:root {
  --bg-main: #0b0f19;
  --bg-surface: #111827;
  --bg-card: #1e293b;
  --bg-card-hover: #26334d;
  --border-color: #334155;
  --border-focus: #38bdf8;
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --accent: #38bdf8;
  --accent-hover: #0ea5e9;
  --success: #10b981;
  --success-bg: rgba(16, 185, 129, 0.15);
  --error: #ef4444;
  --error-bg: rgba(239, 68, 68, 0.15);
  --warning: #f59e0b;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: "JetBrains Mono", "Fira Code", Consolas, Menlo, monospace;
}

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

html, body {
  height: 100%;
  height: 100dvh;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-main);
  color: var(--text-primary);
  line-height: 1.5;
  min-height: 100vh;
}

/* Visibility Utilities */
.desktop-only {
  display: inline-flex;
}
.mobile-only {
  display: none !important;
}

@media (max-width: 768px) {
  .desktop-only {
    display: none !important;
  }
  .mobile-only {
    display: inline-flex !important;
  }
}

/* Flash alerts */
.flash-container {
  position: fixed;
  top: 16px;
  right: 16px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-width: 420px;
}

.flash-alert {
  padding: 12px 16px;
  border-radius: 8px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  font-size: 14px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.flash-success { border-color: var(--success); background: #064e3b; }
.flash-danger { border-color: var(--error); background: #7f1d1d; }
.flash-warning { border-color: var(--warning); background: #78350f; }
.flash-info { border-color: var(--accent); background: #0c4a6e; }

.flash-close {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 18px;
  cursor: pointer;
  margin-left: 12px;
}

/* ===================================================
   Dashboard Styles
=================================================== */
.dashboard-layout {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.dash-navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 32px;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-color);
}

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

.brand-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, #0284c7, #38bdf8);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 18px;
}

.brand-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.btn-new-project {
  background: var(--accent);
  color: #0b0f19;
  font-weight: 600;
  border: none;
  padding: 8px 18px;
  border-radius: 8px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: background 0.2s;
}

.btn-new-project:hover {
  background: var(--accent-hover);
}

.user-pill {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: var(--bg-card);
  border-radius: 20px;
  border: 1px solid var(--border-color);
  font-size: 14px;
}

.btn-logout {
  color: var(--text-secondary);
  margin-left: 6px;
  text-decoration: none;
  transition: color 0.2s;
}

.btn-logout:hover {
  color: var(--error);
}

.dash-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 24px;
  width: 100%;
}

.dash-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 32px;
}

.dash-title {
  font-size: 28px;
  font-weight: 700;
}

.dash-subtitle {
  color: var(--text-secondary);
  font-size: 15px;
  margin-top: 4px;
}

.btn-primary-compact {
  background: var(--accent);
  color: #0b0f19;
  font-weight: 600;
  border: none;
  padding: 10px 20px;
  border-radius: 8px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Dashboard Tabs Bar */
.dash-tabs-bar {
  margin-bottom: 24px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.dash-tabs {
  display: flex;
  gap: 8px;
}

.dash-tab {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: all 0.2s;
  cursor: pointer;
}

.dash-tab:hover {
  color: var(--text-primary);
}

.dash-tab.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.dash-tab-badge {
  background: var(--bg-card);
  color: var(--text-secondary);
  font-size: 11px;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 10px;
}

.dash-tab.active .dash-tab-badge {
  background: rgba(56, 189, 248, 0.15);
  color: var(--accent);
}

.dash-tab-badge.badge-warning {
  background: rgba(245, 158, 11, 0.2);
  color: var(--warning);
}

/* 30-Day Trash Notice Banner */
.trash-notice-banner {
  background: rgba(30, 41, 59, 0.6);
  border: 1px solid rgba(245, 158, 11, 0.35);
  border-left: 4px solid var(--warning);
  border-radius: 10px;
  padding: 14px 18px;
  margin-bottom: 24px;
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.trash-banner-icon {
  font-size: 20px;
  color: var(--warning);
  margin-top: 2px;
}

.trash-banner-text strong {
  display: block;
  font-size: 14px;
  color: #fff;
  margin-bottom: 2px;
}

.trash-banner-text p {
  font-size: 13px;
  color: var(--text-secondary);
  margin: 0;
}

