/* ==========================================================================
   TTX Case Platform — Design System
   Self-hosted, no external CSS dependency. Dark "SOC console" aesthetic.
   ========================================================================== */

/* ---------- Design tokens ---------- */
:root {
  /* Surfaces */
  --bg-canvas: #0a0e15;
  --bg-surface: #10141d;
  --bg-surface-raised: #151b26;
  --bg-surface-hover: #1a2130;
  --bg-inset: #0c1019;

  /* Borders */
  --border-subtle: #1d2432;
  --border-default: #262e40;
  --border-strong: #384156;

  /* Text */
  --text-primary: #e7ebf2;
  --text-secondary: #9aa5bb;
  --text-tertiary: #6b7488;
  --text-on-accent: #06101f;

  /* Accent (brand / primary action) */
  --accent: #4c8dff;
  --accent-hover: #6fa2ff;
  --accent-active: #3a76e0;
  --accent-muted: rgba(76, 141, 255, 0.14);
  --accent-border: rgba(76, 141, 255, 0.35);

  /* Semantic */
  --danger: #f85149;
  --danger-muted: rgba(248, 81, 73, 0.14);
  --success: #3fb950;
  --success-muted: rgba(63, 185, 80, 0.14);
  --warning: #d29922;
  --warning-muted: rgba(210, 153, 34, 0.14);

  /* Status colors (workflow state — distinct hue family from severity) */
  --status-new: #8b98b3;
  --status-new-bg: rgba(139, 152, 179, 0.14);
  --status-triage: #d29922;
  --status-triage-bg: rgba(210, 153, 34, 0.14);
  --status-investigating: #4c8dff;
  --status-investigating-bg: rgba(76, 141, 255, 0.14);
  --status-contained: #39c5cf;
  --status-contained-bg: rgba(57, 197, 207, 0.14);
  --status-closed: #6b7488;
  --status-closed-bg: rgba(107, 116, 136, 0.16);

  /* Severity colors (impact scale — green -> red) */
  --sev-low: #3fb950;
  --sev-low-bg: rgba(63, 185, 80, 0.14);
  --sev-medium: #d29922;
  --sev-medium-bg: rgba(210, 153, 34, 0.14);
  --sev-high: #e8833a;
  --sev-high-bg: rgba(232, 131, 58, 0.16);
  --sev-critical: #f85149;
  --sev-critical-bg: rgba(248, 81, 73, 0.18);
  --sev-critical-border: rgba(248, 81, 73, 0.5);

  /* Typography */
  --font-ui: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --text-xs: 0.75rem;
  --text-sm: 0.8125rem;
  --text-base: 0.9375rem;
  --text-md: 1.0625rem;
  --text-lg: 1.25rem;
  --text-xl: 1.5rem;
  --text-2xl: 1.875rem;

  /* Spacing scale (4px base) */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;

  /* Radius */
  --radius-sm: 5px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-full: 999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.45);
  --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.55);
  --shadow-focus: 0 0 0 3px var(--accent-muted);

  --transition-fast: 120ms ease;
  --transition-base: 180ms ease;
}

/* ---------- Reset ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background-color: var(--bg-canvas);
  background-image:
    radial-gradient(circle at 15% 0%, rgba(76, 141, 255, 0.06), transparent 45%),
    radial-gradient(circle at 85% 20%, rgba(63, 185, 80, 0.04), transparent 40%);
  background-attachment: fixed;
  color: var(--text-primary);
  font-family: var(--font-ui);
  font-size: var(--text-base);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.25;
  margin: 0 0 var(--space-2);
  letter-spacing: -0.01em;
}

h1 { font-size: var(--text-2xl); }
h2 { font-size: var(--text-xl); }
h3 { font-size: var(--text-lg); }
h4 { font-size: var(--text-md); }

p { margin: 0 0 var(--space-3); }

a {
  color: var(--accent);
  text-decoration: none;
  transition: color var(--transition-fast);
}
a:hover { color: var(--accent-hover); }
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible,
[tabindex]:focus-visible {
  outline: none;
  box-shadow: var(--shadow-focus);
  border-radius: var(--radius-sm);
}

hr {
  border: none;
  border-top: 1px solid var(--border-subtle);
  margin: var(--space-4) 0;
}

svg { display: block; }

/* ---------- Layout ---------- */
.container {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.page {
  padding: var(--space-8) 0 var(--space-12);
}

.stack {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

/* ---------- Navbar ---------- */
.navbar {
  background-color: rgba(16, 20, 29, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-subtle);
  position: sticky;
  top: 0;
  z-index: 50;
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--text-primary);
  font-weight: 700;
  font-size: var(--text-md);
  letter-spacing: -0.01em;
}
.brand:hover { color: var(--text-primary); }

