/* ── Base Reset ─────────────────────────────────────────────────────────── */
* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text-primary);
  font-family: var(--font-family);
  line-height: 1.5;
}

a {
  color: inherit;
}

img {
  display: block;
  max-width: 100%;
  object-fit: cover;
}

/* ── Focus & Reduced Motion ────────────────────────────────────────────── */
*:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ── Skip Link ─────────────────────────────────────────────────────────── */
.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 20;
  background: var(--color-primary);
  color: var(--color-text-primary);
  padding: 0.75rem 1rem;
  font-weight: 800;
  border-radius: var(--radius-input);
  text-decoration: none;
}

.skip-link:focus {
  top: 1rem;
}

/* ── Header & Navigation ───────────────────────────────────────────────── */
.site-header,
.site-footer {
  background: var(--color-brand-dark);
  color: var(--color-text-on-dark);
}

.nav,
.site-footer {
  max-width: var(--breakpoint-xl);
  margin: 0 auto;
  padding: 1rem 1.25rem;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand,
.nav-links,
.site-footer nav,
.action-row,
.meta-row,
.tag-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.brand {
  font-weight: 800;
  text-decoration: none;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-text-primary);
}

.nav-links a,
.site-footer a {
  color: var(--color-text-on-dark);
  text-decoration: none;
}

.nav-links a:hover,
.site-footer a:hover {
  text-decoration: underline;
}

.nav-links a[aria-current="page"] {
  text-decoration: underline;
  text-underline-offset: 4px;
}

/* ── Mobile Nav Toggle ─────────────────────────────────────────────────── */
.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--color-text-on-dark);
  color: var(--color-text-on-dark);
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-input);
  cursor: pointer;
  font: inherit;
  font-size: var(--text-body-md);
  min-height: auto;
}

.nav-toggle:hover {
  background: rgba(255, 255, 255, 0.1);
}

@media (max-width: 767px) {
  .nav-toggle {
    display: inline-flex;
  }

  .nav-links {
    display: none;
    flex-direction: column;
    width: 100%;
    gap: 0.5rem;
    padding-top: 0.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.15);
  }

  .nav-links[aria-hidden="false"] {
    display: flex;
  }
}

/* ── Layout Primitives ─────────────────────────────────────────────────── */
.hero,
.page-head,
.section,
.info-band,
.event-detail,
.form-section {
  max-width: var(--breakpoint-xl);
  margin: 0 auto;
  padding: 3rem 1.25rem;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(280px, 0.65fr);
  gap: 2rem;
  align-items: stretch;
  background: linear-gradient(135deg, var(--color-brand-dark), #26313a);
  color: var(--color-text-on-dark);
  max-width: none;
  padding-inline: max(1.25rem, calc((100vw - 1180px) / 2));
}

.hero h1,
.page-head h1 {
  max-width: 820px;
  margin: 0 0 1rem;
  font-size: clamp(2.25rem, 7vw, 4.5rem);
  line-height: 1.02;
  letter-spacing: 0;
}

.hero p,
.page-head p {
  max-width: 720px;
  color: currentColor;
}

/* ── Cards & Panels ────────────────────────────────────────────────────── */
.hero-panel,
.detail-card,
.event-card,
.empty-state,
.success-state,
.error-summary {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-input);
  box-shadow: var(--shadow-card);
}

.hero-panel {
  color: var(--color-text-primary);
  padding: 1.5rem;
}

.pin-dot {
  display: block;
  width: 1rem;
  height: 1rem;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 0 8px rgba(31, 175, 143, 0.16);
}

/* ── Typography ────────────────────────────────────────────────────────── */
.eyebrow {
  color: var(--color-primary-strong);
  font-weight: 800;
  text-transform: uppercase;
  font-size: var(--text-caption);
}

/* ── Search & Filter ───────────────────────────────────────────────────── */
.search-row,
.filter-row,
.stacked-form {
  display: grid;
  gap: 1rem;
}

