3); z-index: 199; }
  .sidebar_brand { padding-bottom: var(--space-4); margin-bottom: var(--space-4); }
  .sidebar_section:first-of-type { margin-top: 0; }
  .sidebar_nav { flex-direction: row; flex-wrap: wrap; }
  .sidebar_footer { display: none; }
  .main { padding: var(--space-4); }
  .grid_cards { grid-template-columns: 1fr; }
  .form_row { grid-template-columns: 1fr; gap: var(--space-2); }
  .form_label { padding-top: 0; }
  .table_head, .table_row { grid-template-columns: 1fr; gap: var(--space-2); }
  .table_head > *:not(:first-child), .table_row > *:not(:first-child) { display: none; }
  .btn { min-height: 44px; min-width: 44px; }
  .nav_item { min-height: 44px; }
  .input, .textarea, .select { min-height: 44px; font-size: 16px; }
  .chat_container { height: 400px; }
}

/* Admin */
.main_body_admin { max-width: 100%; }
.admin_page { display: flex; flex-direction: column; gap: var(--space-5); }
.admin_shell { grid-template-columns: var(--sidebar-width) 1fr; }
.admin_shell .main { background: var(--color-bg); padding: var(--space-8); }
.admin_shell .sidebar { position: sticky; top: 0; height: 100dvh; display: flex; flex-direction: column; background: var(--color-surface); border-right: 1px solid var(--color-border); padding: var(--space-6); }
.admin_shell .sidebar_open,
.admin_shell .sidebar_toggle { display: none !important; }
.admin_shell.sidebar_collapsed { grid-template-columns: var(--sidebar-width) 1fr; }
.admin_shell.sidebar_collapsed .sidebar { transform: none; width: var(--sidebar-width); padding: var(--space-6); }
.admin_shell.sidebar_collapsed .sidebar_title,
.admin_shell.sidebar_collapsed .sidebar_section,
.admin_shell.sidebar_collapsed .nav_label,
.admin_shell.sidebar_collapsed .sidebar_footer { display: block; }
.admin_shell.sidebar_collapsed::before { display: none; }

/* Admin page header */
.admin_page_header { display: flex; justify-content: space-between; align-items: center; gap: var(--space-4); }
.admin_page_title { font-size: 22px; font-weight: 700; }

/* Admin buttons */
.admin_button { background: #5b5ee5; color: #fff; border: none; border-radius: 999px; padding: 10px 20px; font-size: 14px; font-weight: 600; cursor: pointer; text-decoration: none; display: inline-flex; align-items: center; }
.admin_button:hover { opacity: 0.9; }
.admin_button_outline { background: #fff; color: var(--text); border: 1px solid #e5e7eb; }
.admin_btn { display: inline-flex; align-items: center; justify-content: center; padding: 7px 18px; border-radius: 8px; font-size: 13px; font-weight: 500; cursor: pointer; border: none; text-decoration: none; white-space: nowrap; }
.admin_btn_outline { background: #f3f4f6; color: var(--text); border: 1px solid #e5e7eb; }
.admin_btn_outline:hover { background: #e5e7eb; }
.admin_btn_danger { background: #ef4444; color: #fff; border-radius: 999px; }
.admin_btn_danger:hover { background: #dc2626; }

/* Admin notices */
.admin_notice { padding: var(--space-3); border-radius: 10px; font-size: 14px; }
.admin_notice_success { background: #ecfdf3; color: #0b5f2a; border: 1px solid #b7ebc7; }
.admin_notice_error { background: #fef2f2; color: #7f1d1d; border: 1px solid #fecaca; }
.admin_notice_detail { margin-top: var(--space-2); font-family: "IBM Plex Sans JP", sans-serif; font-size: 13px; }

