/* ==========================================================================
   Project Dashboard Stylesheet | とある夜間部PT学生の学習帖
   Design: High-End Editorial Dark & Warm Minimalist Interface
   ========================================================================== */

:root {
  /* Dark Mode Defaults */
  --bg-primary: #0f1115;
  --bg-secondary: #171a21;
  --bg-card: #1c202a;
  --bg-card-hover: #222733;
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-prominent: rgba(255, 255, 255, 0.16);
  --text-primary: #f0f2f5;
  --text-secondary: #9aa1b2;
  --text-muted: #656c7d;
  
  --accent-gold: #c5a059;
  --accent-gold-soft: rgba(197, 160, 89, 0.15);
  --accent-green: #06c755;
  --accent-green-soft: rgba(6, 199, 85, 0.12);
  --accent-blue: #3b82f6;
  --accent-blue-soft: rgba(59, 130, 246, 0.12);
  --accent-crimson: #ef4444;

  --sidebar-width: 270px;
  --header-height: 64px;
  
  --font-serif: 'Shippori Mincho', 'Hiragino Mincho ProN', serif;
  --font-sans: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-display: 'Cinzel', serif;
  --font-mono: 'JetBrains Mono', monospace;
  
  --transition-smooth: all 0.24s cubic-bezier(0.16, 1, 0.3, 1);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.25);
  --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.4);
}

body.theme-warm {
  --bg-primary: #f8f6f0;
  --bg-secondary: #efece4;
  --bg-card: #ffffff;
  --bg-card-hover: #faf8f5;
  --border-subtle: rgba(0, 0, 0, 0.07);
  --border-prominent: rgba(0, 0, 0, 0.15);
  --text-primary: #1e1e1e;
  --text-secondary: #5c5852;
  --text-muted: #8c877e;
  
  --accent-gold: #9e7328;
  --accent-gold-soft: rgba(158, 115, 40, 0.12);
  --accent-green: #05963f;
  --accent-green-soft: rgba(5, 150, 63, 0.1);
  --accent-blue: #2563eb;
  --accent-blue-soft: rgba(37, 99, 235, 0.1);

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.08);
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

/* Shell Layout */
.dashboard-shell {
  display: flex;
  min-height: 100vh;
}

/* Sidebar */
.sidebar {
  width: var(--sidebar-width);
  background-color: var(--bg-secondary);
  border-right: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 100;
}

.brand-zone {
  padding: 24px 20px;
  border-bottom: 1px solid var(--border-subtle);
}

.brand-badge {
  font-family: var(--font-display);
  font-size: 0.65rem;
  letter-spacing: 0.16em;
  color: var(--accent-gold);
  margin-bottom: 4px;
}

.brand-title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.brand-sub {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 2px;
}

/* Nav Menu */
.nav-menu {
  flex: 1;
  padding: 16px 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  overflow-y: auto;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border-radius: 8px;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 0.86rem;
  font-weight: 500;
  cursor: pointer;
  text-align: left;
  transition: var(--transition-smooth);
}

.nav-item:hover {
  background-color: var(--bg-card);
  color: var(--text-primary);
}

.nav-item.active {
  background-color: var(--accent-gold-soft);
  color: var(--accent-gold);
  font-weight: 600;
  border-left: 3px solid var(--accent-gold);
}

.nav-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

/* Sidebar Footer */
.sidebar-footer {
  padding: 16px 16px 20px;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.cost-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  background-color: var(--bg-card);
  padding: 8px 12px;
  border-radius: 6px;
  font-size: 0.78rem;
  border: 1px solid var(--border-subtle);
}

.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--accent-green);
  box-shadow: 0 0 8px var(--accent-green);
  animation: pulseAnim 2s infinite;
}

@keyframes pulseAnim {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.9); }
}

.portal-link-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px;
  border-radius: 6px;
  background-color: var(--bg-primary);
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.82rem;
  border: 1px solid var(--border-subtle);
  transition: var(--transition-smooth);
}