.search-row {
  grid-template-columns: minmax(180px, 1fr) auto;
  max-width: 620px;
  margin-top: 1.5rem;
}

.filter-row {
  grid-template-columns: repeat(2, minmax(160px, 1fr)) auto auto;
  align-items: end;
}

label span {
  display: block;
  margin-bottom: 0.35rem;
  font-weight: 700;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-input);
  padding: 0.85rem 0.9rem;
  font: inherit;
}

/* ── Buttons ───────────────────────────────────────────────────────────── */
button,
.button-primary,
.button-secondary {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  min-height: 2.75rem;
  border-radius: var(--radius-input);
  border: 1px solid transparent;
  padding: 0.8rem 1rem;
  font-weight: 800;
  text-decoration: none;
  cursor: pointer;
}

button,
.button-primary {
  background: var(--color-primary);
  color: var(--color-text-primary);
}

button:hover,
.button-primary:hover {
  background: var(--color-primary-dark);
}

button:disabled,
.button-primary:disabled {
  background: var(--color-border);
  color: var(--color-text-muted);
  cursor: not-allowed;
}

.button-secondary {
  background: var(--color-surface);
  color: var(--color-text-primary);
  border-color: var(--color-border);
}

.button-secondary:hover {
  background: var(--color-bg);
}

/* ── Section Headings ──────────────────────────────────────────────────── */
.section-heading,
.detail-layout,
.event-hero {
  display: grid;
  gap: 1.5rem;
}

.section-heading {
  grid-template-columns: 1fr auto;
  align-items: center;
}

/* ── Event Grid & Cards ────────────────────────────────────────────────── */
.event-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.event-card {
  overflow: hidden;
}

.event-card img {
  width: 100%;
  aspect-ratio: 16 / 9;
  background: var(--color-accent-tint);
}

.event-card-body {
  padding: 1rem;
}

.card-meta,
.source-note,
.accuracy-note,
.event-info,
.event-image-info,
.request-context,
small {
  color: var(--color-text-secondary);
  font-size: var(--text-body-md);
}

.tag-row span,
.meta-row span {
  background: var(--color-accent-tint);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 0.3rem 0.6rem;
  font-size: var(--text-caption);
}

/* ── Info Band ─────────────────────────────────────────────────────────── */
.info-band {
  background: var(--color-primary-tint);
  border-top: 1px solid var(--color-primary-edge);
  border-bottom: 1px solid var(--color-primary-edge);
  max-width: none;
  padding-inline: max(1.25rem, calc((100vw - 1180px) / 2));
}

/* ── Event Detail ──────────────────────────────────────────────────────── */
.event-hero {
  grid-template-columns: minmax(0, 1fr) 420px;
  align-items: center;
}

.event-image-info {
  margin-top: 0.75rem;
}

.event-image-info p {
  margin: 0.25rem 0;
}

.detail-layout {
  grid-template-columns: minmax(0, 1fr) 340px;
  align-items: start;
  margin-top: 2rem;
}

.detail-card,
.empty-state,
.success-state,
.error-summary {
  padding: 1.25rem;
}

.event-info {
  border-top: 1px solid var(--color-border);
  margin-top: 1.25rem;
  padding-top: 1.25rem;
}

.event-info h2 {
  color: var(--color-text-primary);
  font-size: var(--text-body-lg);
  margin-bottom: 0.5rem;
}

.quiet-link {
  color: var(--color-text-primary);
  font-weight: 800;
}

.compact-head {
  padding-top: 0;
}

/* ── Request / Correction Forms ────────────────────────────────────────── */
.request-context {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-input);
  padding: 1rem;
  background: var(--color-surface);
}

.request-form textarea {
  min-height: 9rem;
  resize: vertical;
}

.confirmation-list {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-input);
  display: grid;
  gap: 0.85rem;
  margin: 0;
  padding: 1rem;
}

