/* ---------------------------------------------------------
   Sidestreet — a magazine of everyday city life
   Type roles: DM Serif Display (headlines), Oswald (labels/
   signage), DM Sans (body/UI), IBM Plex Mono (dates, times,
   stop numbers — a timetable register).
   --------------------------------------------------------- */

@font-face {
  font-family: 'DM Serif Display';
  src: url('assets/dm-serif.ttf') format('truetype');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Oswald';
  src: url('assets/oswald.ttf') format('truetype');
  font-weight: 200 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'DM Sans';
  src: url('assets/dm-sans.ttf') format('truetype');
  font-weight: 100 1000;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'IBM Plex Mono';
  src: url('assets/ibm-plex-mono.ttf') format('truetype');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

:root {
  --font-display: 'DM Serif Display', Georgia, serif;
  --font-label: 'Oswald', 'Arial Narrow', sans-serif;
  --font-body: 'DM Sans', system-ui, sans-serif;
  --font-mono: 'IBM Plex Mono', 'Courier New', monospace;

  --color-canvas: #f4eee2;
  --color-surface: #fbf7ee;
  --color-surface-raised: #ffffff;
  --color-ink: #211d17;
  --color-ink-muted: #6d6454;
  --color-border: #ddd0b8;
  --color-border-strong: #c7b696;

  --color-accent: #c1512b;
  --color-accent-dark: #9c3f20;
  --color-accent-on: #ffffff;
  --color-accent-soft: #f2ddc9;

  --color-focus: #211d17;

  --cat-culture: #5b3e96;
  --cat-food: #8c5a1e;
  --cat-movement: #24486b;
  --cat-people: #8a3049;
  --cat-places: #24594e;

  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 64px;

  --content-width: 1180px;
  --radius-sm: 3px;
  --radius-md: 8px;

  color-scheme: light;
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  background: var(--color-canvas);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
  background-image:
    linear-gradient(var(--color-border) 1px, transparent 1px);
  background-size: 100% 100%;
}

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

.wrap {
  max-width: var(--content-width);
  margin-inline: auto;
  padding-inline: 24px;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--color-ink);
  color: var(--color-accent-on);
  padding: 10px 16px;
  z-index: 100;
  font-family: var(--font-label);
  letter-spacing: 0.04em;
  text-decoration: none;
}
.skip-link:focus {
  left: 16px;
  top: 16px;
}

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

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

.masthead {
  background: var(--color-surface);
  border-bottom: 3px solid var(--color-ink);
}

.masthead__top {
  padding-top: 14px;
}

.masthead__eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-ink-muted);
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 12px;
}

.masthead__brand {
  padding-top: 20px;
  padding-bottom: 8px;
}

.masthead__title {
  margin: 0;
  font-family: var(--font-label);
  font-weight: 700;
  font-size: clamp(48px, 9vw, 96px);
  letter-spacing: -0.01em;
  text-transform: uppercase;
  line-height: 0.9;
}

.masthead__tagline {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-size: clamp(18px, 2.4vw, 24px);
  font-style: italic;
  color: var(--color-ink-muted);
  max-width: 46ch;
}

.masthead__nav {
  display: flex;
  flex-wrap: wrap;
  align-items: end;
  gap: var(--space-4);
  padding-top: var(--space-5);
  padding-bottom: var(--space-5);
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.field label {
  font-family: var(--font-label);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-ink-muted);
}

.field--search {
  flex: 1 1 260px;
  min-width: 200px;
}

.field--filter {
  flex: 0 1 220px;
  min-width: 180px;
}

input[type='search'],
select {
  font-family: var(--font-body);
  font-size: 16px;
  color: var(--color-ink);
  background: var(--color-surface-raised);
  border: 2px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  height: 44px;
}

input[type='search']::-webkit-search-cancel-button {
  cursor: pointer;
}

input[type='search']:hover,
select:hover {
  border-color: var(--color-ink-muted);
}

select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23211d17' stroke-width='1.6' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 32px;
}

