:root {
  --bg: #06080f;
  --panel: rgba(15, 18, 28, 0.78);
  --panel-strong: rgba(18, 22, 34, 0.92);
  --accent: #3df6a1;
  --accent-2: #ff486d;
  --text: #e8f7ff;
  --muted: #8ea0b8;
  --warning: #ffb347;
  --danger: #ff4f6d;
  --success: #4be0a8;
  --border: rgba(255, 255, 255, 0.08);
  --shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
  --mono: "JetBrains Mono", monospace;
  --sans: "Space Grotesk", "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: radial-gradient(100% 120% at 0% 0%, rgba(61, 246, 161, 0.15), transparent),
    radial-gradient(80% 80% at 90% 0%, rgba(255, 72, 109, 0.1), transparent),
    var(--bg);
  color: var(--text);
  font-family: var(--sans);
  min-height: 100vh;
  overflow: hidden;
}

/* ========== NEW LAYOUT ========== */

.app-shell {
  display: grid;
  grid-template-rows: 60px 1fr 70px;
  height: 100vh;
}

/* Top Navigation Bar */
.top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(12px);
}

.top-bar-left,
.top-bar-center,
.top-bar-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.top-bar-center {
  flex: 1;
  justify-content: center;
}

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

.brand-mark {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  display: grid;
  place-items: center;
  font-weight: 700;
  color: #08101a;
}

.brand-name {
  font-weight: 700;
  letter-spacing: 0.4px;
}

.brand-tag {
  color: var(--muted);
  font-size: 11px;
}

.crumbs {
  color: var(--muted);
  font-size: 13px;
}

/* Theme Dropdown */
.theme-dropdown {
  position: relative;
}

.theme-dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  right: 0;
  background: var(--panel-strong);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 8px;
  min-width: 200px;
  z-index: 1000;
  margin-top: 8px;
}

.theme-dropdown-menu.open {
  display: block;
}

.theme-dropdown-item {
  display: block;
  width: 100%;
  padding: 10px 12px;
  background: transparent;
  border: none;
  color: var(--text);
  text-align: left;
  cursor: pointer;
  border-radius: 8px;
  font-family: var(--sans);
}

.theme-dropdown-item:hover {
  background: rgba(255, 255, 255, 0.05);
}

.theme-dropdown-item.active {
  background: rgba(61, 246, 161, 0.15);
  color: var(--accent);
}

/* Main Content Area */
.main-content {
  display: grid;
  grid-template-columns: 220px 1fr;
  overflow: hidden;
}

/* Fullscreen mode: hide the category sidebar and let the stage use full width */
body.ui-fullscreen .main-content {
  grid-template-columns: 1fr;
}

body.ui-fullscreen .category-sidebar {
  display: none;
}

/* Category Sidebar */
.category-sidebar {
  background: var(--panel);
  border-right: 1px solid var(--border);
  backdrop-filter: blur(12px);
  display: flex;
  flex-direction: column;
  padding: 15px 12px;
  overflow-y: auto;
}

.category-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 20px;
}

.category-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  background: transparent;
  border: none;
  color: var(--text);
  cursor: pointer;
  border-radius: 10px;
  font-family: var(--sans);
  font-size: 14px;
  transition: all 0.15s ease;
}

.category-item:hover {
  background: rgba(255, 255, 255, 0.05);
}

.category-item.active {
  background: rgba(61, 246, 161, 0.12);
  color: var(--accent);
}

.category-item .cat-icon {
  font-size: 18px;
}

.category-item .cat-name {
  flex: 1;
  text-align: left;
}

.category-item .cat-count {
  background: rgba(255, 255, 255, 0.08);
  padding: 2px 8px;
  border-radius: 10px;
  font-size: 12px;
  color: var(--muted);
}

.category-item.active .cat-count {
  background: rgba(61, 246, 161, 0.2);
  color: var(--accent);
}

.sidebar-section {
  margin-top: auto;
  padding-top: 15px;
  border-top: 1px solid var(--border);
}

.section-title {
  font-size: 12px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 10px;
}

.recent-list {
  list-style: none;
  padding: 0;
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.recent-list li {
  padding: 6px 0;
  cursor: pointer;
}

.recent-list li:hover {
  color: var(--text);
}

.sidebar-footer {
  margin-top: 15px;
  padding-top: 15px;
  border-top: 1px solid var(--border);
}

.safety-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--success);
  font-size: 12px;
  padding: 8px 12px;
  background: rgba(75, 224, 168, 0.08);
  border-radius: 8px;
}

/* Stage Panel */
.stage-panel {
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.stage-canvas {
  flex: 1;
  padding: 20px;
  overflow-y: auto;
  position: relative;
  display: none;
  /* Hidden by default, shown when simulation runs */
}

