/* =====================================================
   ENHANCEMENTS.CSS
   Dark Mode, Quiz Mode, ARM Builder, Activity Log,
   What-If Estimator, New Panels, Animations
   Author: Adewale Adeagbo | GitHub: cssadewale
   ===================================================== */

/* ===================================================
   1. DARK MODE — Full portal dark theme
   =================================================== */

[data-theme="dark"] {
  --azure-blue: #4da3ff;
  --azure-dark: #2b88d8;
  --topbar-bg: #1b1b1c;
  --sidebar-bg: #111111;
  --sidebar-hover: #2a2a2b;
  --main-bg: #1e1e1f;
  --card-bg: #252526;
  --card-border: #3a3a3b;
  --text-primary: #e8e8e8;
  --text-secondary: #b0b0b0;
  --text-muted: #777;
  --success: #4ec9b0;
  --danger: #f48771;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.4);
  --shadow-md: 0 2px 8px rgba(0,0,0,0.5);
  --shadow-lg: 0 4px 16px rgba(0,0,0,0.6);
}

[data-theme="dark"] body { background: var(--main-bg); color: var(--text-primary); }
[data-theme="dark"] .topbar { background: #1b1b1c; border-bottom: 1px solid #333; }
[data-theme="dark"] .topbar-search { background: rgba(255,255,255,0.08); }
[data-theme="dark"] .topbar-search:focus-within { background: #2d2d2e; }
[data-theme="dark"] .topbar-search:focus-within input { color: #e8e8e8; }
[data-theme="dark"] .portal-title { color: #e8e8e8; }
[data-theme="dark"] .card { background: var(--card-bg); border-color: var(--card-border); }
[data-theme="dark"] .card-header { background: #2d2d2e; border-color: var(--card-border); }
[data-theme="dark"] .data-table th { background: #2d2d2e; color: #b0b0b0; border-color: var(--card-border); }
[data-theme="dark"] .data-table td { border-color: #2d2d2e; color: var(--text-primary); }
[data-theme="dark"] .data-table tr:hover td { background: #2d2d2e; }
[data-theme="dark"] .form-control { background: #2d2d2e; border-color: #555; color: #e8e8e8; }
[data-theme="dark"] .form-control:focus { border-color: var(--azure-blue); }
[data-theme="dark"] .info-box { background: #1a3a5c; border-color: #2d5a8e; color: #90c8f0; }
[data-theme="dark"] .info-box.warning { background: #3a2400; border-color: #8a4a00; color: #f0c060; }
[data-theme="dark"] .info-box.success { background: #0a2a1a; border-color: #1a5a3a; color: #6fd8a0; }
[data-theme="dark"] .tab-bar { border-color: var(--card-border); }
[data-theme="dark"] .tab-item { color: var(--text-muted); }
[data-theme="dark"] .tab-item:hover { background: #2d2d2e; color: #e8e8e8; }
[data-theme="dark"] .metric-card { background: #252526; border-color: #3a3a3b; }
[data-theme="dark"] .metric-value { color: #e8e8e8; }
[data-theme="dark"] .service-card { background: #252526; border-color: #3a3a3b; }
[data-theme="dark"] .service-card:hover { border-color: var(--azure-blue); }
[data-theme="dark"] .quick-action-btn { background: #252526; border-color: #3a3a3b; color: #e8e8e8; }
[data-theme="dark"] .quick-action-btn:hover { background: #2d2d2e; border-color: var(--azure-blue); }
[data-theme="dark"] .vm-card { background: #252526; border-color: #3a3a3b; }
[data-theme="dark"] .vm-actions { background: #2d2d2e; border-color: #3a3a3b; }
[data-theme="dark"] .search-results { background: #252526; border-color: #3a3a3b; }
[data-theme="dark"] .search-result-item:hover { background: #2d2d2e; }
[data-theme="dark"] .search-result-name { color: #e8e8e8; }
[data-theme="dark"] .blob-item:hover { background: #2d2d2e; }
[data-theme="dark"] .recent-item { border-color: #3a3a3b; }
[data-theme="dark"] .modal { background: #252526; }
[data-theme="dark"] .modal-header { background: #2d2d2e; }
[data-theme="dark"] .modal-footer { background: #252526; border-color: #3a3a3b; }
[data-theme="dark"] .btn-secondary { background: #2d2d2e; color: var(--azure-blue); border-color: var(--azure-blue); }
[data-theme="dark"] .btn-secondary:hover { background: #1a3a5c; }
[data-theme="dark"] .btn-ghost { color: var(--azure-blue); }
[data-theme="dark"] .btn-ghost:hover { background: #1a3a5c; }
[data-theme="dark"] .dashboard-welcome { background: linear-gradient(135deg, #005a9e 0%, #003d6b 50%, #002147 100%); }
[data-theme="dark"] .progress-bar { background: #3a3a3b; }
[data-theme="dark"] .topology-container { background: #1e1e1f; border-color: #3a3a3b; }
[data-theme="dark"] .topology-node-icon { background: #252526; border-color: var(--azure-blue); }
[data-theme="dark"] .notification-panel,
[data-theme="dark"] .learning-panel,
[data-theme="dark"] .activity-panel,
[data-theme="dark"] .whatif-panel { background: #252526; border-color: #3a3a3b; }
[data-theme="dark"] .notif-header { border-color: #3a3a3b; }
[data-theme="dark"] .notif-item { background: #2d2d2e; }
[data-theme="dark"] .learning-module { border-color: #3a3a3b; }
[data-theme="dark"] .learning-module-header { background: #2d2d2e; }
[data-theme="dark"] .sidebar-footer { border-color: #2d2d2e; }
[data-theme="dark"] .sidebar-footer-btn { background: rgba(255,255,255,0.05); border-color: rgba(255,255,255,0.08); }
[data-theme="dark"] code { background: #2d2d2e; color: #4ec9b0; border-radius: 3px; padding: 1px 5px; }