.brand-mark {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: var(--radius-md);
  background: linear-gradient(155deg, var(--accent) 0%, #7c5cff 100%);
  color: #061021;
  flex-shrink: 0;
}

.brand-sub {
  color: var(--text-tertiary);
  font-weight: 500;
  font-size: var(--text-xs);
  margin-left: var(--space-1);
  padding-left: var(--space-2);
  border-left: 1px solid var(--border-default);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.navbar-actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.navbar-user {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--text-secondary);
  font-size: var(--text-sm);
}

.navbar-user-avatar {
  width: 26px;
  height: 26px;
  border-radius: var(--radius-full);
  background: var(--bg-surface-hover);
  border: 1px solid var(--border-default);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--text-primary);
  text-transform: uppercase;
}

.navbar-divider {
  width: 1px;
  height: 22px;
  background: var(--border-default);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: inherit;
  font-size: var(--text-sm);
  font-weight: 600;
  line-height: 1;
  padding: 0.55rem 0.9rem;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background-color var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }

.btn-primary {
  background-color: var(--accent);
  color: var(--text-on-accent);
  border-color: var(--accent);
}
.btn-primary:hover {
  background-color: var(--accent-hover);
  border-color: var(--accent-hover);
  color: var(--text-on-accent);
}

.btn-secondary {
  background-color: var(--bg-surface-raised);
  color: var(--text-primary);
  border-color: var(--border-default);
}
.btn-secondary:hover {
  background-color: var(--bg-surface-hover);
  border-color: var(--border-strong);
  color: var(--text-primary);
}

.btn-ghost {
  background-color: transparent;
  color: var(--text-secondary);
  border-color: transparent;
}
.btn-ghost:hover {
  background-color: var(--bg-surface-hover);
  color: var(--text-primary);
}

.btn-sm {
  padding: 0.4rem 0.7rem;
  font-size: var(--text-xs);
}

.btn-block { width: 100%; }

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

.card-body { padding: var(--space-6); }

.card-header {
  padding: var(--space-4) var(--space-6);
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}

.card-header h3, .card-header h4 { margin: 0; }

/* ---------- Page header ---------- */
.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
  flex-wrap: wrap;
}

.page-header-title {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.page-eyebrow {
  color: var(--text-tertiary);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.page-header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

/* ---------- Badges / pills ---------- */
.pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  padding: 0.28em 0.7em;
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
  line-height: 1.4;
  white-space: nowrap;
  border: 1px solid transparent;
}

.pill-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  flex-shrink: 0;
}

.pill-status-new { color: var(--status-new); background: var(--status-new-bg); }
.pill-status-triage { color: var(--status-triage); background: var(--status-triage-bg); }
.pill-status-investigating { color: var(--status-investigating); background: var(--status-investigating-bg); }
.pill-status-contained { color: var(--status-contained); background: var(--status-contained-bg); }
.pill-status-closed { color: var(--status-closed); background: var(--status-closed-bg); }

.pill-sev-low { color: var(--sev-low); background: var(--sev-low-bg); }
.pill-sev-medium { color: var(--sev-medium); background: var(--sev-medium-bg); }
.pill-sev-high { color: var(--sev-high); background: var(--sev-high-bg); }
.pill-sev-critical {
  color: var(--sev-critical);
  background: var(--sev-critical-bg);
  border-color: var(--sev-critical-border);
}

/* ---------- Table ---------- */
.table-wrap {
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-surface);
}

table.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-sm);
}

.data-table thead th {
  text-align: left;
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-tertiary);
  background: var(--bg-surface-raised);
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--border-default);
}

.data-table tbody tr {
  border-bottom: 1px solid var(--border-subtle);
  transition: background-color var(--transition-fast);
}
.data-table tbody tr:last-child { border-bottom: none; }
.data-table tbody tr:hover { background-color: var(--bg-surface-hover); }

.data-table td {
  padding: var(--space-3) var(--space-4);
  color: var(--text-secondary);
  vertical-align: middle;
}

.case-title-cell a {
  color: var(--text-primary);
  font-weight: 600;
  font-size: var(--text-base);
}
.case-title-cell a:hover { color: var(--accent); }

.case-id {
  font-family: var(--font-mono);
  color: var(--text-tertiary);
  font-size: var(--text-xs);
  margin-right: var(--space-2);
}

.cell-muted { color: var(--text-tertiary); }
.cell-mono { font-family: var(--font-mono); font-size: var(--text-xs); color: var(--text-tertiary); }

