/* ===========================================================================
 * QCU Cooperative — Brand Components (v2.0 · 2026-05-28)
 * ---------------------------------------------------------------------------
 * Canonical qcu-* component classes.
 * Tokens are in brand-tokens.css. Motion is in brand-motion.css.
 * Use these instead of one-off Tailwind utility combinations.
 *
 *   <link rel="stylesheet" href="/assets/css/brand-components.css">
 *
 * Documentation: docs/BRAND.md + docs/PAGE_HANDOFF.md
 * ========================================================================= */

/* ---- Buttons ---- */
.qcu-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 10px 18px;
  border-radius: var(--qcu-r-md);
  font-family: var(--qcu-font-body);
  font-size: 14px;
  font-weight: 500;
  line-height: 1;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  user-select: none;
  transition: background-color var(--qcu-d-quick, 180ms) ease,
              color var(--qcu-d-quick, 180ms) ease,
              border-color var(--qcu-d-quick, 180ms) ease,
              transform var(--qcu-d-quick, 180ms) ease;
}
.qcu-btn:active { transform: scale(0.98); }
.qcu-btn:focus-visible {
  outline: 2px solid var(--qcu-action-primary);
  outline-offset: 2px;
  box-shadow: 0 0 0 3px var(--qcu-action-tint);
}
.qcu-btn[disabled],
.qcu-btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.qcu-btn--primary    { background: var(--qcu-action-primary); color: var(--qcu-text-inverse); }
.qcu-btn--primary:hover:not(:disabled) { background: var(--qcu-action-hover); }

.qcu-btn--secondary  { background: transparent; color: var(--qcu-action-primary); border-color: var(--qcu-action-primary); }
.qcu-btn--secondary:hover:not(:disabled) { background: var(--qcu-action-tint); }

.qcu-btn--tertiary   { background: var(--qcu-accent-tint); color: var(--qcu-accent); }
.qcu-btn--tertiary:hover:not(:disabled) { background: var(--qcu-terracotta-tint-hover); }

.qcu-btn--ghost      { background: transparent; color: var(--qcu-text-primary); }
.qcu-btn--ghost:hover:not(:disabled) { background: var(--qcu-bg-tinted); }

.qcu-btn--danger     { background: var(--qcu-danger); color: var(--qcu-text-inverse); }
.qcu-btn--danger:hover:not(:disabled) { background: var(--qcu-danger-deep); }

.qcu-btn--sm         { min-height: 36px; padding: 6px 12px; font-size: 13px; }
.qcu-btn--lg         { min-height: 52px; padding: 14px 22px; font-size: 16px; }
.qcu-btn--icon       { width: 44px; padding: 0; }
.qcu-btn--icon.qcu-btn--sm { width: 36px; }

/* ---- Cards ---- */
.qcu-card {
  background: var(--qcu-bg-surface);
  border: 0.5px solid var(--qcu-border-subtle);
  border-radius: var(--qcu-r-lg);
  padding: 24px;
}
.qcu-card--inset {
  background: var(--qcu-bg-tinted);
  border: none;
  padding: 20px;
}
.qcu-card--bare {
  padding: 0;
  overflow: hidden;
}
/* .qcu-card--lift behavior is in brand-motion.css */

/* ---- Inputs ---- */
.qcu-input,
.qcu-textarea,
.qcu-select {
  display: block;
  width: 100%;
  padding: 11px 14px;
  font-family: var(--qcu-font-body);
  font-size: 14px;
  line-height: 1.4;
  color: var(--qcu-text-primary);
  background: var(--qcu-bg-surface);
  border: 1px solid var(--qcu-border-subtle);
  border-radius: var(--qcu-r-md);
  transition: border-color var(--qcu-d-quick, 180ms) ease,
              background-color var(--qcu-d-quick, 180ms) ease,
              box-shadow var(--qcu-d-quick, 180ms) ease;
}
.qcu-input:focus,
.qcu-textarea:focus,
.qcu-select:focus {
  outline: none;
  border-color: var(--qcu-action-primary);
  box-shadow: 0 0 0 3px var(--qcu-action-tint);
}
.qcu-input--sm { padding: 7px 10px; font-size: 13px; }
.qcu-input--lg { padding: 14px 16px; font-size: 16px; }
.qcu-input--error,
.qcu-input.qcu-input--error:focus {
  border-color: var(--qcu-danger);
  box-shadow: 0 0 0 3px var(--qcu-danger-tint);
}
.qcu-textarea { min-height: 92px; resize: vertical; line-height: 1.5; }