/* Trashed Project Cards */
.project-card.trashed-card {
  border-color: #334155;
  background: rgba(17, 24, 39, 0.85);
  opacity: 0.95;
}

.trashed-name-text {
  color: #cbd5e1;
}

.badge-days-left {
  font-size: 11px;
  font-weight: 600;
  color: var(--warning);
  background: rgba(245, 158, 11, 0.12);
  border: 1px solid rgba(245, 158, 11, 0.25);
  padding: 3px 8px;
  border-radius: 6px;
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.btn-resurrect {
  background: rgba(16, 185, 129, 0.15) !important;
  color: var(--success) !important;
  border: 1px solid rgba(16, 185, 129, 0.35) !important;
  gap: 8px;
  cursor: pointer;
}

.btn-resurrect:hover {
  background: var(--success) !important;
  color: #0b0f19 !important;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
}

.project-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  transition: transform 0.2s, border-color 0.2s;
}

.project-card:hover {
  transform: translateY(-2px);
  border-color: #475569;
}

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

.template-badge {
  font-size: 12px;
  background: var(--bg-card);
  padding: 4px 10px;
  border-radius: 6px;
  color: var(--accent);
  font-weight: 500;
}

.status-indicator {
  font-size: 12px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 4px;
}

.status-success { color: var(--success); }
.status-error { color: var(--error); }
.status-idle { color: var(--text-muted); }

.project-name {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
}

.project-name a {
  color: var(--text-primary);
  text-decoration: none;
}

.project-name a:hover {
  color: var(--accent);
}

.project-desc {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 16px;
  flex-grow: 1;
}

.card-meta {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.card-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  border-top: 1px solid var(--border-color);
  padding-top: 16px;
}

.btn-card-action {
  flex-grow: 1;
  background: var(--bg-card);
  color: var(--text-primary);
  text-decoration: none;
  font-size: 13px;
  font-weight: 600;
  padding: 8px 14px;
  border-radius: 6px;
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: background 0.2s;
}

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

.btn-card-icon {
  background: var(--bg-card);
  color: var(--text-secondary);
  border: none;
  width: 34px;
  height: 34px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  text-decoration: none;
  transition: color 0.2s, background 0.2s;
}

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

.btn-card-icon.btn-danger:hover {
  color: var(--error);
}

.empty-state {
  text-align: center;
  padding: 80px 24px;
  background: var(--bg-surface);
  border: 1px dashed var(--border-color);
  border-radius: 16px;
}

.empty-icon {
  font-size: 48px;
  color: var(--accent);
  margin-bottom: 16px;
}

/* Modal styles */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  backdrop-filter: blur(4px);
}

.modal-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  width: 100%;
  max-width: 600px;
  padding: 32px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
}

.modal-close {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 24px;
  cursor: pointer;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 6px;
  color: var(--text-primary);
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"] {
  width: 100%;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 10px 14px;
  color: var(--text-primary);
  font-size: 14px;
  outline: none;
  transition: border-color 0.2s;
}

.form-group input:focus {
  border-color: var(--border-focus);
}

.template-selector {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.template-option {
  cursor: pointer;
}

.template-option input {
  display: none;
}

.template-box {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 12px;
  transition: border-color 0.2s, background 0.2s;
}

.template-option input:checked + .template-box {
  border-color: var(--accent);
  background: rgba(56, 189, 248, 0.1);
}

.tmpl-title {
  font-weight: 600;
  font-size: 14px;
  margin-bottom: 4px;
}

.tmpl-desc {
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.3;
}

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

.btn-secondary {
  background: var(--bg-card);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  padding: 10px 20px;
  border-radius: 8px;
  cursor: pointer;
}

.btn-primary {
  background: var(--accent);
  color: #0b0f19;
  font-weight: 600;
  border: none;
  padding: 10px 20px;
  border-radius: 8px;
  cursor: pointer;
}

.hidden {
  display: none !important;
}

/* ===================================================
   Studio IDE (Overleaf-style) Styles
=================================================== */
.editor-page-body {
  overflow: hidden;
  height: 100vh;
  height: 100dvh;
}

.studio-layout {
  display: flex;
  flex-direction: column;
  height: 100vh;
  height: 100dvh;
  width: 100vw;
  overflow: hidden;
  background: #0f172a;
}