.confirmation-list legend {
  font-weight: 800;
  padding-inline: 0.35rem;
}

.checkbox-row {
  align-items: flex-start;
  display: grid;
  gap: 0.65rem;
  grid-template-columns: auto minmax(0, 1fr);
}

.checkbox-row input {
  margin-top: 0.25rem;
  width: auto;
}

/* ── Form Primitives ───────────────────────────────────────────────────── */
.form-group {
  margin-bottom: 1rem;
}

.form-group.has-error input,
.form-group.has-error select,
.form-group.has-error textarea {
  border-color: var(--color-error);
}

.form-error {
  color: var(--color-error);
  font-size: var(--text-body-md);
  margin-top: 0.25rem;
}

.form-error-summary {
  background: color-mix(in srgb, var(--color-error) 10%, var(--color-surface));
  border: 1px solid var(--color-error);
  border-radius: var(--radius-input);
  color: var(--color-error);
  padding: 1rem;
  margin-bottom: 1.5rem;
}

.form-error-summary:focus {
  outline: 2px solid var(--color-error);
  outline-offset: 2px;
}

.form-notice {
  border: 1px solid;
  border-radius: var(--radius-input);
  padding: 1rem;
  margin-bottom: 1.5rem;
  font-size: var(--text-body-md);
}

.form-notice--info {
  background: color-mix(in srgb, var(--color-info) 10%, var(--color-surface));
  border-color: var(--color-info);
  color: var(--color-accent-dark);
}

.form-notice--success {
  background: color-mix(in srgb, var(--color-success) 10%, var(--color-surface));
  border-color: var(--color-success);
  color: var(--color-accent-dark);
}

.form-notice--warning {
  background: color-mix(in srgb, var(--color-warning) 10%, var(--color-surface));
  border-color: var(--color-warning);
  color: var(--color-primary-strong);
}

.form-notice--error {
  background: color-mix(in srgb, var(--color-error) 10%, var(--color-surface));
  border-color: var(--color-error);
  color: var(--color-error);
}

.form-required {
  color: var(--color-error);
  font-weight: 800;
}

/* ── Error / State Summaries ───────────────────────────────────────────── */
.error-summary {
  border-color: color-mix(in srgb, var(--color-error) 60%, transparent);
  color: var(--color-error);
  box-shadow: none;
}

.success-state {
  border-color: color-mix(in srgb, var(--color-success) 60%, transparent);
  color: var(--color-accent-dark);
  box-shadow: none;
}

/* ── Stacked Form ──────────────────────────────────────────────────────── */
.stacked-form {
  max-width: 760px;
}

/* ── Footer ────────────────────────────────────────────────────────────── */
.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 3rem;
}

/* ── Skeleton Loading ──────────────────────────────────────────────────── */
.skeleton {
  background: linear-gradient(
    90deg,
    var(--color-divider) 25%,
    var(--color-border) 50%,
    var(--color-divider) 75%
  );
  background-size: 200% 100%;
  animation: skeleton-shimmer 1.5s ease-in-out infinite;
  border-radius: var(--radius-input);
}

.skeleton--text {
  height: 1rem;
  margin-bottom: 0.5rem;
}

.skeleton--heading {
  height: 1.5rem;
  width: 60%;
  margin-bottom: 1rem;
}

.skeleton--image {
  aspect-ratio: 16 / 9;
  width: 100%;
}

.skeleton--card {
  padding: 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
}

@keyframes skeleton-shimmer {
  0% {
    background-position: -200% 0;
  }
  100% {
    background-position: 200% 0;
  }
}

/* ── Error Pages ───────────────────────────────────────────────────────── */
.error-page {
  text-align: center;
  padding: 4rem 1.25rem;
  max-width: var(--breakpoint-md);
  margin: 0 auto;
}

.error-page__code {
  font-size: clamp(4rem, 10vw, 8rem);
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
  margin: 0 0 0.5rem;
}

.error-page h1 {
  font-size: var(--text-display-lg);
  margin: 0 0 1rem;
  color: var(--color-text-primary);
}

