/* =============================================================
   CSPC Suggestion & Feedback System
   style.css — Design System & Core Styles
   ============================================================= */

/* ------------------------------------------------------------------
   1. CSS Custom Properties (Design Tokens)
------------------------------------------------------------------ */
:root {
  /* Brand colours */
  --color-primary:       #1a56db;
  --color-primary-dark:  #1043b0;
  --color-primary-light: #e8f0fe;

  /* Status colours */
  --color-submitted:   #3b82f6;
  --color-review:      #f59e0b;
  --color-progress:    #8b5cf6;
  --color-resolved:    #10b981;
  --color-closed:      #6b7280;

  /* Priority colours */
  --color-low:    #10b981;
  --color-medium: #f59e0b;
  --color-high:   #ef4444;

  /* Neutrals */
  --color-white:       #ffffff;
  --color-bg:          #f8fafc;
  --color-bg-alt:      #f1f5f9;
  --color-surface:     #ffffff;
  --color-border:      #e2e8f0;
  --color-border-dark: #cbd5e1;

  /* Text */
  --color-text:        #0f172a;
  --color-text-muted:  #64748b;
  --color-text-light:  #94a3b8;

  /* Semantic */
  --color-success:     #10b981;
  --color-success-bg:  #d1fae5;
  --color-error:       #ef4444;
  --color-error-bg:    #fee2e2;

  /* Admin accent */
  --color-admin-header: #0f172a;

  /* Typography */
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;

  /* Spacing */
  --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;
  --space-16: 4rem;

  /* Border radius */
  --radius-sm: 0.25rem;
  --radius:    0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;

  /* Shadows */
  --shadow-sm:  0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow:     0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
  --shadow-md:  0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg:  0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);

  /* Transitions */
  --transition: 150ms ease;

  /* Layout */
  --container-max: 1200px;
  --nav-height:    64px;
}

/* ------------------------------------------------------------------
   2. Reset & Base
------------------------------------------------------------------ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main { flex: 1; }

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition);
}
a:hover { color: var(--color-primary-dark); }

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
}

img, video { max-width: 100%; height: auto; }

ul, ol { list-style: none; }

h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.3;
  color: var(--color-text);
}

/* ------------------------------------------------------------------
   3. Utilities
------------------------------------------------------------------ */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-6);
}

.section { padding-block: var(--space-12); }
.section--alt { background-color: var(--color-bg-alt); }

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

/* ------------------------------------------------------------------
   4. Navbar
------------------------------------------------------------------ */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-height);
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: var(--space-4);
}

.navbar__brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  flex-shrink: 0;
}

.navbar__logo-mark {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px; height: 40px;
  background: var(--color-primary);
  color: var(--color-white);
  font-weight: 700;
  font-size: 0.75rem;
  border-radius: var(--radius);
  letter-spacing: 0.05em;
}

.navbar__brand-title {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--color-text);
  display: block;
  line-height: 1.2;
}

.navbar__brand-sub {
  font-size: 0.7rem;
  color: var(--color-text-muted);
  display: block;
  line-height: 1.2;
}

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

.navbar__link {
  padding: var(--space-2) var(--space-3);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-muted);
  border-radius: var(--radius);
  transition: all var(--transition);
  white-space: nowrap;
}

.navbar__link:hover { color: var(--color-primary); background: var(--color-primary-light); }
.navbar__link--active { color: var(--color-primary); background: var(--color-primary-light); }

.navbar__link--cta {
  background: var(--color-primary);
  color: var(--color-white) !important;
  padding: var(--space-2) var(--space-4);
}
.navbar__link--cta:hover { background: var(--color-primary-dark); }

.navbar__user {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-left: var(--space-2);
  padding-left: var(--space-3);
  border-left: 1px solid var(--color-border);
}

.navbar__user-name {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text);
}

.navbar__user-avatar {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px; height: 32px;
  background: var(--color-primary);
  color: white;
  border-radius: 50%;
  font-size: 0.8rem;
  font-weight: 700;
}

