/* StorySmith Theme System - Light and Dark Modes */

:root {
  /* Light Mode Colors */
  --bg: #FAFAFB;          /* page background */
  --bg-panel: #FFFFFF;    /* cards/panels */
  --text: #1D2D44;        /* primary text */
  --muted: #6B7A90;       /* secondary text */
  --border: #E8ECF3;      /* subtle borders */
  --shadow: 0 6px 24px rgba(13, 23, 38, 0.08);
  --radius: 12px;
  --brand: #39B3A6;       /* primary action (teal) */
  --brand-600: #2A9B90;
  --brand-hover: #2A9B90;
  --accent: #F5B042;      /* secondary (orange) */
  --danger: #E45A5A;      /* destructive */
  --nav-1: #0C1A2B;       /* sidebar top */
  --nav-2: #142B45;       /* sidebar bottom */
  --nav-text: #DCE6F7;    /* sidebar inactive text */
  --nav-text-active: #FFFFFF; /* sidebar active text */
  --nav-hover: rgba(255, 255, 255, 0.06);
  --nav-active: rgba(255, 255, 255, 0.12);
}

[data-theme="dark"] {
  /* Dark Mode Colors */
  --bg: #0D1117;          /* page background */
  --bg-panel: #161B22;    /* cards/panels */
  --text: #E6EDF3;        /* primary text */
  --muted: #8B949E;       /* secondary text */
  --border: #30363D;      /* subtle borders */
  --shadow: 0 6px 24px rgba(0, 0, 0, 0.3);
  --radius: 12px;
  --brand: #39B3A6;       /* primary action (teal) */
  --brand-600: #2A9B90;
  --brand-hover: #47C4B6;
  --accent: #F5B042;      /* secondary (orange) */
  --danger: #E45A5A;      /* destructive */
  --nav-1: #0C1A2B;       /* sidebar top */
  --nav-2: #142B45;       /* sidebar bottom */
  --nav-text: #DCE6F7;    /* sidebar inactive text */
  --nav-text-active: #FFFFFF; /* sidebar active text */
  --nav-hover: rgba(255, 255, 255, 0.08);
  --nav-active: rgba(255, 255, 255, 0.15);
}

/* Base Styles */
* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  font: 16px/1.5 "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  color: var(--text);
  transition: background-color 0.3s ease, color 0.3s ease;
}

/* Layout */
.app-container {
  display: grid;
  grid-template-columns: 260px 1fr;
  min-height: 100vh;
}

@media (max-width: 768px) {
  .app-container {
    grid-template-columns: 1fr;
  }
  
  .sidebar {
    position: fixed;
    top: 0;
    left: -260px;
    z-index: 1000;
    transition: left 0.3s ease;
  }
  
  .sidebar.open {
    left: 0;
  }
}

/* Sidebar */
.sidebar {
  background: linear-gradient(180deg, var(--nav-1), var(--nav-2));
  color: var(--nav-text-active);
  display: flex;
  flex-direction: column;
  padding: 20px 16px;
  gap: 16px;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
}

.sidebar-logo .logo-mark {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--brand), var(--accent));
  display: grid;
  place-items: center;
  color: #0c1a2b;
  font-weight: 800;
  font-size: 16px;
}

.sidebar-logo .logo-title {
  font-weight: 700;
  letter-spacing: 0.2px;
  font-size: 18px;
}

.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 8px;
  flex: 1;
}

.sidebar-nav button,
.sidebar-nav a {
  all: unset;
  display: flex;
  gap: 10px;
  align-items: center;
  padding: 10px 12px;
  border-radius: 10px;
  color: var(--nav-text);
  cursor: pointer;
  text-decoration: none;
  transition: all 0.2s ease;
}

.sidebar-nav button:hover,
.sidebar-nav a:hover {
  background: var(--nav-hover);
}

.sidebar-nav button.active,
.sidebar-nav a.active,
.sidebar-nav a.nav-link.active {
  background: var(--nav-active);
  color: var(--nav-text-active);
}

.sidebar-footer {
  opacity: 0.75;
  font-size: 16px;
  color: var(--nav-text);
  padding: 8px 12px;
}

/* Topbar */
.topbar {
  position: sticky;
  top: 0;
  background: var(--bg-panel);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
  z-index: 5;
  transition: background-color 0.3s ease, border-color 0.3s ease;
}

