/* Sidewalk Journal — editorial styling with warm paper tones. */

:root {
  --font-serif: Georgia, 'Iowan Old Style', 'Palatino Linotype', 'Book Antiqua', serif;
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;

  --color-bg: #f6f1e7;
  --color-surface: #fffdf8;
  --color-surface-raised: #ffffff;
  --color-ink: #241d14;
  --color-ink-muted: #5c5344;
  --color-ink-faint: #8a8071;
  --color-border: #ded4c0;
  --color-accent: #a8401f;
  --color-accent-dark: #863217;
  --color-accent-contrast: #fff8f2;
  --color-focus: #1b5fb0;

  --cat-culture: #6e4a9e;
  --cat-food: #a8401f;
  --cat-movement: #1b6e8c;
  --cat-people: #a33061;
  --cat-places: #1f6b3f;

  --radius-md: 10px;
  --radius-lg: 16px;
  --shadow-card: 0 1px 2px rgba(36, 29, 20, 0.06), 0 8px 24px rgba(36, 29, 20, 0.06);
  --shadow-modal: 0 24px 64px rgba(20, 15, 8, 0.28);

  --transition-fast: 140ms ease;
  --transition-medium: 220ms ease;

  color-scheme: light;
}

* {
  box-sizing: border-box;
}

html {
  font-size: 16px;
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-ink);
  font-family: var(--font-sans);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

img,
svg {
  display: block;
  max-width: 100%;
}

button,
input,
select {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
}

a {
  color: var(--color-accent-dark);
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--color-ink);
  color: #fff;
  padding: 12px 18px;
  border-radius: 0 0 8px 0;
  z-index: 1000;
  font-weight: 600;
}

.skip-link:focus {
  left: 0;
}

:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ---------- Masthead ---------- */

.masthead {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  padding: 20px 24px 16px;
}

.masthead__top {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: center;
}

.masthead__brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.masthead__mark {
  color: var(--color-accent);
  flex-shrink: 0;
}

.masthead__titles {
  text-align: left;
}

.masthead__name {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  margin: 0;
  line-height: 1.1;
}

.masthead__tagline {
  margin: 2px 0 0;
  font-size: 0.9rem;
  font-style: italic;
  color: var(--color-ink-muted);
}

.toolbar {
  max-width: 1200px;
  margin: 18px auto 0;
  display: flex;
  align-items: end;
  gap: 16px;
  flex-wrap: wrap;
}

.toolbar__label {
  display: block;
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-ink-muted);
  margin-bottom: 6px;
}

.toolbar__search {
  flex: 1 1 260px;
  min-width: 220px;
}

.toolbar__search-field {
  position: relative;
  display: flex;
  align-items: center;
}

.toolbar__icon {
  position: absolute;
  left: 12px;
  color: var(--color-ink-faint);
  pointer-events: none;
}

#search-input {
  width: 100%;
  height: 44px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  padding: 0 14px 0 38px;
  font-size: 1rem;
}

#search-input::placeholder {
  color: var(--color-ink-faint);
}

#search-input:focus-visible {
  border-color: var(--color-focus);
}

.toolbar__filter {
  flex: 0 0 auto;
}

#category-select {
  height: 44px;
  min-width: 170px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  padding: 0 14px;
  font-size: 1rem;
}

.toolbar__saved-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 44px;
  padding: 0 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-ink);
  font-weight: 600;
  font-size: 0.92rem;
  transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
}

.toolbar__saved-toggle svg {
  transition: fill var(--transition-fast), color var(--transition-fast);
}

.toolbar__saved-toggle[aria-pressed="true"] {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-accent-contrast);
}

.toolbar__saved-toggle[aria-pressed="true"] svg path {
  fill: currentColor;
}

.toolbar__saved-toggle:hover {
  border-color: var(--color-accent);
}

/* ---------- Main / results ---------- */

main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px 24px 60px;
}

.results-summary {
  margin: 0 0 16px;
  font-size: 0.88rem;
  color: var(--color-ink-muted);
}

.story-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 22px;
}

.story-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  position: relative;
  border-top: 4px solid var(--cat-color, var(--color-accent));
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.story-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(36, 29, 20, 0.08), 0 14px 28px rgba(36, 29, 20, 0.1);
}

.story-card__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.story-card__category {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.74rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--cat-color, var(--color-accent));
}

.story-card__category::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cat-color, var(--color-accent));
  flex-shrink: 0;
}

.story-card__saved-badge {
  display: none;
  align-items: center;
  gap: 4px;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--color-accent-dark);
}

.story-card--saved .story-card__saved-badge {
  display: inline-flex;
}

.story-card__title {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  line-height: 1.28;
  margin: 0;
}

.story-card__summary {
  margin: 0;
  color: var(--color-ink-muted);
  font-size: 0.95rem;
  flex: 1;
}