.navbar__logout-form { display: inline; }

.navbar__logout-btn {
  background: none;
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  font-size: 0.8rem;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius);
  cursor: pointer;
  font-family: var(--font-sans);
  transition: all var(--transition);
}
.navbar__logout-btn:hover { border-color: var(--color-error); color: var(--color-error); }

/* Hamburger toggle */
.navbar__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
  border-radius: var(--radius);
}
.navbar__toggle-bar {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text);
  border-radius: 1px;
  transition: all var(--transition);
}

/* ------------------------------------------------------------------
   5. Buttons
------------------------------------------------------------------ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-5);
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 500;
  line-height: 1;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition);
  white-space: nowrap;
}
.btn:focus-visible { outline: 3px solid var(--color-primary); outline-offset: 2px; }

.btn--primary {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}
.btn--primary:hover { background: var(--color-primary-dark); border-color: var(--color-primary-dark); color: white; }

.btn--secondary {
  background: var(--color-white);
  color: var(--color-text);
  border-color: var(--color-border-dark);
}
.btn--secondary:hover { background: var(--color-bg-alt); }

.btn--ghost {
  background: transparent;
  color: var(--color-white);
  border-color: rgba(255,255,255,0.4);
}
.btn--ghost:hover { background: rgba(255,255,255,0.15); color: white; }

.btn--sm { padding: var(--space-1) var(--space-3); font-size: 0.8rem; }
.btn--lg { padding: var(--space-3) var(--space-8); font-size: 1rem; }
.btn--full { width: 100%; }
.btn--self-end { align-self: flex-end; }

/* ------------------------------------------------------------------
   6. Forms
------------------------------------------------------------------ */
.form-group { display: flex; flex-direction: column; gap: var(--space-2); }
.form-label { font-size: 0.875rem; font-weight: 500; color: var(--color-text); }
.form-required { color: var(--color-error); }
.form-hint { font-size: 0.75rem; color: var(--color-text-muted); }

.form-input,
.form-select,
.form-textarea {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  color: var(--color-text);
  background: var(--color-white);
  border: 1px solid var(--color-border-dark);
  border-radius: var(--radius);
  padding: var(--space-2) var(--space-3);
  width: 100%;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgb(26 86 219 / 0.15);
  outline: none;
}
.form-input--sm, .form-select--sm { padding: var(--space-1) var(--space-3); font-size: 0.8rem; }
.form-textarea { resize: vertical; min-height: 120px; line-height: 1.6; }
.form-select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2364748b' d='M6 8L1 3h10z'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 0.75rem center; padding-right: 2.5rem; }

.form-char-count { font-size: 0.75rem; color: var(--color-text-muted); align-self: flex-end; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-4); }
.form-row--compact { display: flex; gap: var(--space-3); align-items: flex-start; flex-wrap: wrap; }
.form-group--grow { flex: 1; }

.form-checkbox {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  cursor: pointer;
  font-size: 0.875rem;
}
.form-checkbox input[type="checkbox"] { margin-top: 2px; accent-color: var(--color-primary); width: 16px; height: 16px; cursor: pointer; }

.form-errors {
  background: var(--color-error-bg);
  border: 1px solid var(--color-error);
  border-radius: var(--radius);
  padding: var(--space-4);
  margin-bottom: var(--space-4);
}
.form-errors__heading { font-size: 0.875rem; color: var(--color-error); margin-bottom: var(--space-2); }
.form-errors__list { padding-left: var(--space-4); list-style: disc; }
.form-errors__list li { font-size: 0.875rem; color: var(--color-error); margin-bottom: var(--space-1); }

/* Priority radio group */
.priority-group {
  display: flex;
  gap: var(--space-3);
}
.priority-option {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 0.875rem;
  transition: all var(--transition);
}
.priority-option input { accent-color: var(--color-primary); cursor: pointer; }
.priority-option:has(input:checked) { border-color: var(--color-primary); background: var(--color-primary-light); }

.form-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  max-width: 800px;
  box-shadow: var(--shadow-sm);
}

.form-actions {
  display: flex;
  gap: var(--space-3);
  justify-content: flex-end;
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border);
  margin-top: var(--space-4);
}