.breadcrumbs {
  color: var(--muted);
  font-size: 16px;
  font-weight: 500;
}

.topbar-actions {
  display: flex;
  gap: 10px;
}

/* Buttons */
.btn {
  border: none;
  border-radius: 10px;
  padding: 10px 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  font-size: 16px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.btn.primary {
  background: var(--brand);
  color: #fff;
}

.btn.primary:hover {
  background: var(--brand-hover);
}

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

.btn.secondary:hover {
  background: #FFC266;
}

.btn.ghost {
  background: var(--bg-panel);
  color: var(--text);
  border: 1px solid var(--border);
}

.btn.ghost:hover {
  background: var(--bg);
  border-color: var(--brand);
}

.btn.danger {
  background: var(--danger);
  color: #fff;
}

.btn.danger:hover {
  background: #D04545;
}

/* Content Area */
.main-content {
  background: var(--bg);
  min-height: 100vh;
  padding: 24px;
  transition: background-color 0.3s ease;
}

/* Cards */
.card {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: background-color 0.3s ease, border-color 0.3s ease;
}

.card-header {
  padding: 16px 16px 0;
  margin: 0;
  font-size: 19px;
  font-weight: 600;
  color: var(--text);
}

.card-body {
  padding: 16px;
}

.card-title {
  margin: 0 0 16px 0;
  font-size: 19px;
  font-weight: 600;
  color: var(--text);
}

/* Modals - solid panel so content is readable (used with .modal-overlay from landing.css) */
.modal-container {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  width: 100%;
  max-width: 520px;
  position: relative;
  color: var(--text);
  overflow: hidden;
}

.modal-container .modal-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
  margin: 0;
  color: var(--text);
}

.modal-container .modal-header h2 {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text);
}

/* Grid Layout */
.grid {
  display: grid;
  gap: 18px;
}

.grid.cols-2 {
  grid-template-columns: 1.2fr 0.8fr;
}

.grid.cols-3 {
  grid-template-columns: repeat(3, 1fr);
}

@media (max-width: 1100px) {
  .grid.cols-2,
  .grid.cols-3 {
    grid-template-columns: 1fr;
  }
}

/* Tables */
.table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
}

.table th,
.table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  text-align: left;
}

.table th {
  color: var(--muted);
  font-weight: 600;
  font-size: 16px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.table tbody tr:hover td {
  background: var(--bg);
}

.table tbody tr:last-child td {
  border-bottom: none;
}

/* Forms - single source of truth for all inputs, selects, textareas app-wide */
.form-label {
  font-weight: 600;
  color: var(--muted);
  font-size: 18px;
  margin-bottom: 6px;
  display: block;
}

.form-control,
.form-select,
.form-input,
.form-textarea,
input[type="text"],
input[type="number"],
input[type="email"],
input[type="password"],
input[type="search"],
input[type="tel"],
input[type="url"],
select,
textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  background-color: var(--bg-panel) !important;
  color: var(--text) !important;
  font-size: 16px;
  font-family: inherit;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

/* Placeholder - always readable against theme */
.form-control::placeholder,
.form-input::placeholder,
.form-textarea::placeholder,
input::placeholder,
textarea::placeholder {
  color: var(--muted) !important;
  opacity: 1;
}

/* Focus - keep same contrast */
.form-control:focus,
.form-select:focus,
.form-input:focus,
.form-input:active,
.form-input:focus-visible,
.form-textarea:focus,
.form-textarea:active,
.form-textarea:focus-visible,
input:focus,
input:active,
input:focus-visible,
select:focus,
select:active,
select:focus-visible,
textarea:focus,
textarea:active,
textarea:focus-visible {
  outline: none !important;
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(57, 179, 166, 0.15);
  background-color: var(--bg-panel) !important;
  color: var(--text) !important;
}

/* Dropdown options - same theme so options are visible (not light-on-white) */
select option {
  background-color: var(--bg-panel);
  color: var(--text);
}

/* Credits display - single class for all credit amounts (header, panels, modals).
   Clean, readable sans-serif so credits are easy to read in header and AI toolbar. */
.credit-amount {
  font-family: "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  letter-spacing: 0.02em;
  -webkit-font-smoothing: antialiased;
}

/* Cost badge (e.g. "~32 credits" in editor toolbar) - same clean font, readable size */
.cost-badge {
  font-family: "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
  font-size: 15px;
  font-weight: 600;
  -webkit-font-smoothing: antialiased;
}