/* Topbar */
.studio-topbar {
  height: 52px;
  background: #090d16;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 16px;
  flex-shrink: 0;
  z-index: 20;
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.btn-topbar-icon {
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-card);
  color: var(--text-secondary);
  border-radius: 6px;
  text-decoration: none;
  border: 1px solid var(--border-color);
  cursor: pointer;
  flex-shrink: 0;
  transition: color 0.2s, background 0.2s;
}

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

.project-title-wrapper {
  display: flex;
  align-items: center;
  gap: 6px;
  min-width: 0;
}

.project-title-text {
  font-weight: 600;
  font-size: 15px;
  cursor: pointer;
  padding: 2px 6px;
  border-radius: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.project-title-text:hover {
  background: var(--bg-card);
}

.project-title-input {
  background: var(--bg-card);
  border: 1px solid var(--accent);
  color: var(--text-primary);
  font-size: 14px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 4px;
  outline: none;
  max-width: 180px;
}

.title-edit-icon {
  font-size: 11px;
  color: var(--text-muted);
  cursor: pointer;
  flex-shrink: 0;
}

.topbar-center {
  display: flex;
  align-items: center;
  gap: 10px;
}

.btn-recompile {
  background: #15803d;
  color: #ffffff;
  font-weight: 600;
  font-size: 13px;
  border: none;
  padding: 6px 14px;
  border-radius: 6px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
  transition: background 0.2s;
}

.btn-recompile:hover {
  background: #16a34a;
}

.btn-recompile.is-compiling {
  background: #b45309;
  cursor: wait;
}

.auto-compile-toggle {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--text-secondary);
  cursor: pointer;
  user-select: none;
}

.compile-status-pill {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  padding: 4px 10px;
  border-radius: 12px;
  background: var(--bg-card);
  white-space: nowrap;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--text-muted);
}

.compile-status-pill.status-success .status-dot { background: var(--success); }
.compile-status-pill.status-error .status-dot { background: var(--error); }
.compile-status-pill.status-compiling .status-dot { background: var(--warning); animation: pulse 1s infinite; }

.topbar-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

.btn-topbar-action {
  background: var(--bg-card);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  font-size: 12px;
  font-weight: 500;
  padding: 6px 12px;
  border-radius: 6px;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
  transition: background 0.2s, border-color 0.2s;
}

.btn-topbar-action:hover {
  background: var(--bg-card-hover);
  border-color: #475569;
}

.btn-topbar-ai {
  background: linear-gradient(135deg, rgba(2, 132, 199, 0.2), rgba(56, 189, 248, 0.2));
  border-color: var(--accent);
  color: var(--accent);
  font-weight: 600;
}

.btn-topbar-ai:hover {
  background: linear-gradient(135deg, #0284c7, #38bdf8);
  color: #ffffff;
}

/* Topbar More Actions Dropdown (Mobile) */
.topbar-more-menu-wrapper {
  position: relative;
}

.topbar-dropdown-menu {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 8px;
  background: #111827;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 6px;
  min-width: 190px;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.7);
  z-index: 150;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.topbar-dropdown-menu.hidden {
  display: none !important;
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  color: var(--text-primary);
  font-size: 13px;
  text-decoration: none;
  border-radius: 6px;
  background: transparent;
  border: none;
  width: 100%;
  text-align: left;
  cursor: pointer;
  transition: background 0.2s;
}

.dropdown-item:hover {
  background: var(--bg-card);
  color: var(--accent);
}

.dropdown-divider {
  height: 1px;
  background: var(--border-color);
  margin: 4px 0;
}

.auto-compile-label {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  user-select: none;
  font-size: 12px;
}

/* ===================================================
   Mobile View Switcher (Segmented Tab Bar)
=================================================== */
.mobile-view-switcher {
  display: none;
  height: 44px;
  background: #0b0f19;
  border-bottom: 1px solid var(--border-color);
  padding: 4px 10px;
  gap: 8px;
  flex-shrink: 0;
  z-index: 18;
}

.view-switch-btn {
  flex: 1;
  background: #141d2e;
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 600;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  cursor: pointer;
  transition: all 0.2s;
}

.view-switch-btn.active {
  background: linear-gradient(135deg, #0284c7, #0284c7);
  border-color: #38bdf8;
  color: #ffffff;
  box-shadow: 0 2px 10px rgba(2, 132, 199, 0.4);
}