.qcu-input-label {
  display: block;
  font-size: 12.5px;
  font-weight: 500;
  color: var(--qcu-text-primary);
  margin-bottom: 6px;
}
.qcu-input-help {
  display: block;
  font-size: 12px;
  color: var(--qcu-text-secondary);
  margin-top: 4px;
}
.qcu-input-error {
  display: block;
  font-size: 12px;
  color: var(--qcu-danger);
  margin-top: 4px;
}

/* ---- Tables ---- */
.qcu-table {
  width: 100%;
  background: var(--qcu-bg-surface);
  border-collapse: collapse;
  font-size: 14px;
  color: var(--qcu-text-primary);
  border-radius: var(--qcu-r-lg);
  overflow: hidden;
}
.qcu-table thead th {
  text-align: left;
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--qcu-text-secondary);
  font-weight: 500;
  padding: 12px 16px;
  background: var(--qcu-bg-tinted);
  border-bottom: 0.5px solid var(--qcu-border-subtle);
}
.qcu-table tbody td {
  padding: 14px 16px;
  border-bottom: 0.5px solid var(--qcu-border-subtle);
}
.qcu-table tbody tr:last-child td { border-bottom: none; }
.qcu-table--striped tbody tr:nth-child(even) { background: var(--qcu-bg-tinted); }
.qcu-table--bordered { border: 0.5px solid var(--qcu-border-subtle); }
.qcu-table--bordered th, .qcu-table--bordered td { border-right: 0.5px solid var(--qcu-border-subtle); }
.qcu-table--bordered th:last-child, .qcu-table--bordered td:last-child { border-right: none; }

/* ---- Tags ---- */
.qcu-tag {
  display: inline-block;
  padding: 4px 10px;
  border-radius: var(--qcu-r-sm);
  font-family: var(--qcu-font-body);
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: 0.02em;
  line-height: 1.4;
}
.qcu-tag--active   { background: var(--qcu-forest-tint);     color: var(--qcu-forest-deep); }
.qcu-tag--draft    { background: var(--qcu-cream-deep);      color: var(--qcu-gray-warm); }
.qcu-tag--new      { background: var(--qcu-terracotta-tint); color: var(--qcu-terracotta); }
.qcu-tag--warning  { background: var(--qcu-terracotta-tint); color: var(--qcu-terracotta); }
.qcu-tag--danger   { background: var(--qcu-danger-tint);     color: var(--qcu-danger); }

/* ---- Pills / Badges (numeric counters — notification badges, unread counts, drafts) ----
 * Professional spec: solid color (no gradient), tabular numerals so 11 + 57 + 99+ all
 * align cleanly, font-weight 600 (not 800), cream text on terracotta for WCAG AA, NO
 * default animation (use .qcu-badge--pulse only for actively-changing live states).
 * Min 18px square supports 1-2 digit counters cleanly; 3+ digits grow horizontally. */
.qcu-pill,
.qcu-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 18px;
  height: 18px;
  padding: 0 6px;
  border-radius: var(--qcu-r-pill);
  font-family: var(--qcu-font-body);
  font-size: 10.5px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  line-height: 1;
  letter-spacing: 0;
  background: var(--qcu-accent);
  color: var(--qcu-text-inverse);
  user-select: none;
  white-space: nowrap;
  vertical-align: middle;
  /* No animation by default — see .qcu-badge--pulse below for live states */
}
.qcu-pill--muted, .qcu-badge--muted     { background: var(--qcu-gray-warm); }
.qcu-pill--success, .qcu-badge--success { background: var(--qcu-success); }
.qcu-pill--danger, .qcu-badge--danger   { background: var(--qcu-danger); }
.qcu-pill--accent, .qcu-badge--accent   { background: var(--qcu-accent); }
.qcu-pill--neutral, .qcu-badge--neutral { background: var(--qcu-cream-deep); color: var(--qcu-text-secondary); }