.portal-link-btn:hover {
  color: var(--text-primary);
  border-color: var(--border-prominent);
}

.portal-link-btn svg {
  width: 14px;
  height: 14px;
}

/* Main Content */
.main-content {
  margin-left: var(--sidebar-width);
  flex: 1;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-color: var(--bg-primary);
}

/* Top Header */
.top-header {
  height: var(--header-height);
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border-subtle);
  padding: 0 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 90;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.workspace-chip {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 4px 8px;
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 4px;
  color: var(--accent-gold);
}

.operator-badge {
  font-size: 0.82rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.theme-toggle {
  display: flex;
  align-items: center;
  gap: 6px;
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  padding: 6px 12px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.8rem;
  transition: var(--transition-smooth);
}

.theme-toggle:hover {
  color: var(--text-primary);
  border-color: var(--border-prominent);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: 6px;
  cursor: pointer;
  transition: var(--transition-smooth);
  border: 1px solid transparent;
  white-space: nowrap;
}

.btn-sm {
  padding: 6px 12px;
  font-size: 0.8rem;
}

.btn-xs {
  padding: 4px 8px;
  font-size: 0.75rem;
}

.btn-primary {
  background-color: var(--accent-gold);
  color: #111111;
  font-weight: 600;
}

.btn-primary:hover {
  filter: brightness(1.1);
  transform: translateY(-1px);
}

.btn-secondary {
  background-color: var(--bg-card);
  border-color: var(--border-prominent);
  color: var(--text-primary);
}

.btn-secondary:hover {
  background-color: var(--bg-card-hover);
}

.btn-subtle {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
}

.btn-subtle:hover {
  color: var(--text-primary);
  background-color: var(--bg-card);
}

/* Tab Panes */
.tab-pane {
  display: none;
  padding: 32px;
  animation: fadeIn 0.25s ease-out;
}

.tab-pane.active {
  display: block;
}

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

.pane-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 28px;
  gap: 20px;
}

.pane-title {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.pane-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  margin-top: 4px;
}

.stats-pills {
  display: flex;
  gap: 12px;
}

.stat-pill {
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 0.8rem;
}

.stat-pill .lbl {
  color: var(--text-muted);
}

.stat-pill .val {
  color: var(--accent-gold);
  font-weight: 600;
  margin-left: 4px;
}

/* Cards */
.card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 24px;
  box-shadow: var(--shadow-sm);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
}

.card-title {
  font-size: 1.05rem;
  font-weight: 600;
}

/* Phase Grid */
.phase-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  margin-bottom: 28px;
}

.phase-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 20px;
  position: relative;
  transition: var(--transition-smooth);
}

.phase-card.current {
  border-color: var(--accent-gold);
  box-shadow: 0 0 0 1px var(--accent-gold), var(--shadow-sm);
}

.phase-badge {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--accent-gold);
  margin-bottom: 8px;
  font-weight: 600;
}

.phase-name {
  font-size: 1.05rem;
  margin-bottom: 8px;
  font-weight: 600;
}

.phase-goal {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 16px;
  min-height: 50px;
}

.phase-progress-bar {
  height: 6px;
  background-color: var(--bg-secondary);
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: 8px;
}

.phase-progress-bar .fill {
  height: 100%;
  background-color: var(--accent-gold);
  border-radius: 3px;
}

.phase-status {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Split Layout */
.split-layout {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 24px;
}

.routine-meta-tip {
  background-color: var(--accent-gold-soft);
  border: 1px solid var(--accent-gold);
  color: var(--text-primary);
  font-size: 0.8rem;
  padding: 10px 14px;
  border-radius: 8px;
  margin-bottom: 16px;
}

.task-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.task-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  background-color: var(--bg-secondary);
  border-radius: 8px;
  border: 1px solid var(--border-subtle);
  transition: var(--transition-smooth);
}

.task-item:hover {
  border-color: var(--border-prominent);
}

.task-item.completed {
  opacity: 0.6;
}

.task-item.completed .task-label {
  text-decoration: line-through;
}

.task-checkbox {
  width: 18px;
  height: 18px;
  accent-color: var(--accent-gold);
  cursor: pointer;
}