/* Dark mode body bg */
[data-theme="dark"] .main-content { background: var(--main-bg); }

/* ===================================================
   2. QUIZ MODE — Full-screen exam simulator
   =================================================== */

.quiz-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.7);
  z-index: 3000;
  backdrop-filter: blur(4px);
}

.quiz-container {
  position: fixed;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  z-index: 3001;
  width: min(680px, 95vw);
  max-height: 90vh;
  background: white;
  border-radius: 8px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.4);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

[data-theme="dark"] .quiz-container { background: #252526; color: #e8e8e8; }

.quiz-topbar {
  background: var(--azure-blue);
  color: white;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
}
.quiz-topbar h2 { font-size: 16px; font-weight: 700; }
.quiz-timer {
  background: rgba(255,255,255,0.2);
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1px;
}
.quiz-timer.urgent { background: rgba(220,50,50,0.8); animation: pulse 1s infinite; }
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:0.6} }

.quiz-progress-bar {
  height: 4px;
  background: #e0e0e0;
  flex-shrink: 0;
}
.quiz-progress-fill {
  height: 100%;
  background: var(--azure-blue);
  transition: width 0.4s ease;
}

.quiz-body { padding: 24px; overflow-y: auto; flex: 1; }
.quiz-question-num { font-size: 12px; color: var(--text-muted); font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 8px; }
.quiz-question-text { font-size: 16px; font-weight: 600; line-height: 1.5; margin-bottom: 20px; color: var(--text-primary); }
.quiz-scenario {
  background: #deecf9; border-left: 4px solid var(--azure-blue);
  border-radius: 4px; padding: 12px 14px;
  font-size: 13px; color: #004578; margin-bottom: 16px; line-height: 1.6;
}
[data-theme="dark"] .quiz-scenario { background: #1a3a5c; color: #90c8f0; }