/* Larger variant — for primary notification bells where the count needs to read at a glance */
.qcu-badge--lg {
  min-width: 20px;
  height: 20px;
  font-size: 11px;
  padding: 0 7px;
}

/* "Dot" variant — for new/unread WITHOUT a number, just a small marker */
.qcu-badge--dot {
  min-width: 8px;
  width: 8px;
  height: 8px;
  padding: 0;
  font-size: 0; /* hide any accidental text */
}

/* Bordered variant — for badges overlaid on dense surfaces (e.g., over a button icon)
 * Adds a 1.5px ring in the surface color so the badge reads as floating. */
.qcu-badge--bordered { box-shadow: 0 0 0 1.5px var(--qcu-bg-surface); }

/* Labeled mini-pill — wider rounded-rectangle that includes a context label
 * (e.g. "2 drafts", "57 new", "1 message"). More self-explanatory than a
 * bare counter — reads as a chip rather than an alert. Number gets weight 700
 * to anchor; the label sits lighter.
 *
 * Markup pattern:
 *     <span class="qcu-badge qcu-badge--labeled">
 *         <strong>2</strong> drafts
 *     </span>
 * Or just plain text via JS: textContent = '2 drafts'
 */
.qcu-badge--labeled {
  min-width: 0;
  padding: 2px 8px 2px 8px;
}
.qcu-badge--labeled strong {
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  margin-right: 4px;
}

/* Outlined variant — lighter touch; reads as 'count' not 'alert'.
 * Cream-tinted surface + accent text + accent border.
 * Use for non-urgent counts (drafts, history items, paginated counts). */
.qcu-badge--outline {
  background: var(--qcu-accent-tint);
  color: var(--qcu-accent);
  box-shadow: inset 0 0 0 1px var(--qcu-accent);
}
.qcu-badge--outline.qcu-badge--success {
  background: var(--qcu-forest-tint);
  color: var(--qcu-forest-deep);
  box-shadow: inset 0 0 0 1px var(--qcu-forest);
}

/* Pulse variant — ONLY for actively-changing live states (saving, recording, etc.).
 * Static unread counts should NOT pulse — it's nervous + ignorable after 30 seconds. */
@keyframes qcu-badge-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%      { opacity: 0.85; transform: scale(1.08); }
}
.qcu-badge--pulse {
  animation: qcu-badge-pulse 2s var(--qcu-ease-natural, cubic-bezier(0.4,0,0.2,1)) infinite;
}
@media (prefers-reduced-motion: reduce) {
  .qcu-badge--pulse { animation: none !important; }
}

/* ---- Stat card ---- */
.qcu-stat-card {
  background: var(--qcu-bg-surface);
  border: 0.5px solid var(--qcu-border-subtle);
  border-radius: var(--qcu-r-lg);
  padding: 20px;
}
.qcu-stat-card .qcu-stat-label {
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--qcu-text-secondary);
  margin-bottom: 8px;
}
.qcu-stat-card .qcu-stat-value {
  font-family: var(--qcu-font-display);
  font-variation-settings: "SOFT" 60, "WONK" 1, "opsz" 144;
  font-size: 42px;
  letter-spacing: -0.025em;
  line-height: 1;
  color: var(--qcu-text-primary);
}
.qcu-stat-card--inverse {
  background: var(--qcu-action-primary);
  color: var(--qcu-text-inverse);
  border-color: var(--qcu-action-primary);
}
.qcu-stat-card--inverse .qcu-stat-label { color: var(--qcu-text-inverse); opacity: 0.85; }
.qcu-stat-card--inverse .qcu-stat-value { color: var(--qcu-text-inverse); }

/* ---- Section label (the "01 · ESSENCE" header) ---- */
.qcu-section-label {
  font-family: var(--qcu-font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--qcu-text-secondary);
  display: inline-flex;
  align-items: center;
  gap: 14px;
}
.qcu-section-label::before {
  content: '';
  display: inline-block;
  width: 24px;
  height: 1px;
  background: var(--qcu-text-secondary);
}