.task-label {
  flex: 1;
  font-size: 0.88rem;
}

.task-tag {
  font-size: 0.72rem;
  padding: 2px 8px;
  border-radius: 4px;
  background-color: var(--bg-card);
  color: var(--text-muted);
  border: 1px solid var(--border-subtle);
}

.task-delete-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 0.9rem;
  padding: 2px 6px;
}

.task-delete-btn:hover {
  color: var(--accent-crimson);
}

/* KPI Overview */
.refresh-indicator {
  font-size: 0.75rem;
  color: var(--accent-green);
}

.kpi-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.kpi-box {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  padding: 16px;
}

.kpi-label {
  font-size: 0.78rem;
  color: var(--text-secondary);
}

.kpi-value-wrap {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin: 6px 0;
}

.kpi-val {
  font-family: var(--font-mono);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--accent-gold);
}

.kpi-unit {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.kpi-target {
  font-size: 0.74rem;
  color: var(--text-muted);
}

/* Curation Toolbar */
.filter-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  padding: 14px 20px;
  border-radius: 10px;
  margin-bottom: 24px;
}

.filter-group {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.select-ctrl, .input-ctrl, .textarea-ctrl {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  padding: 8px 12px;
  border-radius: 6px;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  transition: var(--transition-smooth);
}

.select-ctrl:focus, .input-ctrl:focus, .textarea-ctrl:focus {
  outline: none;
  border-color: var(--accent-gold);
}

.search-group {
  flex: 1;
  min-width: 200px;
}

.search-input {
  width: 100%;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  padding: 8px 14px;
  border-radius: 6px;
  font-size: 0.85rem;
}

/* Curation Grid */
.curation-list-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 20px;
}

.curation-item-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  transition: var(--transition-smooth);
}

.curation-item-card:hover {
  border-color: var(--border-prominent);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.curation-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}

.curation-cat-badge {
  font-size: 0.7rem;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: 4px;
}

.cat-anatomy { background-color: var(--accent-gold-soft); color: var(--accent-gold); }
.cat-physiology { background-color: var(--accent-green-soft); color: var(--accent-green); }
.cat-kinesiology { background-color: var(--accent-blue-soft); color: var(--accent-blue); }

.curation-stars {
  color: var(--accent-gold);
  font-size: 0.85rem;
}

.curation-unit {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.curation-video-title {
  font-size: 0.88rem;
  color: var(--text-secondary);
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.curation-teacher-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.curation-summary-box {
  background-color: var(--bg-secondary);
  border-radius: 6px;
  padding: 10px;
  font-size: 0.8rem;
  line-height: 1.5;
  color: var(--text-secondary);
  margin-bottom: 14px;
  flex: 1;
}

.curation-tags-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 14px;
}

.curation-tag {
  font-size: 0.7rem;
  background-color: var(--bg-secondary);
  color: var(--text-muted);
  padding: 2px 6px;
  border-radius: 4px;
}

.curation-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 12px;
  border-top: 1px solid var(--border-subtle);
}

/* Quiz Studio Layout */
.quiz-studio-layout {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 24px;
}

.form-row {
  display: flex;
  gap: 16px;
  margin-bottom: 14px;
}

.flex-1 { flex: 1; }
.flex-2 { flex: 2; }

.form-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
}

.form-field label {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.quiz-choices-wrap {
  margin-bottom: 16px;
}

.quiz-choices-wrap label {
  display: block;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.choice-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}

.choice-num {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 600;
  width: 22px;
  text-align: center;
  color: var(--text-muted);
}

.choice-row input[type="text"] {
  flex: 1;
}

.choice-row input[type="radio"] {
  width: 18px;
  height: 18px;
  accent-color: var(--accent-green);
  cursor: pointer;
}

.editor-actions {
  display: flex;
  gap: 12px;
  margin-top: 20px;
}

.quiz-cards-container {
  display: flex;
  flex-direction: column;
  gap: 14px;
  max-height: 700px;
  overflow-y: auto;
  padding-right: 6px;
}