/* ---------- Dual timezone display (local + UTC) ---------- */
.dual-time {
  display: inline-flex;
  flex-direction: column;
  gap: 1px;
  line-height: 1.3;
}
.dual-time-primary {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--text-secondary);
}
.dual-time-secondary {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--text-tertiary);
}

/* ---------- Person chip ---------- */
.person {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

.person-avatar {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--bg-surface-hover);
  border: 1px solid var(--border-default);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.625rem;
  font-weight: 700;
  color: var(--text-secondary);
  text-transform: uppercase;
  flex-shrink: 0;
}

/* ---------- Collaborators ---------- */
.collaborator-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-1);
  margin-bottom: var(--space-3);
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.25rem 0.4rem 0.25rem 0.4rem;
  border-radius: var(--radius-full);
  background: var(--bg-surface-raised);
  border: 1px solid var(--border-default);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-primary);
}

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

.chip-remove-form { display: inline-flex; }

.chip-remove {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: none;
  background: transparent;
  color: var(--text-tertiary);
  cursor: pointer;
  transition: background-color var(--transition-fast), color var(--transition-fast);
}
.chip-remove:hover { background: var(--danger-muted); color: var(--danger); }

.collaborator-add-form {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  max-width: 22rem;
}
.collaborator-add-form select,
.collaborator-add-form input[type="text"] { flex: 1; }

/* ---------- Empty state ---------- */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--space-12) var(--space-6);
  color: var(--text-secondary);
}

.empty-state-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-lg);
  background: var(--bg-surface-raised);
  border: 1px solid var(--border-default);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-tertiary);
  margin-bottom: var(--space-4);
}

.empty-state h3 { color: var(--text-primary); margin-bottom: var(--space-1); }
.empty-state p { color: var(--text-tertiary); max-width: 32rem; }
.empty-state .btn { margin-top: var(--space-4); }

/* ---------- Pagination ---------- */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  margin-top: var(--space-6);
}

.page-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 0.45rem 0.85rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-default);
  background: var(--bg-surface-raised);
  color: var(--text-secondary);
  font-size: var(--text-sm);
  font-weight: 500;
}
.page-link:hover { background: var(--bg-surface-hover); color: var(--text-primary); }

.page-status {
  color: var(--text-tertiary);
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  padding: 0 var(--space-2);
}

.page-link-disabled {
  opacity: 0.35;
  pointer-events: none;
}

/* ---------- Forms ---------- */
.form-field { margin-bottom: var(--space-5); }
.form-field:last-child { margin-bottom: 0; }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.form-hint {
  color: var(--text-tertiary);
  font-size: var(--text-xs);
  margin-top: var(--space-1);
}

.form-error {
  color: var(--danger);
  font-size: var(--text-xs);
  margin-top: var(--space-1);
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.form-control,
input[type="text"],
input[type="password"],
input[type="email"],
input[type="search"],
textarea,
select {
  display: block;
  width: 100%;
  font-family: inherit;
  font-size: var(--text-sm);
  color: var(--text-primary);
  background-color: var(--bg-inset);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  padding: 0.6rem 0.75rem;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control::placeholder,
textarea::placeholder { color: var(--text-tertiary); }

.form-control:focus,
input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: var(--shadow-focus);
}

textarea { resize: vertical; min-height: 5rem; }

input[type="file"] {
  display: block;
  width: 100%;
  font-family: inherit;
  font-size: var(--text-sm);
  color: var(--text-secondary);
  background-color: var(--bg-inset);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  padding: 0.5rem 0.75rem;
}
input[type="file"]::file-selector-button {
  font-family: inherit;
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--text-primary);
  background-color: var(--bg-surface-raised);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-sm);
  padding: 0.35rem 0.7rem;
  margin-right: var(--space-3);
  cursor: pointer;
  transition: background-color var(--transition-fast), border-color var(--transition-fast);
}
input[type="file"]::file-selector-button:hover {
  background-color: var(--bg-surface-hover);
  border-color: var(--border-strong);
}
input[type="file"]:focus-visible {
  outline: none;
  border-color: var(--accent);
  box-shadow: var(--shadow-focus);
}

select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6' fill='none'%3E%3Cpath d='M1 1L5 5L9 1' stroke='%239aa5bb' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  padding-right: 2.25rem;
}

.form-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-top: var(--space-6);
  padding-top: var(--space-5);
  border-top: 1px solid var(--border-subtle);
}

.form-section-title {
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-tertiary);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--border-subtle);
}