/* ---- Empty state ---- */
.qcu-empty-state {
  text-align: center;
  padding: 48px 24px;
  color: var(--qcu-text-secondary);
}
.qcu-empty-state h2 {
  font-family: var(--qcu-font-display);
  font-variation-settings: "SOFT" 60, "opsz" 72;
  font-size: 28px;
  color: var(--qcu-text-primary);
  margin-bottom: 8px;
}
.qcu-empty-state p { font-size: 14px; margin-bottom: 16px; }

/* ---- Modals ---- */
.qcu-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(31, 42, 35, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  z-index: 1000;
}
.qcu-modal {
  background: var(--qcu-bg-surface);
  border-radius: var(--qcu-r-xl);
  padding: 32px;
  max-width: 480px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
}
.qcu-modal-title {
  font-family: var(--qcu-font-display);
  font-variation-settings: "SOFT" 60, "WONK" 1, "opsz" 144;
  font-size: 28px;
  letter-spacing: -0.02em;
  line-height: 1.1;
  color: var(--qcu-text-primary);
  margin-bottom: 12px;
}

/* ---- Tabs (paired with brand.js + brand-motion.css) ---- */
.qcu-tabs {
  display: flex;
  gap: 4px;
  border-bottom: 0.5px solid var(--qcu-border-subtle);
  position: relative;
}
.qcu-tab {
  padding: 12px 18px;
  font-family: var(--qcu-font-body);
  font-size: 14px;
  font-weight: 500;
  color: var(--qcu-text-secondary);
  background: transparent;
  border: none;
  cursor: pointer;
  transition: color var(--qcu-d-quick, 180ms) ease;
}
.qcu-tab:hover { color: var(--qcu-text-primary); }
.qcu-tab.active { color: var(--qcu-action-primary); }

/* ---- Toast ---- */
#qcu-toast-stage {
  position: fixed;
  bottom: 24px;
  right: 24px;
  display: flex;
  flex-direction: column-reverse;
  gap: 8px;
  z-index: 2000;
  pointer-events: none;
}
.qcu-toast {
  pointer-events: auto;
  padding: 12px 16px;
  border-radius: var(--qcu-r-lg);
  font-family: var(--qcu-font-body);
  font-size: 14px;
  font-weight: 500;
  color: var(--qcu-text-inverse);
  background: var(--qcu-action-primary);
  max-width: 360px;
  opacity: 0;
  transform: translateY(16px);
}
.qcu-toast--success { background: var(--qcu-success); }
.qcu-toast--warning { background: var(--qcu-warning); }
.qcu-toast--error   { background: var(--qcu-danger); }
/* .qcu-toast--visible transitions are in brand-motion.css */

/* ---- Skeleton (loading shimmer) ---- */
.qcu-skeleton {
  background: linear-gradient(90deg, var(--qcu-cream-deep) 0%, var(--qcu-cream) 50%, var(--qcu-cream-deep) 100%);
  background-size: 200% 100%;
  border-radius: var(--qcu-r-sm);
  display: block;
  min-height: 14px;
}
/* .qcu-skeleton animation in brand-motion.css */

/* ---- Divider ---- */
.qcu-divider {
  border: none;
  border-top: 0.5px solid var(--qcu-border-subtle);
  margin: 24px 0;
}

/* ---- Breadcrumb ---- */
.qcu-breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--qcu-text-secondary);
}
.qcu-breadcrumb a { color: var(--qcu-text-secondary); text-decoration: none; }
.qcu-breadcrumb a:hover { color: var(--qcu-action-primary); }
.qcu-breadcrumb [aria-current="page"] { color: var(--qcu-action-primary); font-weight: 500; }
.qcu-breadcrumb-sep { color: var(--qcu-text-disabled); }

/* ---- Typography utilities ---- */
.qcu-mono {
  font-family: var(--qcu-font-mono);
  font-size: 11.5px;
  letter-spacing: 0.05em;
  color: var(--qcu-text-secondary);
}
.qcu-display {
  font-family: var(--qcu-font-display);
  font-variation-settings: "SOFT" 50, "opsz" 144;
  letter-spacing: -0.025em;
  line-height: 1.05;
}
.qcu-display em {
  font-style: italic;
  font-variation-settings: "SOFT" 100, "WONK" 1, "opsz" 144;
  color: var(--qcu-action-primary);
}