.quiz-options { display: flex; flex-direction: column; gap: 10px; }
.quiz-option {
  display: flex; align-items: flex-start; gap: 12px;
  padding: 12px 16px;
  border: 2px solid var(--card-border);
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s;
  font-size: 14px; line-height: 1.5;
  background: white;
}
[data-theme="dark"] .quiz-option { background: #2d2d2e; border-color: #555; color: #e8e8e8; }
.quiz-option:hover { border-color: var(--azure-blue); background: #f0f7ff; }
[data-theme="dark"] .quiz-option:hover { background: #1a3a5c; }
.quiz-option.selected { border-color: var(--azure-blue); background: #deecf9; }
[data-theme="dark"] .quiz-option.selected { background: #1a3a5c; }
.quiz-option.correct { border-color: #107c10; background: #dff6dd; }
[data-theme="dark"] .quiz-option.correct { background: #0a2a1a; border-color: #4ec9b0; }
.quiz-option.wrong { border-color: #a4262c; background: #fde7e9; }
[data-theme="dark"] .quiz-option.wrong { background: #2a0a0a; border-color: #f48771; }
.quiz-option-letter {
  width: 28px; height: 28px; border-radius: 50%;
  background: var(--card-border); color: var(--text-secondary);
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 700; flex-shrink: 0;
}
.quiz-option.selected .quiz-option-letter { background: var(--azure-blue); color: white; }
.quiz-option.correct .quiz-option-letter { background: #107c10; color: white; }
.quiz-option.wrong .quiz-option-letter { background: #a4262c; color: white; }

.quiz-explanation {
  margin-top: 16px; padding: 14px;
  background: #fff4ce; border-left: 4px solid #f7c41f;
  border-radius: 4px; font-size: 13px; line-height: 1.6;
  display: none;
}
[data-theme="dark"] .quiz-explanation { background: #2a2000; border-color: #8a6700; color: #f0c060; }
.quiz-explanation.visible { display: block; }
.quiz-explanation strong { color: #3e2400; display: block; margin-bottom: 4px; }
[data-theme="dark"] .quiz-explanation strong { color: #f0c060; }

.quiz-footer {
  padding: 14px 20px;
  border-top: 1px solid var(--card-border);
  display: flex; align-items: center; justify-content: space-between;
  flex-shrink: 0;
  background: #f9f9f8;
}
[data-theme="dark"] .quiz-footer { background: #2d2d2e; border-color: #3a3a3b; }
.quiz-score-display { font-size: 13px; color: var(--text-muted); }
.quiz-score-display strong { color: var(--text-primary); }

/* Results screen */
.quiz-results { padding: 30px; text-align: center; }
.quiz-results-icon { font-size: 64px; margin-bottom: 16px; }
.quiz-results-score { font-size: 48px; font-weight: 800; margin-bottom: 8px; }
.quiz-results-label { font-size: 16px; color: var(--text-secondary); margin-bottom: 24px; }
.quiz-results-breakdown { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-bottom: 24px; }
.quiz-results-stat { background: #f3f2f1; border-radius: 8px; padding: 14px; }
[data-theme="dark"] .quiz-results-stat { background: #2d2d2e; }
.quiz-results-stat-val { font-size: 24px; font-weight: 700; }
.quiz-results-stat-label { font-size: 11px; color: var(--text-muted); }

/* ===================================================
   3. ARM TEMPLATE BUILDER PANEL
   =================================================== */

.arm-panel {
  position: fixed;
  top: var(--topbar-height); right: -520px;
  width: 520px;
  background: white;
  box-shadow: var(--shadow-lg);
  border-left: 1px solid var(--card-border);
  height: calc(100vh - var(--topbar-height));
  z-index: 800;
  transition: right 0.3s ease;
  display: flex; flex-direction: column;
}
[data-theme="dark"] .arm-panel { background: #252526; border-color: #3a3a3b; }
.arm-panel.open { right: 0; }

.arm-panel-header {
  padding: 14px 16px;
  border-bottom: 1px solid var(--card-border);
  display: flex; align-items: center; justify-content: space-between;
  background: #deecf9; flex-shrink: 0;
  font-size: 14px;
}
[data-theme="dark"] .arm-panel-header { background: #1a3a5c; color: #90c8f0; }
.arm-panel-header button { background: none; border: none; cursor: pointer; font-size: 18px; color: var(--text-muted); }

.arm-panel-body { overflow-y: auto; flex: 1; padding: 16px; }

.arm-resource-picker {
  display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-bottom: 16px;
}
.arm-resource-btn {
  padding: 10px 12px; background: white; border: 1px solid var(--card-border);
  border-radius: 4px; cursor: pointer; font-size: 12px; font-family: var(--font);
  display: flex; align-items: center; gap: 8px; transition: var(--transition);
  font-weight: 500;
}
[data-theme="dark"] .arm-resource-btn { background: #2d2d2e; border-color: #555; color: #e8e8e8; }
.arm-resource-btn:hover { border-color: var(--azure-blue); color: var(--azure-blue); background: #f0f7ff; }
[data-theme="dark"] .arm-resource-btn:hover { background: #1a3a5c; }