/* Admin flat table */
.admin_table_wrap { background: #fff; border-radius: 14px; border: 1px solid #eef0f4; overflow: hidden; }
.admin_flat_table { width: 100%; border-collapse: collapse; font-size: 14px; table-layout: fixed; }
.admin_flat_table thead th { background: #fafafa; padding: 14px 24px; font-size: 13px; font-weight: 500; color: #6b7280; text-align: left; border-bottom: 1px solid #eef0f4; white-space: nowrap; }
.admin_flat_table tbody td { padding: 16px 24px; border-bottom: 1px solid #f3f4f6; vertical-align: middle; }
.admin_flat_table tbody tr:last-child td { border-bottom: none; }
.admin_flat_table tbody tr:hover { background: #fafbfc; }
.admin_sessions_user_cell { max-width: 0; }
.admin_sessions_user_text {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Admin tags & status */
.admin_tag { display: inline-flex; align-items: center; padding: 4px 12px; border-radius: 999px; font-size: 12px; font-weight: 500; }
.admin_tag_member { background: #e8f7ee; color: #15803d; }
.admin_tag_admin { background: #dbeafe; color: #1d4ed8; }
.admin_status { display: inline-flex; align-items: center; padding: 4px 12px; border-radius: 999px; font-size: 12px; font-weight: 500; }
.admin_status_active { background: #ecfdf3; color: #0b5f2a; }
.admin_status_suspended { background: #fff7ed; color: #9a3412; }
.admin_status_disabled { background: #fef2f2; color: #7f1d1d; }
.admin_actions { display: flex; align-items: center; gap: 8px; }
.admin_actions form { margin: 0; }
.admin_password { display: inline-flex; align-items: center; gap: 8px; }
.admin_password_mask.is_hidden { display: none; }
.admin_password_plain.is_hidden { display: none; }
.admin_btn_small { padding: 4px 10px; font-size: 12px; border-radius: 999px; }

/* Admin result badge */
.admin_result { display: inline-flex; align-items: center; padding: 2px 8px; border-radius: 999px; font-size: 12px; font-weight: 500; }
.admin_result_ok { background: #ecfdf3; color: #0b5f2a; }
.admin_result_ng { background: #fef2f2; color: #7f1d1d; }
.admin_ua_cell { max-width: 300px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--muted); font-size: 12px; }

/* Admin filter input */
.admin_filter_input { border: 1px solid #e5e7eb; border-radius: 10px; padding: 9px 14px; font-size: 14px; min-width: 200px; outline: none; }
.admin_filter_input:focus { border-color: #5b5ee5; box-shadow: 0 0 0 3px rgba(91, 94, 229, 0.1); }
.admin_filter_input::placeholder { color: #9ca3af; }

/* Admin month picker */
.admin_month_picker { border: 1px solid #e5e7eb; border-radius: 10px; padding: 9px 14px; font-size: 14px; outline: none; cursor: pointer; }
.admin_month_picker:focus { border-color: #5b5ee5; }

/* Admin stats cards */
.admin_stats_cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-4); }
.admin_stats_cards_single { grid-template-columns: minmax(260px, 340px); justify-content: flex-start; }
.admin_stat_card { background: #fff; border: 1px solid #eef0f4; border-radius: 16px; padding: 20px 24px; }
.admin_stat_card_accent { border: 1px solid #b9b7ff; box-shadow: 0 4px 16px rgba(91, 94, 229, 0.1); }
.admin_stat_card_title { font-size: 15px; font-weight: 600; margin-bottom: 16px; }
.admin_stat_card_metrics { display: flex; gap: 32px; }
.admin_stat_metric { display: flex; flex-direction: column; gap: 4px; }
.admin_stat_label { font-size: 13px; color: var(--muted); font-weight: 400; }
.admin_stat_value { font-size: 28px; font-weight: 700; line-height: 1.2; }
.admin_stats_table .admin_flat_table tbody td { vertical-align: top; }
.admin_month_list { display: flex; flex-wrap: wrap; gap: 8px; }
.admin_month_item { background: #f3f4f6; color: #374151; font-size: 12px; padding: 4px 10px; border-radius: 999px; }
.admin_month_empty { color: var(--muted); font-size: 12px; }