.toggle-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 44px;
  padding: 0 16px;
  border-radius: 999px;
  border: 2px solid var(--color-border-strong);
  background: var(--color-surface-raised);
  color: var(--color-ink);
  font-family: var(--font-label);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
}

.toggle-chip__icon {
  width: 14px;
  height: 14px;
  color: var(--color-ink-muted);
}

.toggle-chip:hover {
  border-color: var(--color-ink-muted);
}

.toggle-chip[aria-pressed='true'] {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-accent-on);
}
.toggle-chip[aria-pressed='true'] .toggle-chip__icon {
  color: var(--color-accent-on);
}

/* ---------------- Main list ---------------- */

main {
  padding-top: var(--space-6);
  padding-bottom: var(--space-8);
  min-height: 50vh;
}

.results-meta {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--color-ink-muted);
  margin: 0 0 var(--space-5);
}

.route {
  list-style: none;
  margin: 0;
  padding: 0;
}

.route__stop {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: var(--space-4);
}

.route__marker {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.route__line {
  width: 2px;
  flex: 1 1 auto;
  background: var(--color-border-strong);
  min-height: 8px;
}

.route__stop:first-child .route__line--top,
.route__stop:last-child .route__line--bottom {
  visibility: hidden;
}

.route__dot {
  flex: 0 0 auto;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--color-accent-on);
  background: var(--color-ink-muted);
  margin-block: 6px;
}

/* ---------------- Item card ---------------- */

.item {
  border-bottom: 1px solid var(--color-border);
  padding-block: var(--space-5);
}

.item__link-wrap {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: var(--space-5);
  align-items: start;
}

.item:not(.item--has-image) .item__link-wrap {
  grid-template-columns: 1fr;
}

.item__image {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
}

.item__kicker {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
  font-family: var(--font-label);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.item__category {
  color: var(--cat-color, var(--color-accent));
}

.item__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 26px;
  line-height: 1.15;
}

.item__title-button {
  appearance: none;
  background: none;
  border: none;
  padding: 0;
  margin: 0;
  font: inherit;
  color: var(--color-ink);
  text-align: left;
  cursor: pointer;
}
.item__title-button:hover {
  color: var(--color-accent-dark);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
}

.item__summary {
  margin: 0 0 12px;
  color: var(--color-ink-muted);
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.55;
}

.item__meta {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--color-ink-muted);
  display: flex;
  flex-wrap: wrap;
  gap: 6px 10px;
}

.item__meta .dot::before {
  content: '·';
  margin-right: 10px;
  color: var(--color-border-strong);
}

/* Featured (first visible) item */
.item--featured {
  padding-top: 0;
}
.item--featured .item__link-wrap {
  grid-template-columns: 1fr;
}
.item--featured .item__image {
  aspect-ratio: 16 / 8;
  margin-bottom: var(--space-4);
}
.item--featured .item__title {
  font-size: clamp(28px, 4vw, 44px);
}
.item--featured .item__summary {
  font-size: 18px;
  max-width: 70ch;
}
.route__stop--featured .route__dot {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
}

@media (min-width: 640px) {
  .item--featured:not(.item--has-image) .item__link-wrap {
    grid-template-columns: 1fr;
  }
}

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

.empty-state {
  border: 2px dashed var(--color-border-strong);
  border-radius: var(--radius-md);
  padding: var(--space-7) var(--space-5);
  text-align: center;
  max-width: 520px;
  margin-inline: auto;
}

.empty-state__title {
  font-family: var(--font-display);
  font-size: 24px;
  margin: 0 0 8px;
}

.empty-state__body {
  color: var(--color-ink-muted);
  margin: 0 0 var(--space-4);
}

.button {
  font-family: var(--font-label);
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-size: 13px;
  background: var(--color-ink);
  color: var(--color-accent-on);
  border: none;
  border-radius: 999px;
  padding: 12px 22px;
  cursor: pointer;
}
.button:hover {
  background: var(--color-accent-dark);
}

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

.site-footer {
  border-top: 3px solid var(--color-ink);
  background: var(--color-surface);
  padding-block: var(--space-6);
}
.site-footer__inner p {
  margin: 0;
  color: var(--color-ink-muted);
  font-size: 13.5px;
  max-width: 60ch;
}