.arm-output {
  background: #1e1e1e; border-radius: 4px;
  font-family: 'Consolas', monospace; font-size: 12px;
  color: #d4d4d4; padding: 14px; overflow-x: auto;
  max-height: 400px; overflow-y: auto; line-height: 1.6;
}
.arm-output .json-key { color: #9cdcfe; }
.arm-output .json-string { color: #ce9178; }
.arm-output .json-number { color: #b5cea8; }
.arm-output .json-bool { color: #569cd6; }

.arm-toolbar { display: flex; gap: 8px; margin-top: 10px; }

/* ===================================================
   4. ACTIVITY LOG PANEL
   =================================================== */

.activity-panel {
  position: fixed;
  top: var(--topbar-height); right: -400px;
  width: 400px;
  background: white;
  box-shadow: var(--shadow-lg);
  border-left: 1px solid var(--card-border);
  height: calc(100vh - var(--topbar-height));
  z-index: 800;
  transition: right 0.3s ease;
  display: flex; flex-direction: column;
}
[data-theme="dark"] .activity-panel { background: #252526; border-color: #3a3a3b; }
.activity-panel.open { right: 0; }

.activity-item {
  display: flex; gap: 12px; padding: 10px 12px;
  border-bottom: 1px solid #f3f2f1;
  font-size: 12px;
}
[data-theme="dark"] .activity-item { border-color: #3a3a3b; }
.activity-item-icon {
  width: 28px; height: 28px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; flex-shrink: 0; margin-top: 2px;
}
.activity-item-icon.create { background: #dff6dd; color: #107c10; }
.activity-item-icon.delete { background: #fde7e9; color: #a4262c; }
.activity-item-icon.update { background: #deecf9; color: #0078D4; }
.activity-item-icon.action { background: #fff4ce; color: #8a6700; }
.activity-item-body { flex: 1; }
.activity-item-title { font-weight: 600; color: var(--text-primary); margin-bottom: 2px; }
.activity-item-meta { color: var(--text-muted); }
.activity-item-time { font-size: 11px; color: var(--text-muted); white-space: nowrap; flex-shrink: 0; }

.activity-filter-bar {
  padding: 10px 12px; border-bottom: 1px solid var(--card-border);
  display: flex; gap: 6px; flex-shrink: 0; flex-wrap: wrap;
}
.activity-filter-btn {
  padding: 3px 10px; border-radius: 12px; border: 1px solid var(--card-border);
  background: white; cursor: pointer; font-size: 11px; font-family: var(--font);
  transition: var(--transition); font-weight: 600;
}
[data-theme="dark"] .activity-filter-btn { background: #2d2d2e; border-color: #555; color: #e8e8e8; }
.activity-filter-btn.active { background: var(--azure-blue); color: white; border-color: var(--azure-blue); }
.activity-filter-btn:hover:not(.active) { border-color: var(--azure-blue); color: var(--azure-blue); }

/* ===================================================
   5. WHAT-IF COST ESTIMATOR PANEL
   =================================================== */

.whatif-panel {
  position: fixed;
  top: var(--topbar-height); right: -440px;
  width: 440px;
  background: white;
  box-shadow: var(--shadow-lg);
  border-left: 1px solid var(--card-border);
  height: calc(100vh - var(--topbar-height));
  z-index: 800;
  transition: right 0.3s ease;
  display: flex; flex-direction: column;
}
[data-theme="dark"] .whatif-panel { background: #252526; border-color: #3a3a3b; }
.whatif-panel.open { right: 0; }

.cost-estimate-card {
  background: #f3f2f1; border-radius: 6px; padding: 14px;
  margin-bottom: 10px; border: 1px solid var(--card-border);
}
[data-theme="dark"] .cost-estimate-card { background: #2d2d2e; border-color: #555; }
.cost-estimate-label { font-size: 12px; color: var(--text-muted); font-weight: 600; text-transform: uppercase; }
.cost-estimate-value { font-size: 22px; font-weight: 700; color: var(--azure-blue); margin: 4px 0; }
.cost-estimate-detail { font-size: 12px; color: var(--text-muted); }