.stage-canvas.active {
  display: block;
}

/* Scenario Grid */
.scenario-grid {
  flex: 1;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
  padding: 20px;
  overflow-y: auto;
  align-content: start;
}

.scenario-grid.hidden {
  display: none;
}

.scenario-card {
  background: var(--panel-strong);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px;
  cursor: pointer;
  transition: all 0.2s ease;
  text-align: center;
}

.scenario-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
  box-shadow: 0 8px 30px rgba(61, 246, 161, 0.15);
}

.scenario-card.active {
  border-color: var(--accent);
  background: rgba(61, 246, 161, 0.08);
}

.scenario-card .card-icon {
  font-size: 40px;
  margin-bottom: 12px;
}

.scenario-card .card-title {
  font-weight: 700;
  font-size: 15px;
  margin-bottom: 6px;
}

.scenario-card .card-desc {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.4;
}

.scenario-card .card-tags {
  display: flex;
  gap: 6px;
  justify-content: center;
  margin-top: 12px;
  flex-wrap: wrap;
}

.tag {
  font-size: 10px;
  padding: 3px 8px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.07);
  color: var(--muted);
}

.tag.hot {
  background: rgba(255, 72, 109, 0.2);
  color: var(--accent-2);
}

.tag.new {
  background: rgba(61, 246, 161, 0.2);
  color: var(--accent);
}

/* Bottom Control Bar */
.bottom-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  background: var(--panel);
  border-top: 1px solid var(--border);
  backdrop-filter: blur(12px);
}

.bottom-bar-left,
.bottom-bar-center,
.bottom-bar-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.bottom-bar-center {
  gap: 24px;
}

.control-group {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
}

.control-group label {
  color: var(--muted);
}

.control-group input[type="range"] {
  width: 80px;
  accent-color: var(--accent);
}

.duration-chips {
  display: flex;
  gap: 6px;
}

.chip {
  border: 1px solid var(--border);
  background: transparent;
  color: var(--muted);
  border-radius: 8px;
  padding: 6px 12px;
  cursor: pointer;
  font-family: var(--sans);
  font-size: 12px;
  transition: all 0.15s ease;
}

.chip:hover {
  border-color: var(--accent);
  color: var(--text);
}

.chip.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #03100e;
  font-weight: 600;
}

.toggle-pill {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 6px 10px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 8px;
  cursor: pointer;
  font-size: 14px;
}

.toggle-pill input {
  display: none;
}

.toggle-pill:has(input:checked) {
  background: rgba(61, 246, 161, 0.15);
}

/* Buttons */
.btn {
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
  border-radius: 10px;
  padding: 10px 16px;
  cursor: pointer;
  font-family: var(--sans);
  font-size: 14px;
  transition: all 0.15s ease;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.btn:hover {
  border-color: var(--accent);
}

.btn.primary {
  background: linear-gradient(120deg, var(--accent), #27c68c);
  border-color: transparent;
  color: #03100e;
  font-weight: 700;
}

.btn.primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(61, 246, 161, 0.3);
}

.btn.ghost {
  background: transparent;
}

.btn.compact {
  padding: 8px 12px;
  font-size: 13px;
}

/* Tray & Watermark */
.tray {
  display: flex;
  gap: 8px;
  padding: 10px 20px;
  flex-wrap: wrap;
}

.tray-button {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 8px;
  padding: 8px 14px;
  cursor: pointer;
  font-size: 12px;
  font-family: var(--sans);
}

.tray-button:hover {
  border-color: var(--accent);
}

.watermark {
  position: fixed;
  bottom: 80px;
  right: 20px;
  font-size: 11px;
  letter-spacing: 2px;
  color: rgba(255, 255, 255, 0.15);
  pointer-events: none;
  z-index: 50;
}

.exit-pill {
  position: fixed;
  bottom: 80px;
  left: 20px;
  background: rgba(255, 72, 109, 0.15);
  border: 1px solid var(--danger);
  color: var(--danger);
  padding: 10px 16px;
  border-radius: 25px;
  font-size: 12px;
  cursor: pointer;
  z-index: 100;
  transition: all 0.2s ease;
}

.exit-pill:hover {
  background: rgba(255, 72, 109, 0.25);
}

.mobile-tray-toggle {
  display: none;
}

/* Modals */
.modal {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  place-items: center;
  z-index: 1000;
}

.modal.open,
.modal.show {
  display: grid;
}

.modal-content {
  background: var(--panel-strong);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
  max-width: 400px;
  width: 90%;
}

.modal-title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 16px;
}

.modal-actions {
  display: flex;
  gap: 10px;
  margin-top: 20px;
  justify-content: flex-end;
}

.settings-grid {
  display: grid;
  gap: 12px;
}

.toggle-row {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  padding: 8px 0;
}