.preview-badge {
  background: #10b981;
  color: #ffffff;
  font-size: 10px;
  padding: 1px 6px;
  border-radius: 10px;
  font-weight: 700;
}

/* ===================================================
   Studio Workspace
=================================================== */
.studio-workspace {
  display: flex;
  flex: 1;
  min-height: 0;
  position: relative;
  overflow: hidden;
}

.pane {
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
  position: relative;
}

.pane-editor {
  flex: 1;
  min-width: 280px;
  background: #1e1e1e;
}

.pane-header {
  height: 38px;
  background: #181818;
  border-bottom: 1px solid #2d2d2d;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 12px;
  flex-shrink: 0;
}

.editor-tabs {
  display: flex;
  align-items: center;
  gap: 4px;
}

.editor-tab {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: #1e1e1e;
  color: #e2e8f0;
  font-size: 12px;
  font-family: var(--font-mono);
  border-radius: 4px 4px 0 0;
  border-top: 2px solid var(--accent);
}

.editor-tools {
  display: flex;
  align-items: center;
  gap: 8px;
}

.save-status {
  font-size: 11px;
  color: var(--text-muted);
}

.agy-live-badge {
  font-size: 11px;
  font-weight: 600;
  color: #818cf8;
  background: rgba(99, 102, 241, 0.15);
  border: 1px solid rgba(99, 102, 241, 0.35);
  padding: 2px 8px;
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  animation: agy-pulse-glow 1.8s infinite ease-in-out;
}

@keyframes agy-pulse-glow {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.65; transform: scale(0.98); }
}

.btn-tool-icon {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 12px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 8px;
  border-radius: 4px;
  text-decoration: none;
}

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

#latex-editor {
  flex: 1;
  width: 100%;
  height: 100%;
  font-size: 14px;
  font-family: var(--font-mono);
}

/* Horizontal Resizer */
.pane-resizer-horizontal {
  width: 6px;
  background: #111827;
  cursor: col-resize;
  transition: background 0.2s;
  flex-shrink: 0;
  z-index: 10;
}

.pane-resizer-horizontal:hover,
.pane-resizer-horizontal.is-dragging {
  background: var(--accent);
}

/* Preview Pane */
.pane-preview {
  flex: 1;
  min-width: 300px;
  background: #334155;
  display: flex;
  flex-direction: column;
  position: relative;
}

.preview-toolbar {
  background: #0f172a;
  border-bottom: 1px solid var(--border-color);
}

.preview-title {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 6px;
}

.text-danger {
  color: var(--error);
}

.preview-actions {
  display: flex;
  align-items: center;
  gap: 4px;
}

.pdf-viewer-wrapper {
  flex: 1;
  width: 100%;
  height: 100%;
  position: relative;
  background: #1e293b;
}

#pdf-frame {
  width: 100%;
  height: 100%;
  border: none;
}

.pdf-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #0f172a;
  z-index: 5;
}

.placeholder-content {
  text-align: center;
  max-width: 360px;
  padding: 32px;
}

.placeholder-content i {
  font-size: 54px;
  color: var(--accent);
  margin-bottom: 16px;
}

.placeholder-content h3 {
  font-size: 18px;
  margin-bottom: 8px;
}

.placeholder-content p {
  color: var(--text-secondary);
  font-size: 14px;
  margin-bottom: 20px;
}

/* Slide-up Error & Log Drawers */
.errors-drawer,
.logs-drawer {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  max-height: 55%;
  background: #0f172a;
  border-top: 2px solid var(--error);
  display: flex;
  flex-direction: column;
  z-index: 15;
  box-shadow: 0 -8px 24px rgba(0, 0, 0, 0.6);
}

.logs-drawer {
  border-top-color: var(--accent);
}

.drawer-header {
  padding: 8px 16px;
  background: #1e293b;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  font-weight: 600;
}

.drawer-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.btn-ask-ai-errors {
  background: linear-gradient(135deg, #0284c7, #38bdf8);
  color: #ffffff;
  border: none;
  font-size: 12px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 4px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
}

.drawer-close {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 18px;
  cursor: pointer;
}

.errors-list {
  padding: 12px 16px;
  overflow-y: auto;
  font-family: var(--font-mono);
  font-size: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.error-item {
  background: rgba(239, 68, 68, 0.1);
  border-left: 3px solid var(--error);
  padding: 8px 12px;
  border-radius: 0 4px 4px 0;
}