.story-card__meta {
  font-size: 0.8rem;
  color: var(--color-ink-faint);
  margin: 0;
}

.story-card__open {
  align-self: flex-start;
  margin-top: 4px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: none;
  background: none;
  color: var(--color-accent-dark);
  font-weight: 700;
  font-size: 0.92rem;
  padding: 4px 0;
  min-height: 44px;
}

.story-card__open svg {
  transition: transform var(--transition-fast);
}

.story-card__open:hover svg {
  transform: translateX(3px);
}

/* ---------- Empty state ---------- */

.empty-state {
  text-align: center;
  padding: 64px 20px;
  color: var(--color-ink-muted);
}

.empty-state svg {
  margin: 0 auto 16px;
  color: var(--color-ink-faint);
}

.empty-state h2 {
  font-family: var(--font-serif);
  margin: 0 0 8px;
  color: var(--color-ink);
}

.empty-state p {
  margin: 0 0 20px;
}

.empty-state button {
  height: 44px;
  padding: 0 20px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-accent);
  background: var(--color-accent);
  color: var(--color-accent-contrast);
  font-weight: 700;
}

.empty-state button:hover {
  background: var(--color-accent-dark);
  border-color: var(--color-accent-dark);
}

/* ---------- Footer ---------- */

.site-footer {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px 40px;
  color: var(--color-ink-faint);
  font-size: 0.82rem;
}

/* ---------- Detail view ---------- */

.detail-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(24, 18, 10, 0.5);
  z-index: 30;
}

.detail-view {
  position: fixed;
  inset: 0;
  z-index: 31;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  overflow-y: auto;
  padding: 40px 20px;
}

.detail-view[hidden] {
  display: none;
}

.detail-view__inner {
  background: var(--color-surface-raised);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-modal);
  max-width: 720px;
  width: 100%;
  margin: auto;
  overflow: hidden;
}

.detail-view__topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  background: var(--color-surface-raised);
}

.detail-view__back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: none;
  background: none;
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--color-ink-muted);
  min-height: 44px;
  padding: 0 8px;
  border-radius: var(--radius-md);
}

.detail-view__back:hover {
  color: var(--color-ink);
  background: var(--color-bg);
}

.detail-view__close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-ink-muted);
}

.detail-view__close:hover {
  background: var(--color-bg);
  color: var(--color-ink);
}

.detail-view__article {
  padding: 8px 32px 40px;
}

.detail-view__category {
  margin: 20px 0 0;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--cat-color, var(--color-accent));
}

.detail-view__title {
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 3.2vw, 2.3rem);
  line-height: 1.2;
  margin: 8px 0 12px;
}

.detail-view__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 0.88rem;
  color: var(--color-ink-muted);
  margin-bottom: 18px;
}

.detail-view__save {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 44px;
  padding: 0 18px;
  border-radius: 999px;
  border: 1.5px solid var(--color-accent);
  background: var(--color-surface);
  color: var(--color-accent-dark);
  font-weight: 700;
  font-size: 0.92rem;
  margin-bottom: 28px;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.detail-view__save[aria-pressed="true"] {
  background: var(--color-accent);
  color: var(--color-accent-contrast);
}

.detail-view__save[aria-pressed="true"] .save-icon path {
  fill: currentColor;
}

.detail-view__body {
  font-size: 1.08rem;
  line-height: 1.75;
  color: var(--color-ink);
}

.detail-view__body p {
  margin: 0 0 1.1em;
}

.detail-view__body p:first-child::first-letter {
  font-family: var(--font-serif);
  font-size: 3.4em;
  font-weight: 700;
  float: left;
  line-height: 0.85;
  padding: 0.05em 0.08em 0 0;
  color: var(--color-accent);
}

/* ---------- Responsive ---------- */

@media (max-width: 640px) {
  .masthead {
    padding: 16px 16px 14px;
  }

  .masthead__name {
    font-size: 1.55rem;
  }

  .masthead__mark {
    width: 32px;
    height: 32px;
  }

  .toolbar {
    gap: 12px;
  }

  .toolbar__search {
    flex-basis: 100%;
  }

  .toolbar__filter {
    flex: 1 1 140px;
  }

  #category-select {
    width: 100%;
    min-width: 0;
  }

  .toolbar__saved-toggle {
    flex: 1 1 140px;
    justify-content: center;
  }

  main {
    padding: 16px 16px 48px;
  }

  .story-grid {
    grid-template-columns: 1fr;
  }

  .detail-view {
    padding: 0;
  }

  .detail-view__inner {
    max-width: none;
    min-height: 100%;
    border-radius: 0;
  }

  .detail-view__article {
    padding: 8px 20px 40px;
  }
}

/* ---------- Reduced motion ---------- */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }

  .story-card:hover {
    transform: none;
  }
}