.quiz-card-item {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 16px;
}

.quiz-card-header {
  display: flex;
  justify-content: space-between;
  margin-bottom: 8px;
}

.quiz-card-q {
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 10px;
}

.quiz-preview-choices {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-bottom: 10px;
}

.quiz-preview-choices .correct {
  color: var(--accent-green);
  font-weight: 600;
}

.quiz-card-exp {
  font-size: 0.78rem;
  background-color: var(--bg-card);
  padding: 8px 10px;
  border-radius: 4px;
  color: var(--text-muted);
}

/* Multi-channel Generator */
.channel-generator-box {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.generator-source-bar {
  display: flex;
  align-items: center;
  gap: 16px;
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  padding: 16px 24px;
  border-radius: 12px;
}

.generator-source-bar label {
  font-size: 0.9rem;
  font-weight: 600;
}

.select-lg {
  flex: 1;
  font-size: 0.95rem;
  padding: 10px 14px;
}

.multi-channel-tabs-container {
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  overflow: hidden;
}

.channel-subtabs {
  display: flex;
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border-subtle);
}

.channel-subtab {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 16px 20px;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.channel-subtab:hover {
  background-color: var(--bg-card);
  color: var(--text-primary);
}

.channel-subtab.active {
  background-color: var(--bg-card);
  color: var(--text-primary);
  font-weight: 600;
  border-bottom: 2px solid var(--accent-gold);
}

.ch-badge {
  font-size: 0.7rem;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 4px;
}

.ch-web { background-color: var(--accent-blue-soft); color: var(--accent-blue); }
.ch-note { background-color: var(--accent-green-soft); color: var(--accent-green); }
.ch-sns { background-color: var(--accent-gold-soft); color: var(--accent-gold); }

.channel-tab-content {
  padding: 24px;
}

.channel-pane {
  display: none;
}

.channel-pane.active {
  display: block;
}

.output-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.output-hint {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.output-textarea {
  width: 100%;
  height: 440px;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1.6;
  padding: 16px;
  border-radius: 8px;
  resize: vertical;
}

/* Funnel Stages */
.funnel-container {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.funnel-stage {
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  padding: 20px 24px;
  border-left: 4px solid var(--accent-gold);
  transition: var(--transition-smooth);
}

.funnel-stage:hover {
  border-color: var(--border-prominent);
  transform: translateX(4px);
}

.stage-a1 { border-left-color: #3b82f6; }
.stage-a2 { border-left-color: #06c755; }
.stage-r1 { border-left-color: #f59e0b; }
.stage-r2 { border-left-color: #8b5cf6; }
.stage-rev { border-left-color: #ef4444; }

.stage-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
}

.stage-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 4px;
  background-color: var(--bg-secondary);
}

.stage-header h3 {
  font-size: 1.05rem;
  font-weight: 600;
}

.stage-body {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  font-size: 0.86rem;
  color: var(--text-secondary);
}

.stage-metric {
  background-color: var(--bg-secondary);
  padding: 6px 14px;
  border-radius: 6px;
  font-size: 0.82rem;
  white-space: nowrap;
  border: 1px solid var(--border-subtle);
}

/* Prompt Studio */
.prompt-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 20px;
}

.prompt-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 22px;
  display: flex;
  flex-direction: column;
}

.prompt-header {
  margin-bottom: 8px;
}

.prompt-badge {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--accent-gold);
  background-color: var(--accent-gold-soft);
  padding: 2px 8px;
  border-radius: 4px;
  display: inline-block;
  margin-bottom: 6px;
}

.prompt-header h3 {
  font-size: 1rem;
  font-weight: 600;
}

.prompt-desc {
  font-size: 0.82rem;
  color: var(--text-secondary);
  margin-bottom: 14px;
}

.prompt-box {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 12px 14px;
  font-size: 0.8rem;
  color: var(--text-primary);
  line-height: 1.5;
  margin-bottom: 16px;
  flex: 1;
}