/* Admin forms & modals */
.admin_form { display: grid; gap: var(--space-3); max-width: 520px; }
.admin_field { display: grid; gap: var(--space-2); font-size: 14px; color: var(--muted); }
.admin_field input,
.admin_field textarea,
.admin_field select { border: 1px solid #cbd5e1; border-radius: 10px; padding: 10px 12px; font-size: 14px; background: #f9fafb; box-shadow: inset 0 0 0 1px #eef0f4; }
.admin_field input:focus,
.admin_field textarea:focus,
.admin_field select:focus { outline: none; border-color: #5b5ee5; box-shadow: 0 0 0 3px rgba(91, 94, 229, 0.15); background: #fff; }
.admin_field_help { font-size: 12px; color: var(--muted); }
.admin_modal { position: fixed; inset: 0; background: rgba(17, 24, 39, 0.45); display: none; align-items: center; justify-content: center; padding: 24px; z-index: 300; }
.admin_modal:target { display: flex; }
.admin_modal_card { width: min(520px, 94vw); background: #fff; border-radius: 18px; padding: var(--space-5); box-shadow: 0 20px 60px rgba(15, 23, 42, 0.3); display: grid; gap: var(--space-4); }
.admin_modal_header { display: flex; justify-content: space-between; align-items: center; }
.admin_modal_title { font-size: 18px; font-weight: 700; }
.admin_modal_sub { font-size: 12px; color: var(--muted); margin-top: 4px; }
.admin_modal_close { text-decoration: none; font-size: 20px; color: var(--muted); }
.admin_form_compact { margin-top: var(--space-3); }

@media (max-width: 1200px) {
  .admin_stats_cards { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .admin_stats_cards { grid-template-columns: 1fr; }
}

/* Auth */
.auth_page {
  display: grid;
  justify-items: center;
  align-content: center;
  gap: var(--space-5);
  min-height: calc(100vh - 120px);
  padding: var(--space-6);
}
.auth_brand_block {
  width: min(420px, 100%);
  text-align: center;
}
.auth_brand_kicker {
  font-family: var(--font-heading);
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 0.22em;
}
.auth_brand_name {
  font-family: var(--font-heading);
  font-size: clamp(30px, 5vw, 40px);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: 0.02em;
  margin-top: 8px;
}
.auth_brand_rule {
  width: 92px;
  height: 2px;
  margin: 14px auto 0;
  border-radius: 999px;
  background: linear-gradient(90deg, #111827 0%, #6b7280 100%);
  opacity: 0.75;
}
.auth_card { width: min(420px, 100%); background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: var(--space-6); box-shadow: var(--shadow-lg); display: grid; gap: var(--space-3); }
.auth_title { font-size: 22px; font-weight: 700; margin: 0 0 var(--space-2); text-align: center; }
.auth_error { background: #fef2f2; border: 1px solid #fecaca; color: #7f1d1d; padding: var(--space-3); border-radius: 10px; margin-bottom: var(--space-4); font-size: 13px; }
.auth_form { display: grid; gap: var(--space-3); }
.auth_field { display: grid; gap: 6px; font-size: 13px; color: var(--muted); }
.auth_field input { border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; font-size: 14px; }
.auth_button {
  width: 100%;
  min-height: 46px;
  margin-top: var(--space-2);
  border: 1px solid #0b0b0c;
  border-radius: 12px;
  background: #0b0b0c;
  color: #ffffff;
  padding: 11px 16px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: background-color 0.15s ease, border-color 0.15s ease, transform 0.15s ease;
}
.auth_button:hover { background: #1f2937; border-color: #1f2937; }
.auth_button:focus-visible { outline: 3px solid rgba(30, 64, 175, 0.25); outline-offset: 1px; }
.auth_button:active { transform: translateY(1px); }
.auth_button:disabled { opacity: 0.5; cursor: not-allowed; }

/* Utilities */
.sr_only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.text_center { text-align: center; }
.text_right { text-align: right; }
.flex_between { display: flex; justify-content: space-between; align-items: center; }
.gap_2 { gap: var(--space-2); }
.gap_3 { gap: var(--space-3); }
.gap_4 { gap: var(--space-4); }
.mt_4 { margin-top: var(--space-4); }
.mt_5 { margin-top: var(--space-5); }
.mb_4 { margin-bottom: var(--space-4); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}