/* ---------------- Detail dialog ---------------- */

.detail {
  border: none;
  padding: 0;
  border-radius: var(--radius-md);
  width: min(760px, 92vw);
  max-height: 88vh;
  color: var(--color-ink);
  background: var(--color-surface-raised);
  box-shadow: 0 30px 60px rgba(33, 29, 23, 0.35);
}

.detail::backdrop {
  background: rgba(20, 17, 12, 0.6);
}

.detail[open] {
  display: flex;
  flex-direction: column;
  animation: detail-in 220ms ease-out;
}

@media (prefers-reduced-motion: reduce) {
  .detail[open] {
    animation: none;
  }
}

@keyframes detail-in {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.detail__topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--color-border);
  flex: 0 0 auto;
}

.detail__topbar-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.detail__number {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-ink-muted);
  border: 1px solid var(--color-border-strong);
  border-radius: 999px;
  padding: 3px 9px;
}

.detail__category {
  font-family: var(--font-label);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--cat-color, var(--color-accent));
}

.icon-button {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--color-border-strong);
  background: var(--color-surface);
  color: var(--color-ink);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}
.icon-button:hover {
  background: var(--color-ink);
  color: var(--color-accent-on);
}
.icon-button svg {
  width: 16px;
  height: 16px;
}

.detail__scroll {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  padding: var(--space-6) var(--space-6) var(--space-7);
}

.detail__figure {
  margin: 0 0 var(--space-5);
}
.detail__figure img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: var(--radius-sm);
}

.detail__title {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 38px);
  line-height: 1.1;
  margin: 0 0 var(--space-3);
}

.detail__meta {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--color-ink-muted);
  margin: 0 0 var(--space-5);
}
.detail__meta .dot::before {
  content: '·';
  margin-right: 8px;
  color: var(--color-border-strong);
}

.save-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 2px solid var(--color-ink);
  background: transparent;
  color: var(--color-ink);
  font-family: var(--font-label);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 10px 18px;
  border-radius: 999px;
  cursor: pointer;
  margin-bottom: var(--space-6);
}
.save-toggle:hover {
  background: var(--color-ink);
  color: var(--color-accent-on);
}
.save-toggle[aria-pressed='true'] {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-accent-on);
}
.save-toggle__icon {
  width: 14px;
  height: 14px;
}

.detail__body {
  font-size: 18px;
  line-height: 1.68;
  max-width: 62ch;
}
.detail__body p {
  margin: 0 0 1.2em;
}
.detail__body p:first-of-type::first-letter {
  font-family: var(--font-display);
  font-size: 3.4em;
  float: left;
  line-height: 0.85;
  padding-right: 8px;
  padding-top: 4px;
  color: var(--color-accent);
}

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

@media (max-width: 900px) {
  .item__link-wrap {
    grid-template-columns: 128px 1fr;
    gap: var(--space-3);
  }
}

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

  .masthead__nav {
    flex-direction: column;
    align-items: stretch;
  }
  .field--filter {
    flex-basis: auto;
  }
  .toggle-chip {
    justify-content: center;
  }

  .route__stop {
    grid-template-columns: 34px 1fr;
    gap: var(--space-2);
  }
  .route__dot {
    width: 28px;
    height: 28px;
    font-size: 10.5px;
  }

  .item__link-wrap {
    grid-template-columns: 1fr;
  }
  .item:not(.item--has-image) .item__link-wrap {
    grid-template-columns: 1fr;
  }
  .item__image {
    aspect-ratio: 16 / 9;
  }
  .item__title {
    font-size: 22px;
  }
  .item--featured .item__title {
    font-size: 30px;
  }

  .detail {
    width: 100vw;
    height: 100vh;
    max-height: 100vh;
    max-width: 100vw;
    border-radius: 0;
    margin: 0;
  }
  .detail__scroll {
    padding: var(--space-5) var(--space-4) var(--space-7);
  }
  .detail__body {
    font-size: 16.5px;
  }
}