.error-line {
  color: #f87171;
  font-weight: 700;
  cursor: pointer;
}

.error-line:hover {
  text-decoration: underline;
}

.error-context {
  color: var(--text-secondary);
  margin-top: 4px;
  white-space: pre-wrap;
}

.raw-log {
  padding: 12px 16px;
  overflow-y: auto;
  font-family: var(--font-mono);
  font-size: 12px;
  color: #94a3b8;
  white-space: pre-wrap;
  margin: 0;
}

/* ===================================================
   Bottom Pane: AGY AI Chat Drawer
=================================================== */
.studio-chat-drawer {
  height: 300px;
  background: #0d1322;
  border-top: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  position: relative;
  flex-shrink: 0;
  overflow: hidden;
  z-index: 25;
  transition: height 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.studio-chat-drawer.collapsed {
  height: 52px !important;
}

.studio-chat-drawer.expanded {
  height: 75vh !important;
  height: 75dvh !important;
}

/* Collapsed Peek Bar (Shown when studio-chat-drawer has .collapsed) */
.chat-collapsed-peek {
  display: none;
  height: 52px;
  background: #090e1a;
  border-top: 1px solid rgba(56, 189, 248, 0.25);
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  cursor: pointer;
  user-select: none;
  transition: background 0.2s;
}

.chat-collapsed-peek:hover {
  background: #0d1526;
}

.studio-chat-drawer.collapsed .chat-collapsed-peek {
  display: flex !important;
}

.studio-chat-drawer.collapsed .chat-header,
.studio-chat-drawer.collapsed .chat-quick-chips-bar,
.studio-chat-drawer.collapsed .chat-messages,
.studio-chat-drawer.collapsed .chat-input-wrapper {
  display: none !important;
}

.peek-left {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 1;
  overflow: hidden;
}

.peek-ai-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #10b981;
  box-shadow: 0 0 8px #10b981;
  flex-shrink: 0;
}

.peek-ai-badge {
  font-size: 13px;
  font-weight: 700;
  color: #38bdf8;
  display: flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
  flex-shrink: 0;
}

.peek-prompt-fake {
  font-size: 13px;
  color: #94a3b8;
  background: #141d2e;
  border: 1px solid #283548;
  padding: 6px 14px;
  border-radius: 20px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex: 1;
  max-width: 440px;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: border-color 0.2s, color 0.2s;
}

.chat-collapsed-peek:hover .peek-prompt-fake {
  border-color: #38bdf8;
  color: #f1f5f9;
}

.btn-peek-expand {
  background: #1e293b;
  border: 1px solid #334155;
  color: #38bdf8;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
  transition: all 0.2s;
}

.btn-peek-expand:hover {
  background: #38bdf8;
  color: #0b0f19;
}

.pane-resizer-vertical {
  height: 10px;
  background: transparent;
  cursor: row-resize;
  position: absolute;
  top: -5px;
  left: 0;
  right: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 30;
  touch-action: none;
}

.pane-resizer-vertical:hover .resizer-handle-pill,
.pane-resizer-vertical.is-dragging .resizer-handle-pill {
  background: var(--accent);
}

.resizer-handle-pill {
  width: 48px;
  height: 4px;
  background: var(--border-color);
  border-radius: 2px;
  transition: background 0.2s;
}

.chat-header {
  height: 44px;
  background: #090d16;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 16px;
  flex-shrink: 0;
  user-select: none;
}

.chat-header-left {
  display: flex;
  align-items: center;
  gap: 10px;
}

.ai-status-indicator {
  display: flex;
  align-items: center;
}

.ai-pulse-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #10b981;
  box-shadow: 0 0 10px #10b981;
}

.chat-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-primary);
}

.chat-context-badge {
  font-size: 11px;
  background: rgba(56, 189, 248, 0.12);
  color: var(--accent);
  padding: 2px 8px;
  border-radius: 10px;
}

.chat-header-right {
  display: flex;
  align-items: center;
  gap: 6px;
}

.btn-chat-tool {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  width: 28px;
  height: 28px;
  border-radius: 4px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

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

/* Quick Prompts Chips Bar */
.chat-quick-chips-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  overflow-x: auto;
  padding: 6px 16px;
  background: #0b101c;
  border-bottom: 1px solid rgba(51, 65, 85, 0.5);
  flex-shrink: 0;
  -webkit-overflow-scrolling: touch;
}