/* AI Studio Toolbar & Actions */
.ai-studio-toolbar {
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  padding: 16px 20px;
  margin-bottom: 24px;
}

.ai-unit-selector-bar {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.ai-unit-selector-bar label {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-primary);
}

.ai-status-indicator {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent-green);
  background-color: var(--accent-green-soft);
  padding: 4px 10px;
  border-radius: 6px;
  border: 1px solid rgba(6, 199, 85, 0.2);
}

.ai-exec-badge {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 4px;
  margin-left: 8px;
  transition: var(--transition-smooth);
}

.badge-idle {
  background-color: var(--bg-secondary);
  color: var(--text-muted);
}

.badge-running {
  background-color: rgba(245, 158, 11, 0.2);
  color: #f59e0b;
  animation: pulseAnim 1.2s infinite;
}

.badge-success {
  background-color: var(--accent-green-soft);
  color: var(--accent-green);
}

.badge-error {
  background-color: rgba(239, 68, 68, 0.2);
  color: var(--accent-crimson);
}

.ai-card-actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: auto;
}

.input-sm {
  font-size: 0.8rem;
  padding: 6px 10px;
}

.ai-btn-row {
  display: flex;
  gap: 8px;
}

.ai-result-preview {
  margin-top: 14px;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-prominent);
  border-radius: 8px;
  padding: 12px;
  animation: fadeIn 0.2s ease;
}

.preview-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.saved-path-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent-gold);
}

.preview-textarea {
  width: 100%;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  line-height: 1.5;
  padding: 8px;
  resize: vertical;
}

/* Request Queue Table */
.request-queue-container {
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  overflow: hidden;
}

.queue-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

.queue-table th {
  background-color: var(--bg-secondary);
  padding: 12px 18px;
  text-align: left;
  font-weight: 600;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-subtle);
}

.queue-table td {
  padding: 14px 18px;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-secondary);
}

.queue-table tr:hover td {
  background-color: var(--bg-card-hover);
}

.status-badge {
  font-size: 0.72rem;
  padding: 3px 8px;
  border-radius: 4px;
  font-weight: 600;
}

.status-pending { background-color: rgba(245, 158, 11, 0.15); color: #f59e0b; }
.status-done { background-color: var(--accent-green-soft); color: var(--accent-green); }

/* Infra Grid */
.infra-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.infra-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 14px;
}

.infra-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background-color: var(--bg-secondary);
  border-radius: 8px;
  font-size: 0.85rem;
  border: 1px solid var(--border-subtle);
}

.cost-free {
  color: var(--accent-green);
  font-weight: 600;
}

.code-preview-wrap {
  margin: 16px 0;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 14px;
  max-height: 280px;
  overflow-y: auto;
}

.code-preview-wrap code {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-secondary);
  white-space: pre-wrap;
}

.sync-actions {
  display: flex;
  gap: 12px;
}

/* Modal */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-backdrop.open {
  display: flex;
}

.modal-box {
  background-color: var(--bg-card);
  border: 1px solid var(--border-prominent);
  border-radius: 14px;
  width: 100%;
  max-width: 600px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  animation: modalScale 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalScale {
  from { opacity: 0; transform: scale(0.96); }
  to { opacity: 1; transform: scale(1); }
}

.modal-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-header h3 {
  font-family: var(--font-serif);
  font-size: 1.15rem;
}

.modal-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--text-muted);
  cursor: pointer;
}

.modal-body {
  padding: 24px;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  margin-top: 24px;
}

/* Responsive */
@media (max-width: 1024px) {
  .split-layout, .quiz-studio-layout, .infra-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .dashboard-shell {
    flex-direction: column;
  }
  .sidebar {
    position: relative;
    width: 100%;
    border-right: none;
    border-bottom: 1px solid var(--border-subtle);
  }
  .main-content {
    margin-left: 0;
  }
  .tab-pane {
    padding: 20px;
  }
  .filter-toolbar {
    flex-direction: column;
    align-items: stretch;
  }
}