/* ===================================================
   6. NEW SERVICE PAGES — Service Bus, API Mgmt, etc.
   =================================================== */

.feature-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 12px; margin-bottom: 20px;
}
.feature-card {
  background: white; border: 1px solid var(--card-border);
  border-radius: 6px; padding: 16px;
  transition: var(--transition);
}
[data-theme="dark"] .feature-card { background: #252526; border-color: #3a3a3b; }
.feature-card:hover { border-color: var(--azure-blue); box-shadow: var(--shadow-md); }
.feature-card-icon { font-size: 28px; margin-bottom: 8px; }
.feature-card-title { font-size: 13px; font-weight: 700; margin-bottom: 4px; }
.feature-card-desc { font-size: 12px; color: var(--text-muted); line-height: 1.5; }

/* Advisor recommendation card */
.advisor-card {
  background: white; border: 1px solid var(--card-border);
  border-radius: 6px; padding: 16px; margin-bottom: 10px;
  border-left: 4px solid var(--azure-blue);
  transition: var(--transition);
}
[data-theme="dark"] .advisor-card { background: #252526; border-color: #3a3a3b; }
.advisor-card:hover { box-shadow: var(--shadow-md); }
.advisor-card.high { border-left-color: #a4262c; }
.advisor-card.medium { border-left-color: #d83b01; }
.advisor-card.low { border-left-color: #107c10; }
.advisor-card-header { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; }
.advisor-card-title { font-size: 13px; font-weight: 700; flex: 1; }
.advisor-card-body { font-size: 12px; color: var(--text-secondary); line-height: 1.6; }
.advisor-impact { font-size: 11px; color: var(--text-muted); margin-top: 8px; display: flex; gap: 12px; }

/* Architecture diagram builder */
.arch-canvas {
  background: #f9f9f8; border: 2px dashed var(--card-border);
  border-radius: 6px; min-height: 400px; position: relative;
  overflow: hidden;
}
[data-theme="dark"] .arch-canvas { background: #1e1e1f; border-color: #555; }
.arch-node {
  position: absolute; cursor: move;
  display: flex; flex-direction: column; align-items: center; gap: 4px;
  user-select: none;
}
.arch-node-box {
  width: 64px; height: 64px; background: white;
  border: 2px solid var(--azure-blue); border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 28px; box-shadow: var(--shadow-sm);
  transition: var(--transition);
}
[data-theme="dark"] .arch-node-box { background: #252526; }
.arch-node-box:hover { box-shadow: var(--shadow-md); transform: scale(1.05); }
.arch-node-label { font-size: 11px; font-weight: 600; color: var(--text-secondary); white-space: nowrap; }
.arch-component-palette {
  display: flex; gap: 8px; flex-wrap: wrap; padding: 12px;
  background: white; border: 1px solid var(--card-border);
  border-radius: 6px; margin-bottom: 12px;
}
[data-theme="dark"] .arch-component-palette { background: #252526; border-color: #3a3a3b; }
.arch-component-btn {
  display: flex; flex-direction: column; align-items: center; gap: 3px;
  padding: 8px 10px; border: 1px solid var(--card-border);
  border-radius: 4px; cursor: pointer; background: white; transition: var(--transition);
  font-size: 10px; color: var(--text-secondary); font-family: var(--font);
}
[data-theme="dark"] .arch-component-btn { background: #2d2d2e; border-color: #555; color: #b0b0b0; }
.arch-component-btn:hover { border-color: var(--azure-blue); color: var(--azure-blue); }
.arch-component-btn span:first-child { font-size: 20px; }
.arch-toolbar { display: flex; gap: 8px; margin-bottom: 10px; }

/* ===================================================
   7. PERSISTENCE / SAVED STATE INDICATOR
   =================================================== */