/* ------------------------------------------------------------------
   7. Flash Messages
------------------------------------------------------------------ */
.flash {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius);
  font-size: 0.875rem;
  margin-bottom: var(--space-4);
  border: 1px solid;
}
.flash--success { background: var(--color-success-bg); border-color: var(--color-success); color: #065f46; }
.flash--error   { background: var(--color-error-bg);   border-color: var(--color-error);   color: #7f1d1d; }

.flash__icon { font-size: 1rem; flex-shrink: 0; }
.flash > span:nth-child(2) { flex: 1; }

.flash__close {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1.2rem;
  line-height: 1;
  color: inherit;
  opacity: 0.6;
  padding: 0;
  font-family: var(--font-sans);
}
.flash__close:hover { opacity: 1; }

/* ------------------------------------------------------------------
   8. Badges
------------------------------------------------------------------ */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 10px;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.badge--submitted  { background: #dbeafe; color: #1e40af; }
.badge--review     { background: #fef3c7; color: #92400e; }
.badge--in-progress{ background: #ede9fe; color: #5b21b6; }
.badge--progress   { background: #ede9fe; color: #5b21b6; }
.badge--resolved   { background: #d1fae5; color: #065f46; }
.badge--closed     { background: #f1f5f9; color: #475569; }
.badge--anon       { background: #f1f5f9; color: #475569; }
.badge--count      { background: var(--color-primary); color: white; margin-left: var(--space-2); font-size: 0.7rem; }

/* Priority badges */
.priority-badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 10px;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.priority--low    { background: #d1fae5; color: #065f46; }
.priority--medium { background: #fef3c7; color: #92400e; }
.priority--high   { background: #fee2e2; color: #991b1b; }

/* Type chip */
.type-chip {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  text-transform: capitalize;
  white-space: nowrap;
}

/* ------------------------------------------------------------------
   9. Tables
------------------------------------------------------------------ */
.table-wrapper {
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
}

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}
.table thead { background: var(--color-bg-alt); }
.table th {
  padding: var(--space-3) var(--space-4);
  text-align: left;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-bottom: 1px solid var(--color-border);
  white-space: nowrap;
}
.table td {
  padding: var(--space-3) var(--space-4);
  vertical-align: middle;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text);
}
.table tbody tr:last-child td { border-bottom: none; }
.table tbody tr:hover { background: var(--color-bg); }

.td--subject { max-width: 220px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.table-link {
  font-size: 0.8rem;
  font-weight: 500;
  padding: var(--space-1) var(--space-2);
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-sm);
  color: var(--color-primary);
  transition: all var(--transition);
  white-space: nowrap;
}
.table-link:hover { background: var(--color-primary); color: white; }

.ref-num { font-family: monospace; font-size: 0.82rem; color: var(--color-primary); background: var(--color-primary-light); padding: 1px 6px; border-radius: var(--radius-sm); }

/* ------------------------------------------------------------------
   10. Page header
------------------------------------------------------------------ */
.page-header {
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  padding-block: var(--space-6);
}
.page-header--admin { background: var(--color-admin-header); }
.page-header--admin .page-header__title  { color: white; }
.page-header--admin .page-header__subtitle { color: rgba(255,255,255,0.7); }

.page-header__row { display: flex; align-items: flex-start; justify-content: space-between; gap: var(--space-4); }
.page-header__title  { font-size: 1.5rem; font-weight: 700; }
.page-header__subtitle { font-size: 0.9rem; color: var(--color-text-muted); margin-top: var(--space-1); }

/* ------------------------------------------------------------------
   11. Detail Layout
------------------------------------------------------------------ */
.detail-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: var(--space-6);
  align-items: flex-start;
}

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

.detail-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
}
.detail-card__title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.detail-list { display: flex; flex-direction: column; gap: var(--space-3); }
.detail-item { display: flex; gap: var(--space-4); }
.detail-item dt { font-size: 0.8rem; color: var(--color-text-muted); font-weight: 500; min-width: 140px; padding-top: 2px; }
.detail-item dd { font-size: 0.875rem; color: var(--color-text); display: flex; flex-direction: column; gap: var(--space-1); }
.detail-sub { font-size: 0.78rem; color: var(--color-text-muted); }