/* Prevent browser autofill from forcing white background */
.form-control:-webkit-autofill,
.form-input:-webkit-autofill,
.form-textarea:-webkit-autofill,
input:-webkit-autofill,
textarea:-webkit-autofill {
  -webkit-box-shadow: 0 0 0 1000px var(--bg-panel) inset !important;
  box-shadow: 0 0 0 1000px var(--bg-panel) inset !important;
  -webkit-text-fill-color: var(--text) !important;
}

.form-range {
  width: 100%;
  height: 8px;
  border-radius: 8px;
  background: var(--border);
  outline: none;
  -webkit-appearance: none;
}

.form-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--brand);
  cursor: pointer;
}

.form-range::-moz-range-thumb {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--brand);
  cursor: pointer;
  border: none;
}

/* Separator */
.separator {
  height: 1px;
  background: var(--border);
  margin: 12px 0;
}

/* Utilities */
.text-muted {
  color: var(--muted);
}

.text-small {
  font-size: 14px;
}

/* Progress Bars */
.progress {
  height: 8px;
  background: var(--border);
  border-radius: 8px;
  overflow: hidden;
}

.progress-bar {
  display: block;
  height: 100%;
  background: var(--brand);
  transition: width 0.3s ease;
}

.progress-bar.accent {
  background: var(--accent);
}

/* Scene Editor Specific */
.editor-layout {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 16px;
}

@media (max-width: 1100px) {
  .editor-layout {
    grid-template-columns: 1fr;
  }
}

.pill-tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.pill-tabs button,
.pill-tab {
  border: 1px solid var(--border);
  background: var(--bg-panel);
  border-radius: 999px;
  padding: 8px 16px;
  cursor: pointer;
  color: var(--muted);
  font-size: 16px;
  font-weight: 500;
  transition: all 0.2s ease;
}

.pill-tabs button:hover,
.pill-tab:hover {
  background: var(--bg);
  color: var(--text);
}

.pill-tabs button.active,
.pill-tab.active {
  background: var(--brand);
  color: #fff;
  border-color: var(--brand);
}

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.kpi-stat {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px;
  text-align: center;
}

.kpi-stat .label {
  color: var(--muted);
  font-size: 15px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 4px;
}

.kpi-stat .value {
  font-weight: 600;
  color: var(--text);
  font-size: 16px;
}

/* Alert Messages */
.alert {
  padding: 12px 16px;
  border-radius: 8px;
  border: 1px solid;
  margin-bottom: 16px;
}

.alert-info {
  background: rgba(57, 179, 166, 0.1);
  border-color: var(--brand);
  color: var(--text);
}

.alert-success {
  background: rgba(57, 179, 166, 0.1);
  border-color: var(--brand);
  color: var(--text);
}

.alert-warning {
  background: rgba(245, 176, 66, 0.1);
  border-color: var(--accent);
  color: var(--text);
}

.alert-danger {
  background: rgba(228, 90, 90, 0.1);
  border-color: var(--danger);
  color: var(--text);
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 8px;
  border-radius: 6px;
  font-size: 15px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.badge.bg-info,
.badge.bg-primary {
  background: var(--brand);
  color: #fff;
}

.badge.bg-success {
  background: rgba(57, 179, 166, 0.2);
  color: var(--brand);
}

.badge.bg-secondary {
  background: var(--muted);
  color: #fff;
}

.badge.bg-warning {
  background: var(--accent);
  color: var(--text);
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .main-content {
    padding: 16px;
  }
  
  .topbar {
    padding: 12px 16px;
  }
  
  .sidebar {
    width: 100%;
    max-width: 260px;
  }
}

/* ==========================================================================
   UI utilities & component classes - single source for app-wide styling.
   Use these classes instead of inline styles. Variables work in both
   theme and writer (landing) contexts when writer layout sets --text/--muted.
   ========================================================================== */

/* Writer layout: map landing vars so u-* utilities work in writer UI */
.writer-layout-container {
  --text: var(--landing-text);
  --muted: var(--landing-muted);
  --brand: var(--landing-primary);
  --bg-panel: var(--landing-panel);
  --border: rgba(247, 248, 252, 0.1);
}

/* Flex layout */
.u-flex { display: flex; }
.u-flex-col { display: flex; flex-direction: column; }
.u-flex-wrap { flex-wrap: wrap; }
.u-items-center { align-items: center; }
.u-items-start { align-items: flex-start; }
.u-justify-between { justify-content: space-between; }
.u-justify-center { justify-content: center; }
.u-gap-6 { gap: 6px; }
.u-gap-8 { gap: 8px; }
.u-gap-12 { gap: 12px; }
.u-gap-16 { gap: 16px; }
.u-gap-20 { gap: 20px; }
.u-gap-24 { gap: 24px; }
.u-flex-1 { flex: 1; }
.u-flex-1-equal { flex: 1; }