.chat-quick-chips-bar::-webkit-scrollbar {
  height: 3px;
}
.chat-quick-chips-bar::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 2px;
}

.quick-chip {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-size: 11px;
  padding: 4px 10px;
  border-radius: 14px;
  cursor: pointer;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  transition: all 0.2s;
  flex-shrink: 0;
}

.quick-chip:hover {
  background: var(--bg-card-hover);
  color: var(--accent);
  border-color: var(--accent);
}

/* Chat Messages */
.chat-messages {
  flex: 1 1 auto;
  min-height: 0; /* CRITICAL: allows flex child to shrink properly */
  overflow-y: auto;
  padding: 12px 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  -webkit-overflow-scrolling: touch;
}

.chat-message {
  display: flex;
  gap: 12px;
  max-width: 920px;
  margin: 0 auto;
  width: 100%;
}

.message-user {
  flex-direction: row-reverse;
}

.msg-avatar {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--bg-card);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  color: var(--accent);
  flex-shrink: 0;
}

.message-user .msg-avatar {
  background: #3b82f6;
  color: #fff;
}

.msg-content {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 10px 14px;
  border-radius: 10px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--text-primary);
  max-width: 85%;
  position: relative;
  word-break: break-word;
}

.message-user .msg-content {
  background: #1e3a8a;
  border-color: #2563eb;
  color: #eff6ff;
}

.msg-content pre {
  background: #0a0d14;
  border: 1px solid #1e293b;
  border-radius: 6px;
  padding: 10px;
  margin: 8px 0;
  overflow-x: auto;
  position: relative;
}

.msg-content code {
  font-family: var(--font-mono);
  font-size: 12px;
}

.code-block-actions {
  display: flex;
  gap: 8px;
  margin-bottom: 6px;
}

.btn-apply-code {
  background: #0284c7;
  color: #fff;
  border: none;
  font-size: 11px;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: 4px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.btn-apply-code:hover {
  background: #0369a1;
}

.btn-copy-code {
  background: var(--bg-card);
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
  font-size: 11px;
  padding: 3px 8px;
  border-radius: 4px;
  cursor: pointer;
}

/* Chat Input Area - Always anchored at the bottom */
.chat-input-wrapper {
  padding: 8px 16px 12px;
  background: #090d16;
  border-top: 1px solid #1e293b;
  flex-shrink: 0;
  position: relative;
  z-index: 10;
}

.chat-input-wrapper form {
  max-width: 960px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  width: 100%;
}

.chat-input-container {
  display: flex;
  align-items: center;
  flex: 1;
  background: #131b2e;
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 4px 6px 4px 14px;
  gap: 8px;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.chat-input-container:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(56, 189, 248, 0.25);
}

#chat-input {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.4;
  outline: none;
  resize: none;
  max-height: 110px;
  min-height: 28px;
  padding: 4px 0;
}

.btn-chat-send {
  background: var(--accent);
  color: #0b0f19;
  border: none;
  width: 36px;
  height: 36px;
  border-radius: 8px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  flex-shrink: 0;
  transition: background 0.2s, transform 0.1s;
}

.btn-chat-send:active {
  transform: scale(0.95);
}

.btn-chat-send:hover {
  background: var(--accent-hover);
}

.btn-chat-send:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

@keyframes pulse {
  0% { opacity: 0.4; }
  50% { opacity: 1; }
  100% { opacity: 0.4; }
}

/* ===================================================
   GRAPHICS & ASSETS MANAGER STYLES
=================================================== */

.badge-counter {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--accent);
  color: #0b0f19;
  font-size: 10px;
  font-weight: 700;
  border-radius: 10px;
  padding: 1px 6px;
  margin-left: 4px;
}

.btn-tab-asset {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--text-secondary);
  font-size: 12px;
  padding: 5px 10px;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-tab-asset:hover {
  background: rgba(56, 189, 248, 0.15);
  border-color: var(--accent);
  color: var(--accent);
}

.tab-badge {
  background: #334155;
  color: #f8fafc;
  font-size: 10px;
  font-weight: 600;
  padding: 1px 5px;
  border-radius: 8px;
}

/* Editor Dropzone Overlay */
.pane-editor {
  position: relative;
}

.editor-drop-overlay {
  position: absolute;
  inset: 0;
  background: rgba(11, 15, 25, 0.88);
  backdrop-filter: blur(5px);
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
}