.form-section + .form-section { margin-top: var(--space-8); }

/* ---------- Alerts / messages ---------- */
.alert {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  border: 1px solid var(--accent-border);
  background: var(--accent-muted);
  color: var(--text-primary);
  font-size: var(--text-sm);
  margin-bottom: var(--space-4);
}
.alert-danger {
  border-color: rgba(248, 81, 73, 0.4);
  background: var(--danger-muted);
}

/* ---------- Case detail meta ---------- */
.meta-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-5);
}

.meta-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.meta-label {
  font-size: var(--text-xs);
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}

.meta-value {
  font-size: var(--text-sm);
  color: var(--text-primary);
  font-weight: 500;
}

.description-block {
  color: var(--text-secondary);
  font-size: var(--text-sm);
  line-height: 1.7;
}

/* ---------- Triage note timeline ---------- */
.section-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-4);
}

.section-heading h3 {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.count-chip {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--text-tertiary);
  background: var(--bg-surface-raised);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-full);
  padding: 0.1rem 0.55rem;
}

.timeline {
  position: relative;
}

.timeline-item {
  position: relative;
  display: flex;
  gap: var(--space-4);
  padding-bottom: var(--space-6);
}

.timeline-item:last-child { padding-bottom: 0; }

.timeline-rail {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex-shrink: 0;
}

.timeline-dot {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--bg-surface-raised);
  border: 1px solid var(--border-default);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--text-secondary);
  text-transform: uppercase;
  z-index: 1;
}

.timeline-line {
  width: 1px;
  flex: 1;
  background: var(--border-subtle);
  margin-top: var(--space-1);
}

.timeline-content {
  flex: 1;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  min-width: 0;
}

.timeline-header {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
  margin-bottom: var(--space-2);
  flex-wrap: wrap;
}

.timeline-author {
  font-weight: 600;
  color: var(--text-primary);
  font-size: var(--text-sm);
}

.timeline-time {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--text-tertiary);
}

.timeline-body {
  color: var(--text-secondary);
  font-size: var(--text-sm);
  line-height: 1.65;
  white-space: pre-wrap;
}

.timeline-body p:last-child { margin-bottom: 0; }

/* ---------- Note image attachments ---------- */
.note-images {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-3);
}

.note-image-thumb {
  display: block;
  width: 96px;
  height: 96px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-default);
  overflow: hidden;
  background: var(--bg-inset);
  transition: border-color var(--transition-fast);
}
.note-image-thumb:hover { border-color: var(--accent); }

.note-image-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* ---------- Note composer ---------- */
.note-composer {
  display: flex;
  gap: var(--space-4);
}

.note-composer-avatar {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--accent-muted);
  border: 1px solid var(--accent-border);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  flex-shrink: 0;
}

.note-composer-body { flex: 1; }

/* ---------- Login page ---------- */
.auth-shell {
  min-height: calc(100vh - 60px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-6);
}

.auth-card {
  width: 100%;
  max-width: 380px;
}

.auth-brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-8);
  text-align: center;
}

.auth-brand-mark {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-lg);
  background: linear-gradient(155deg, var(--accent) 0%, #7c5cff 100%);
  color: #061021;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(76, 141, 255, 0.25);
}

.auth-brand h1 { font-size: var(--text-lg); margin: 0; }
.auth-brand p { color: var(--text-tertiary); font-size: var(--text-sm); margin: 0; }

.auth-footer {
  margin-top: var(--space-6);
  text-align: center;
  color: var(--text-tertiary);
  font-size: var(--text-xs);
}

/* ---------- Utilities ---------- */
.text-muted { color: var(--text-tertiary); }
.text-secondary { color: var(--text-secondary); }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .meta-grid { grid-template-columns: repeat(2, 1fr); }
  .form-row { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .container { padding: 0 var(--space-4); }
  .meta-grid { grid-template-columns: 1fr; }
  .data-table thead { display: none; }
  .data-table, .data-table tbody, .data-table tr, .data-table td { display: block; width: 100%; }
  .data-table tr {
    padding: var(--space-3) var(--space-4);
    border-bottom: 1px solid var(--border-subtle);
  }
  .data-table td {
    padding: var(--space-1) 0;
    border: none;
  }
  .data-table td::before {
    content: attr(data-label);
    display: inline-block;
    width: 96px;
    color: var(--text-tertiary);
    font-size: var(--text-xs);
    text-transform: uppercase;
    letter-spacing: 0.04em;
  }
  .navbar-inner { flex-wrap: wrap; height: auto; padding: var(--space-3) 0; gap: var(--space-2); }
  .page-header { flex-direction: column; }
  .note-composer { flex-direction: column; }
}