.error-page p {
  color: var(--color-text-secondary);
  font-size: var(--text-body-lg);
  margin: 0 0 2rem;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

.error-page .error-page__actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* ── Responsive ────────────────────────────────────────────────────────── */
@media (max-width: 767px) {
  .hero,
  .event-hero,
  .detail-layout,
  .event-grid,
  .search-row,
  .filter-row,
  .site-footer {
    grid-template-columns: 1fr;
  }

  .nav,
  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .hero h1,
  .page-head h1 {
    font-size: 2.5rem;
  }
}

@media (min-width: 768px) {
  .nav-links {
    display: flex !important;
  }

  .nav-toggle {
    display: none !important;
  }
}

@media (min-width: 1024px) {
  .event-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ── Phase 6: Authenticated Routes ──────────────────────────────────────── */

/* Navigation cards on Account hub */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.nav-card {
  display: block;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-input);
  padding: 1.25rem;
  text-decoration: none;
  transition: box-shadow 0.15s;
}

.nav-card:hover {
  box-shadow: var(--shadow-card);
}

.nav-card h3 {
  margin: 0 0 0.5rem;
  color: var(--color-primary);
}

.nav-card p {
  margin: 0;
  color: var(--color-text-secondary);
  font-size: var(--text-body-md);
}

/* Inline form (for bookmark/reminder buttons beside each other) */
.inline-form {
  display: inline-flex;
  gap: 0.5rem;
  align-items: center;
}

/* Danger button variant */
.button-danger {
  background: var(--color-error);
  color: var(--color-surface);
  border-color: var(--color-error);
}

.button-danger:hover {
  background: color-mix(in srgb, var(--color-error) 80%, black);
}

/* Data table (for reminders, submissions) */
.data-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-input);
  overflow: hidden;
}

.data-table th,
.data-table td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--color-divider);
}

.data-table th {
  background: var(--color-bg);
  font-weight: 800;
  font-size: var(--text-body-md);
}

/* Saved event card wrapper */
.saved-event-card {
  position: relative;
}

.saved-event-card .inline-form {
  padding: 0.5rem 1rem 1rem;
}

/* Submission card */
.submission-card {
  margin-bottom: 1rem;
}

.submission-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 0.75rem;
}

.submission-header h3 {
  margin: 0;
}

.submission-meta {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.25rem 1rem;
  margin: 0 0 0.75rem;
  font-size: var(--text-body-md);
}

.submission-meta dt {
  font-weight: 700;
  color: var(--color-text-secondary);
}

.submission-meta dd {
  margin: 0;
}

.status-history {
  margin-bottom: 1rem;
  font-size: var(--text-body-md);
}

.status-history summary {
  cursor: pointer;
  font-weight: 700;
  color: var(--color-primary);
}

.status-history ul {
  margin: 0.5rem 0 0;
  padding-left: 1.25rem;
}

.status-history li {
  margin-bottom: 0.25rem;
}

/* Form row (side-by-side fields) */
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

/* Fieldset styling for multi-step form */
fieldset {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-input);
  padding: 1.25rem;
  margin: 0 0 1.5rem;
}

fieldset legend {
  font-weight: 800;
  font-size: var(--text-body-lg);
  padding: 0 0.5rem;
}

/* Checkbox label */
.checkbox-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0.5rem 0;
  font-weight: 400;
}

.checkbox-label input[type="checkbox"] {
  width: auto;
}

/* Field note */
.field-note {
  color: var(--color-text-secondary);
  font-size: var(--text-body-md);
  margin: 0 0 0.75rem;
}

/* Auth note */
.auth-note {
  background: var(--color-primary-tint);
  border: 1px solid var(--color-primary-edge);
  border-radius: var(--radius-input);
  padding: 0.75rem 1rem;
  margin-bottom: 1rem;
  font-size: var(--text-body-md);
}

/* Screen-reader only */
.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;
}