.editor-drop-overlay.hidden {
  display: none !important;
}

.drop-overlay-box {
  background: rgba(30, 41, 59, 0.95);
  border: 2px dashed var(--accent);
  border-radius: 16px;
  padding: 32px 42px;
  text-align: center;
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.6);
}

.drop-overlay-box i {
  font-size: 38px;
  color: var(--accent);
  margin-bottom: 12px;
  display: block;
}

.drop-overlay-box h4 {
  font-size: 17px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 6px;
}

.drop-overlay-box p {
  font-size: 12px;
  color: var(--text-secondary);
  margin: 0;
}

/* Assets Modal Dialog */
.assets-modal-card {
  max-width: 780px;
  width: 94%;
  max-height: 88vh;
  display: flex;
  flex-direction: column;
  background: #111827;
  border: 1px solid var(--border-color);
  border-radius: 14px;
  padding: 24px;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.65);
}

.assets-modal-card .modal-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 16px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border-color);
}

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

.assets-modal-icon {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: rgba(56, 189, 248, 0.15);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}

.modal-title {
  font-size: 17px;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
}

.modal-subtitle {
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 2px;
}

.assets-modal-body {
  overflow-y: auto;
  max-height: calc(88vh - 120px);
  padding-right: 4px;
}

/* Modal Dropzone */
.assets-dropzone {
  border: 2px dashed #3b4252;
  border-radius: 12px;
  background: rgba(30, 41, 59, 0.4);
  padding: 20px 20px;
  cursor: pointer;
  transition: all 0.2s ease;
  position: relative;
  text-align: center;
}

.assets-dropzone:hover, .assets-dropzone.drag-over {
  border-color: var(--accent);
  background: rgba(56, 189, 248, 0.08);
}

.dropzone-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.dropzone-icon-circle {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(56, 189, 248, 0.15);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}

.dropzone-info {
  flex: 1;
  text-align: left;
  min-width: 200px;
}

.dropzone-primary-text {
  font-size: 14px;
  color: var(--text-primary);
  margin: 0 0 2px;
}

.dropzone-secondary-text {
  font-size: 12px;
  color: var(--text-muted);
  margin: 0;
}

.btn-dropzone-upload {
  background: var(--accent);
  color: #0b0f19;
  border: none;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 600;
  padding: 8px 14px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: opacity 0.2s;
  flex-shrink: 0;
}

.btn-dropzone-upload:hover {
  opacity: 0.9;
}

.assets-uploading-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-top: 12px;
  font-size: 13px;
  color: var(--accent);
}

/* Gallery & Cards */
.assets-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 22px;
  margin-bottom: 12px;
  flex-wrap: wrap;
  gap: 8px;
}

.assets-count-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
}

.assets-help-hint {
  font-size: 12px;
  color: var(--text-secondary);
}

.assets-help-hint code {
  background: #1e293b;
  padding: 1px 4px;
  border-radius: 4px;
  color: var(--accent);
}

.assets-grid-scroll {
  min-height: 160px;
}

.assets-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: 12px;
}

.asset-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color 0.2s, transform 0.2s;
}

.asset-card:hover {
  border-color: rgba(56, 189, 248, 0.4);
  transform: translateY(-1px);
}

.asset-thumb-wrapper {
  height: 120px;
  background: #0b0f19;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}

.asset-thumbnail {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.asset-card:hover .asset-thumbnail {
  transform: scale(1.04);
}

.asset-file-icon {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  color: var(--text-muted);
}

.asset-file-icon i {
  font-size: 34px;
}

.file-pdf .asset-file-icon i {
  color: #ef4444;
}

.file-vector .asset-file-icon i {
  color: #8b5cf6;
}

.file-ext {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-secondary);
}

.asset-details {
  padding: 10px 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}

.asset-meta {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 8px;
}

.asset-name {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex: 1;
}

.asset-size {
  font-size: 11px;
  color: var(--text-muted);
  flex-shrink: 0;
}

.asset-actions {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: auto;
}

.btn-asset-action {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

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

.btn-asset-insert {
  flex: 1;
  padding: 5px 8px;
  font-size: 11px;
  font-weight: 600;
  gap: 5px;
  background: rgba(56, 189, 248, 0.12);
  border-color: rgba(56, 189, 248, 0.3);
  color: var(--accent);
}