.detail-description p {
  font-size: 0.9rem;
  color: var(--color-text);
  line-height: 1.7;
  white-space: pre-wrap;
}

/* ------------------------------------------------------------------
   12. Timeline
------------------------------------------------------------------ */
.timeline {
  display: flex;
  flex-direction: column;
  gap: 0;
  position: relative;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 7px;
  top: 16px;
  bottom: 16px;
  width: 2px;
  background: var(--color-border);
}

.timeline__item {
  display: flex;
  gap: var(--space-3);
  padding-bottom: var(--space-4);
  position: relative;
}
.timeline__item:last-child { padding-bottom: 0; }

.timeline__dot {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--color-border-dark);
  border: 2px solid var(--color-white);
  box-shadow: 0 0 0 2px var(--color-border-dark);
  flex-shrink: 0;
  margin-top: 2px;
  z-index: 1;
}
.timeline__item--current .timeline__dot { background: var(--color-primary); box-shadow: 0 0 0 2px var(--color-primary); }

.timeline__content { flex: 1; }
.timeline__status { margin-bottom: var(--space-1); }
.timeline__date { font-size: 0.75rem; color: var(--color-text-muted); }
.timeline__note { font-size: 0.78rem; color: var(--color-text-muted); margin-top: var(--space-1); }

/* ------------------------------------------------------------------
   13. Admin responses
------------------------------------------------------------------ */
.responses-list { display: flex; flex-direction: column; gap: var(--space-3); }

.response-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
}
.response-item__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-2) var(--space-4);
  background: var(--color-bg-alt);
  border-bottom: 1px solid var(--color-border);
}
.response-item__author { font-size: 0.8rem; font-weight: 600; display: flex; align-items: center; gap: var(--space-2); }
.response-item__badge { font-size: 1rem; }
.response-item__name { font-weight: 400; color: var(--color-text-muted); }
.response-item__date { font-size: 0.75rem; color: var(--color-text-muted); }
.response-item__body { padding: var(--space-4); }
.response-item__body p { font-size: 0.875rem; line-height: 1.7; white-space: pre-wrap; }

/* ------------------------------------------------------------------
   14. Empty states
------------------------------------------------------------------ */
.empty-state {
  text-align: center;
  padding: var(--space-16) var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}
.empty-state__icon { font-size: 3rem; margin-bottom: var(--space-4); }
.empty-state__title { font-size: 1.1rem; font-weight: 600; margin-bottom: var(--space-2); }
.empty-state__text { font-size: 0.9rem; color: var(--color-text-muted); margin-bottom: var(--space-6); }

.empty-inline { font-size: 0.875rem; color: var(--color-text-muted); font-style: italic; }

/* ------------------------------------------------------------------
   15. Pagination
------------------------------------------------------------------ */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  margin-top: var(--space-6);
}
.pagination__link { font-size: 0.875rem; font-weight: 500; }
.pagination__info { font-size: 0.875rem; color: var(--color-text-muted); }

/* ------------------------------------------------------------------
   16. Filter form
------------------------------------------------------------------ */
.filter-form {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-4) var(--space-5);
  margin-bottom: var(--space-4);
}
.filter-row {
  display: flex;
  gap: var(--space-3);
  align-items: flex-end;
  flex-wrap: wrap;
}
.filter-group { display: flex; flex-direction: column; gap: var(--space-1); }
.filter-label { font-size: 0.75rem; font-weight: 500; color: var(--color-text-muted); text-transform: uppercase; letter-spacing: 0.04em; }
.filter-group--actions { flex-direction: row; gap: var(--space-2); align-items: flex-end; }

/* ------------------------------------------------------------------
   17. Admin action forms
------------------------------------------------------------------ */
.admin-action-form { }

/* ------------------------------------------------------------------
   18. Footer
------------------------------------------------------------------ */
.footer {
  background: var(--color-admin-header);
  color: rgba(255,255,255,0.6);
  padding-block: var(--space-8);
  margin-top: auto;
}
.footer__inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  align-items: flex-start;
}
.footer__brand { display: flex; align-items: center; gap: var(--space-3); }
.footer__logo-mark {
  display: flex; align-items: center; justify-content: center;
  width: 36px; height: 36px;
  background: var(--color-primary); color: white;
  font-size: 0.7rem; font-weight: 700; border-radius: var(--radius);
}
.footer__title { font-size: 0.875rem; font-weight: 600; color: white; }
.footer__sub   { font-size: 0.75rem; color: rgba(255,255,255,0.5); }
.footer__copy  { font-size: 0.75rem; }