/* Grid */
.u-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.u-grid-2fr-1fr { display: grid; grid-template-columns: 2fr 1fr; gap: 24px; }

/* Spacing */
.u-m-0 { margin: 0; }
.u-mb-4 { margin-bottom: 4px; }
.u-mb-8 { margin-bottom: 8px; }
.u-mb-12 { margin-bottom: 12px; }
.u-mb-16 { margin-bottom: 16px; }
.u-mb-20 { margin-bottom: 20px; }
.u-mb-24 { margin-bottom: 24px; }
.u-mt-4 { margin-top: 4px; }
.u-mt-8 { margin-top: 8px; }
.u-mt-16 { margin-top: 16px; }
.u-mt-20 { margin-top: 20px; }
.u-ml-16 { margin-left: 16px; }
.u-p-8 { padding: 8px; }
.u-p-12 { padding: 12px; }
.u-p-16 { padding: 16px; }
.u-p-24 { padding: 24px; }
.u-p-60 { padding: 60px; }
.u-py-16 { padding-top: 16px; padding-bottom: 16px; }
.u-px-20 { padding-left: 20px; padding-right: 20px; }
.u-pt-16 { padding-top: 16px; }
.u-pb-16 { padding-bottom: 16px; }

/* Typography */
.u-text-muted { color: var(--muted); }
.u-text-primary { color: var(--text); }
.u-text-brand { color: var(--brand); }
.u-text-xs { font-size: 11px; }
.u-text-sm { font-size: 12px; }
.u-text-md { font-size: 14px; }
.u-text-lg { font-size: 18px; }
.u-text-xl { font-size: 20px; }
.u-text-2xl { font-size: 28px; }
.u-text-center { text-align: center; }
.u-font-semibold { font-weight: 600; }
.u-font-bold { font-weight: 700; }
.u-line-height-loose { line-height: 1.8; }
.u-list-inside { list-style-position: inside; padding-left: 20px; }

/* Empty / loading states */
.u-empty-state {
  text-align: center;
  color: var(--muted);
  padding: 60px 24px;
}
.u-empty-state-icon {
  font-size: 48px;
  margin-bottom: 16px;
}
.u-empty-state-title {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
}
.u-empty-state-desc { font-size: 14px; }
.u-loading-state {
  text-align: center;
  color: var(--muted);
  padding: 40px;
}
.u-loading-icon { font-size: 32px; margin-bottom: 8px; }
.u-loading-text { font-size: 14px; }
.u-loading-inline { color: var(--muted); }

/* Alerts / messages */
.u-alert {
  padding: 16px;
  border-radius: 12px;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}
.u-alert-error {
  background: rgba(228, 90, 90, 0.1);
  border: 1px solid rgba(228, 90, 90, 0.3);
  color: #ff6b6b;
}
.u-alert-success {
  background: rgba(57, 179, 166, 0.1);
  border: 1px solid rgba(57, 179, 166, 0.3);
  color: var(--brand);
}
.u-alert-dismiss {
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  margin-left: 16px;
}
.u-alert-dismiss.u-alert-error { color: #ff6b6b; }
.u-alert-dismiss.u-alert-success { color: var(--brand); }

/* Buttons */
.u-btn-icon {
  padding: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(247, 248, 252, 0.05);
  border: 1px solid rgba(247, 248, 252, 0.1);
  border-radius: 6px;
  color: var(--text);
  cursor: pointer;
  transition: all 0.2s;
  font-size: 18px;
}
.u-btn-secondary-sm { padding: 8px 16px; font-size: 14px; }
.u-btn-sm { padding: 6px 12px; font-size: 13px; }
.u-btn-mt { margin-top: 8px; }
.u-cursor-pointer { cursor: pointer; }

/* Credits & header */
.u-credits-container {
  display: flex;
  align-items: center;
  gap: 6px;
}
.u-credits-help-icon {
  cursor: pointer;
  color: var(--muted);
  font-size: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: rgba(247, 248, 252, 0.1);
  transition: all 0.2s;
}
.u-credits-help-icon:hover {
  background: rgba(57, 179, 166, 0.2);
  color: var(--brand);
}