.btn-asset-insert:hover {
  background: var(--accent);
  color: #0b0f19;
}

.btn-asset-copy, .btn-asset-delete {
  width: 28px;
  height: 28px;
  font-size: 12px;
}

.btn-asset-delete:hover {
  color: var(--error);
  border-color: rgba(239, 68, 68, 0.4);
}

.assets-empty-state {
  text-align: center;
  padding: 36px 16px;
  color: var(--text-muted);
}

.assets-empty-state i {
  font-size: 38px;
  margin-bottom: 8px;
  display: block;
}

.assets-empty-state p {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 4px;
}

.assets-empty-state span {
  font-size: 12px;
}

/* Studio Toast Notifications */
.studio-toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 2000;
  pointer-events: none;
}

.studio-toast {
  pointer-events: auto;
  min-width: 240px;
  max-width: 380px;
  padding: 10px 14px;
  border-radius: 8px;
  background: #1e293b;
  color: #f8fafc;
  font-size: 13px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  gap: 10px;
  border-left: 4px solid var(--accent);
  transform: translateY(20px);
  opacity: 0;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.studio-toast.visible {
  transform: translateY(0);
  opacity: 1;
}

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

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

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

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

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

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

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

.toast-error i {
  color: var(--error);
}

.toast-msg {
  flex: 1;
}

.toast-close {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 16px;
  cursor: pointer;
  padding: 0 4px;
}

.toast-close:hover {
  color: #fff;
}

/* ===================================================
   RESPONSIVE / MOBILE MEDIA QUERIES (<= 768px)
=================================================== */
@media (max-width: 768px) {
  /* Topbar */
  .studio-topbar {
    padding: 0 8px;
    height: 48px;
  }

  .topbar-left {
    gap: 6px;
  }

  .project-title-wrapper {
    max-width: 115px;
  }

  .project-title-text {
    font-size: 13px;
    max-width: 90px;
  }

  .topbar-center {
    gap: 6px;
  }

  .btn-recompile {
    padding: 5px 10px;
    font-size: 12px;
    gap: 4px;
  }

  .compile-status-pill {
    padding: 3px 8px;
    font-size: 11px;
  }

  .btn-topbar-action {
    padding: 5px 8px;
    font-size: 12px;
  }

  /* Segmented View Switcher is visible on mobile */
  .mobile-view-switcher {
    display: flex;
  }

  /* Workspace switches between Editor & Preview instead of side-by-side */
  .pane-resizer-horizontal {
    display: none !important;
  }

  .studio-workspace {
    flex-direction: row;
    position: relative;
    overflow: hidden;
  }

  .pane-editor,
  .pane-preview {
    flex: 1 1 100% !important;
    width: 100% !important;
    min-width: 100% !important;
    max-width: 100% !important;
    height: 100% !important;
  }

  .pane-editor.mobile-hidden,
  .pane-preview.mobile-hidden {
    display: none !important;
  }

  /* Bottom AGY Chat Drawer comes up higher on mobile */
  .studio-chat-drawer {
    height: 50vh;
    height: 50dvh;
    max-height: 82dvh;
  }

  .studio-chat-drawer.expanded {
    height: 85vh !important;
    height: 85dvh !important;
  }

  .studio-chat-drawer.collapsed {
    height: 44px !important;
  }

  .chat-header {
    padding: 0 10px;
  }

  .chat-quick-chips-bar {
    padding: 5px 10px;
  }

  .chat-messages {
    padding: 8px 10px;
  }

  .msg-content {
    max-width: 90%;
    font-size: 13px;
  }

  .chat-input-wrapper {
    padding: 6px 10px 10px;
  }

  #chat-input {
    font-size: 16px; /* Prevents auto-zoom in mobile Safari */
  }

  .assets-modal-card {
    width: 96%;
    padding: 16px;
    max-height: 92vh;
  }

  .assets-grid {
    grid-template-columns: 1fr;
  }

  .dropzone-content {
    flex-direction: column;
    text-align: center;
  }

  .dropzone-info {
    text-align: center;
  }

  .studio-toast-container {
    left: 16px;
    right: 16px;
    bottom: 54px;
    align-items: center;
  }

  .studio-toast {
    max-width: 100%;
    width: 100%;
  }
}