/* ------------------------------------------------------------------
   19. Hero (home page)
------------------------------------------------------------------ */
.hero {
  background: linear-gradient(135deg, #0f172a 0%, #1e3a5f 50%, #1a56db 100%);
  min-height: 75vh;
  display: flex;
  align-items: center;
  padding-block: var(--space-16);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 70% 50%, rgba(26,86,219,0.3) 0%, transparent 60%);
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero__eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.6);
  margin-bottom: var(--space-3);
}
.hero__title {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  color: white;
  line-height: 1.15;
  margin-bottom: var(--space-4);
}
.hero__subtitle {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.75);
  line-height: 1.7;
  margin-bottom: var(--space-8);
}
.hero__actions { display: flex; gap: var(--space-3); flex-wrap: wrap; }

/* Hero visual cards */
.hero__visual {
  position: relative;
  height: 280px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero__card {
  position: absolute;
  background: rgba(255,255,255,0.1);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  font-size: 0.82rem;
  color: rgba(255,255,255,0.9);
  max-width: 240px;
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.hero__card--1 { top: 0; left: 10%; animation: cardFloat 4s ease-in-out infinite; }
.hero__card--2 { top: 30%; left: 50%; animation: cardFloat 4s ease-in-out 1.3s infinite; }
.hero__card--3 { top: 60%; left: 5%; animation: cardFloat 4s ease-in-out 0.7s infinite; }

@keyframes cardFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

/* ------------------------------------------------------------------
   20. Features section (home page)
------------------------------------------------------------------ */
.section__title { font-size: 1.75rem; font-weight: 700; text-align: center; margin-bottom: var(--space-3); }
.section__subtitle { text-align: center; color: var(--color-text-muted); margin-bottom: var(--space-10); }

.features__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.feature-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), transform var(--transition);
}
.feature-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.feature-card__icon { font-size: 2.5rem; margin-bottom: var(--space-4); }
.feature-card__title { font-size: 1rem; font-weight: 600; margin-bottom: var(--space-2); }
.feature-card__desc { font-size: 0.875rem; color: var(--color-text-muted); line-height: 1.7; }

/* ------------------------------------------------------------------
   21. Categories section (home page)
------------------------------------------------------------------ */
.categories__grid {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  justify-content: center;
}
.category-chip {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: var(--space-2) var(--space-5);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text);
  transition: all var(--transition);
}
.category-chip:hover { background: var(--color-primary-light); border-color: var(--color-primary); color: var(--color-primary); }

/* ------------------------------------------------------------------
   22. Dashboard extras
------------------------------------------------------------------ */
.dashboard-actions {
  display: flex;
  gap: var(--space-3);
  margin-bottom: var(--space-8);
  flex-wrap: wrap;
}
.dashboard-more { font-size: 0.875rem; margin-top: var(--space-4); }
.list-actions { display: flex; justify-content: flex-end; margin-bottom: var(--space-4); }
.section-title { font-size: 1.1rem; font-weight: 600; margin-bottom: var(--space-4); }

/* ------------------------------------------------------------------
   23. Error pages
------------------------------------------------------------------ */
.error-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 60vh;
  padding: var(--space-12);
}
.error-page__inner { text-align: center; }
.error-page__code {
  font-size: 6rem;
  font-weight: 700;
  color: var(--color-border-dark);
  line-height: 1;
  margin-bottom: var(--space-4);
}
.error-page__title { font-size: 1.5rem; font-weight: 700; margin-bottom: var(--space-3); }
.error-page__text { color: var(--color-text-muted); margin-bottom: var(--space-8); }
.error-page__detail { background: var(--color-bg-alt); border-radius: var(--radius); padding: var(--space-4); font-size: 0.8rem; text-align: left; margin-bottom: var(--space-8); max-width: 600px; overflow-x: auto; }