/* Links */
.u-link-plain {
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Panels / cards */
.u-panel {
  background: var(--bg-panel);
  border: 1px solid rgba(247, 248, 252, 0.1);
  border-radius: 16px;
  padding: 24px;
}
.u-panel-sticky { position: sticky; top: 94px; }
.u-panel-section { margin-bottom: 24px; }
.u-panel-section-title { margin: 0 0 24px 0; font-size: 20px; font-weight: 600; color: var(--text); }
.u-panel-section-title-sm { margin: 0 0 16px 0; font-size: 20px; font-weight: 600; color: var(--text); }
.u-hint { color: var(--muted); font-size: 12px; margin-top: 4px; }
.u-hint-mb { margin-bottom: 4px; }
.u-value-row { color: var(--text); font-weight: 600; }

/* Tree / status (static part; dynamic background stays inline) */
.u-tree-handle {
  cursor: move;
  color: var(--muted);
  padding: 0 4px;
}
.u-tree-handle-sm { font-size: 10px; }
.u-tree-loading { color: var(--muted); font-size: 11px; padding-left: 24px; padding-top: 4px; }

/* Progress bar track (bar fill width stays inline) */
.u-progress-track {
  width: 100%;
  height: 8px;
  background: rgba(247, 248, 252, 0.1);
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 8px;
}
.u-progress-fill { height: 100%; background: var(--brand); transition: width 0.3s ease; }
.u-progress-label { color: var(--text); font-size: 14px; font-weight: 600; }

/* Character list / checkbox group */
.u-char-list {
  border: 1px solid rgba(247, 248, 252, 0.1);
  border-radius: 8px;
  padding: 12px;
  max-height: 200px;
  overflow-y: auto;
  background: rgba(247, 248, 252, 0.02);
}
.u-char-item { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; }
.u-char-label { flex: 1; cursor: pointer; color: var(--text); font-size: 14px; }
.u-badge-pov {
  background: var(--brand);
  color: #050816;
  padding: 2px 8px;
  border-radius: 12px;
  font-size: 14px;
  margin-left: 8px;
  font-weight: 600;
}
.u-divider { margin-top: 20px; padding-top: 16px; border-top: 1px solid rgba(247, 248, 252, 0.1); }
.u-cost-box {
  margin-bottom: 12px;
  padding: 8px;
  background: rgba(57, 179, 166, 0.1);
  border: 1px solid rgba(57, 179, 166, 0.3);
  border-radius: 6px;
  font-size: 14px;
}
.u-cost-box-row { display: flex; justify-content: space-between; align-items: center; }
.u-input-group { display: flex; gap: 12px; margin-top: 8px; }
.u-check-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 8px; font-size: 12px; }
.u-context-box {
  margin-bottom: 16px;
  padding: 12px;
  background: rgba(247, 248, 252, 0.03);
  border: 1px solid rgba(247, 248, 252, 0.1);
  border-radius: 8px;
}
.u-context-box-label { font-size: 13px; margin-bottom: 8px; }
.u-checkbox-row { display: flex; align-items: center; gap: 6px; cursor: pointer; }
.u-btn-full { width: 100%; padding: 12px; font-size: 14px; margin-bottom: 12px; }
.u-textarea-mono { resize: vertical; font-family: 'Courier New', monospace; }
.u-cost-box-accent {
  margin-bottom: 8px;
  padding: 8px;
  background: rgba(245, 176, 66, 0.1);
  border: 1px solid rgba(245, 176, 66, 0.3);
  border-radius: 6px;
  font-size: 14px;
}
.u-cost-box-accent .u-cost-box-row { color: inherit; }
.u-small-hint { font-size: 11px; color: var(--muted); margin-top: 4px; }
.u-token-badge { padding: 4px 8px; background: rgba(57, 179, 166, 0.2); color: var(--brand); border-radius: 6px; font-size: 11px; font-weight: 600; }
.u-empty-mini { text-align: center; color: var(--muted); padding: 30px; }
.u-empty-mini-icon { font-size: 24px; margin-bottom: 8px; }
.u-cost-box-lg { padding: 10px; border-radius: 8px; font-size: 13px; }

/* Workspace offset (when fixed header) */
.u-workspace-mt { margin-top: 70px; }

/* Stored selection highlight in editor (when user is in Chat tab so selection stays visible) */
.stored-selection-highlight {
  background: rgba(57, 179, 166, 0.25);
  border-radius: 2px;
}