.toggle-row input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--accent);
}

/* Toast */
.toast-stack {
  position: fixed;
  top: 80px;
  right: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 2000;
}

.toast {
  background: var(--panel-strong);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px 16px;
  font-size: 14px;
  animation: slideIn 0.3s ease;
}

.toast.success {
  border-color: var(--success);
}

.toast.warning {
  border-color: var(--warning);
}

.toast.danger {
  border-color: var(--danger);
}

.toast.info {
  border-color: var(--accent);
}

@keyframes slideIn {
  from {
    transform: translateX(100%);
    opacity: 0;
  }

  to {
    transform: translateX(0);
    opacity: 1;
  }
}

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

/* Progress Bar */
.progress {
  width: 100%;
}

.progress-bar {
  height: 6px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 3px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  width: 0%;
  transition: width 0.2s ease;
}

/* ========== MOBILE RESPONSIVE ========== */

@media (max-width: 1024px) {
  .main-content {
    grid-template-columns: 180px 1fr;
  }

  .scenario-grid {
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  }
}

@media (max-width: 768px) {
  .app-shell {
    grid-template-rows: 50px 1fr 60px;
  }

  .main-content {
    grid-template-columns: 1fr;
  }

  .category-sidebar {
    display: none;
  }

  .top-bar-center {
    display: none;
  }

  .brand-name,
  .brand-tag {
    display: none;
  }

  .bottom-bar-center {
    display: none;
  }

  .stage-canvas {
    padding: 12px;
  }

  .scenario-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }

  .scenario-card {
    padding: 14px;
  }

  .scenario-card .card-icon {
    font-size: 28px;
  }

  .exit-pill {
    bottom: 70px;
    left: 10px;
    font-size: 11px;
    padding: 8px 12px;
  }

  .watermark {
    bottom: 130px;
  }

  .mobile-tray-toggle {
    display: block;
    position: fixed;
    bottom: 70px;
    right: 10px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--border);
    color: var(--text);
    padding: 8px 12px;
    border-radius: 10px;
    font-size: 12px;
    z-index: 110;
    cursor: pointer;
  }

  .tray {
    display: none;
    position: fixed;
    bottom: 120px;
    left: 10px;
    right: 10px;
    background: var(--panel-strong);
    padding: 12px;
    border-radius: 12px;
    border: 1px solid var(--border);
    z-index: 100;
  }

  .tray.mobile-visible {
    display: flex;
  }
}

/* ========== THEMES ========== */

.theme-hollywood {
  --accent: #3df6a1;
  --accent-2: #ff486d;
}

.theme-corporate {
  --accent: #4a9fff;
  --accent-2: #7c5cff;
}

.theme-forensics {
  --accent: #ff9f43;
  --accent-2: #ee5253;
}

.theme-retro {
  --accent: #ffd93d;
  --accent-2: #ff6b35;
}

.theme-future {
  --accent: #a855f7;
  --accent-2: #06b6d4;
}

/* ========== SCENARIO-SPECIFIC STYLES ========== */

.mobile-frame {
  width: 320px;
  height: 640px;
  background: #000;
  border-radius: 40px;
  border: 8px solid #1a1a1a;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
  overflow: hidden;
  position: relative;
  margin: 0 auto;
}

.mobile-screen {
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, #1a1c2e 0%, #0f1019 100%);
  overflow: hidden;
  position: relative;
}

.mobile-notch {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 120px;
  height: 28px;
  background: #000;
  border-radius: 0 0 16px 16px;
  z-index: 10;
}

.status-bar {
  display: flex;
  justify-content: space-between;
  padding: 8px 20px;
  font-size: 12px;
  color: #fff;
}

/* Glitch Effect */
.glitch-overlay {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  background: repeating-linear-gradient(0deg,
      rgba(0, 0, 0, 0.1) 0px,
      transparent 1px,
      transparent 2px);
  opacity: 0.3;
}

/* Hack Overlay */
.hack-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 50;
}

.hack-title {
  font-size: 24px;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 20px;
}

.hack-spinner {
  width: 50px;
  height: 50px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

/* ========== THEME VARIATIONS ========== */

body.theme-hollywood {
  --accent: #3df6a1;
  --accent-2: #ff486d;
}

body.theme-corporate {
  --accent: #4a9fff;
  --accent-2: #7c5cff;
  --bg: #0a0d14;
}

body.theme-forensics {
  --accent: #ff9f43;
  --accent-2: #ee5253;
  --bg: #0d0906;
}

body.theme-retro {
  --accent: #ffd93d;
  --accent-2: #ff6b35;
  --bg: #0a0800;
}

body.theme-future {
  --accent: #a855f7;
  --accent-2: #06b6d4;
  --bg: #08050f;
}