.save-indicator {
  position: fixed; bottom: 70px; right: 20px;
  background: #107c10; color: white;
  padding: 6px 14px; border-radius: 20px;
  font-size: 12px; font-weight: 600;
  display: flex; align-items: center; gap: 6px;
  z-index: 999; opacity: 0;
  transition: opacity 0.3s;
  pointer-events: none;
}
.save-indicator.visible { opacity: 1; }

/* ===================================================
   8. ENHANCED DASHBOARD WIDGETS
   =================================================== */

.live-clock {
  font-size: 12px; color: rgba(255,255,255,0.75);
  font-family: monospace; letter-spacing: 0.5px;
}

.resource-health-dot {
  width: 10px; height: 10px; border-radius: 50%;
  display: inline-block; margin-right: 6px;
  animation: blink 2s infinite;
}
.resource-health-dot.healthy { background: #107c10; }
.resource-health-dot.degraded { background: #d83b01; }
.resource-health-dot.down { background: #a4262c; }
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0.4} }

/* Scrollable metric row */
.metric-scroll-row {
  display: flex; gap: 12px; overflow-x: auto;
  padding-bottom: 8px; margin-bottom: 16px;
}
.metric-scroll-row::-webkit-scrollbar { height: 4px; }
.metric-scroll-row .metric-card { min-width: 160px; flex-shrink: 0; }

/* ===================================================
   9. ONBOARDING TOOLTIP SYSTEM
   =================================================== */

.onboarding-highlight {
  position: relative; z-index: 100;
  box-shadow: 0 0 0 4px rgba(0,120,212,0.4);
  border-radius: 4px;
  animation: glow 1.5s ease-in-out infinite;
}
@keyframes glow {
  0%,100% { box-shadow: 0 0 0 4px rgba(0,120,212,0.4); }
  50% { box-shadow: 0 0 0 8px rgba(0,120,212,0.2); }
}

.onboarding-tooltip {
  position: fixed; z-index: 9998;
  background: #0078D4; color: white;
  padding: 12px 16px; border-radius: 8px;
  max-width: 280px; font-size: 13px; line-height: 1.5;
  box-shadow: var(--shadow-lg);
}
.onboarding-tooltip::before {
  content: '';
  position: absolute; bottom: -8px; left: 20px;
  border: 8px solid transparent;
  border-top-color: #0078D4;
  border-bottom: none;
}
.onboarding-tooltip-actions { display: flex; gap: 8px; margin-top: 10px; }
.onboarding-tooltip-actions button {
  padding: 5px 12px; border-radius: 4px; border: none;
  cursor: pointer; font-size: 12px; font-family: var(--font);
}
.onboarding-next { background: white; color: #0078D4; font-weight: 600; }
.onboarding-skip { background: rgba(255,255,255,0.2); color: white; }

/* ===================================================
   10. BREADCRUMB ENHANCEMENTS
   =================================================== */

.page-breadcrumb a, .page-breadcrumb span { 
  cursor: pointer; color: var(--azure-blue);
}
.page-breadcrumb a:hover, .page-breadcrumb span:hover { text-decoration: underline; }

/* ===================================================
   11. KEYBOARD SHORTCUT BADGE
   =================================================== */

.kbd {
  display: inline-block; padding: 2px 6px;
  background: var(--card-border); border-radius: 3px;
  font-family: monospace; font-size: 11px;
  color: var(--text-secondary); border: 1px solid #c8c6c4;
  box-shadow: 0 1px 0 #c8c6c4;
}

/* ===================================================
   12. RESPONSIVE ENHANCEMENTS (Mobile-first)
   =================================================== */

@media (max-width: 768px) {
  .arm-panel, .activity-panel, .whatif-panel { width: 100%; }
  .quiz-container { width: 100%; height: 100%; border-radius: 0; top: 0; left: 0; transform: none; max-height: 100vh; }
  .quiz-results-breakdown { grid-template-columns: 1fr 1fr; }
  .arm-resource-picker { grid-template-columns: 1fr; }
  .feature-grid { grid-template-columns: 1fr; }
  .metric-scroll-row .metric-card { min-width: 140px; }
}

@media (max-width: 480px) {
  .quiz-question-text { font-size: 14px; }
  .quiz-results-breakdown { grid-template-columns: 1fr; }
  .arch-component-palette { gap: 4px; }
}