/* City Index — a card-catalog magazine of everyday city life */

:root {
  --paper: #f5f0e6;
  --surface: #eee3c8;
  --surface-2: #fbf8f2;
  --ink: #221c15;
  --muted: #5b5145;
  --rule: #d8cbab;
  --rule-strong: #b9a97e;
  --accent: #8b2a1e;
  --accent-ink: #fbf3ec;
  --focus-ring: #8b2a1e;

  --cat-culture: #4b3b78;
  --cat-food: #a34a16;
  --cat-movement: #185e5a;
  --cat-people: #7a5d12;
  --cat-places: #275c34;

  --font-display: Georgia, "Iowan Old Style", "Palatino Linotype", "Times New Roman", serif;
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, "SFMono-Regular", "Courier New", Courier, monospace;

  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-6: 24px;
  --space-8: 32px;
  --space-12: 48px;
  --space-16: 64px;
  --space-24: 96px;

  --radius: 3px;
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
  overflow-x: clip;
}

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

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--ink);
  color: var(--accent-ink);
  padding: var(--space-3) var(--space-4);
  z-index: 100;
  border-radius: var(--radius);
}

.skip-link:focus {
  left: var(--space-4);
  top: var(--space-4);
}

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

.masthead {
  background: var(--ink);
  color: var(--surface-2);
  padding: var(--space-16) var(--space-6) var(--space-12);
  background-image: repeating-linear-gradient(
    to bottom,
    rgba(255, 255, 255, 0.035) 0px,
    rgba(255, 255, 255, 0.035) 1px,
    transparent 1px,
    transparent 3px
  );
}

.masthead-inner {
  max-width: 880px;
  margin: 0 auto;
  text-align: center;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #cbb98f;
  margin: 0 0 var(--space-4);
  animation: fade-in 0.6s ease-out both;
}

.wordmark {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.75rem, 8vw, 5.5rem);
  line-height: 0.98;
  letter-spacing: -0.02em;
  margin: 0 0 var(--space-4);
  animation: rise-in 0.7s cubic-bezier(0.22, 1, 0.36, 1) 0.08s both;
}

.tagline {
  font-family: var(--font-body);
  font-size: clamp(0.95rem, 2vw, 1.1rem);
  color: #e7dfcd;
  max-width: 46ch;
  margin: 0 auto;
  animation: fade-in 0.7s ease-out 0.18s both;
}

@keyframes fade-in {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes rise-in {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ---------- Control rail ---------- */

.rail {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--paper);
  border-bottom: 2px solid var(--ink);
  padding: var(--space-4) var(--space-6);
}

.rail-inner {
  max-width: 1180px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: end;
  gap: var(--space-4);
}

.field {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.field label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--muted);
}

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

.input-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.input-icon {
  position: absolute;
  left: var(--space-3);
  width: 18px;
  height: 18px;
  color: var(--muted);
  pointer-events: none;
}

#search {
  width: 100%;
  height: 44px;
  padding: 0 var(--space-3) 0 calc(var(--space-3) * 2 + 18px);
  border: 1.5px solid var(--rule-strong);
  border-radius: var(--radius);
  background: var(--surface-2);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
}

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

#filter {
  height: 44px;
  padding: 0 var(--space-3);
  border: 1.5px solid var(--rule-strong);
  border-radius: var(--radius);
  background: var(--surface-2);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
}

.saved-toggle {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  height: 44px;
  padding: 0 var(--space-4);
  border: 1.5px solid var(--ink);
  border-radius: var(--radius);
  background: var(--surface-2);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: background 180ms cubic-bezier(0.22, 1, 0.36, 1), color 180ms cubic-bezier(0.22, 1, 0.36, 1),
    transform 150ms cubic-bezier(0.22, 1, 0.36, 1);
}

.saved-toggle .pin-icon {
  width: 16px;
  height: 16px;
}

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

@media (hover: hover) and (pointer: fine) {
  .saved-toggle:hover {
    transform: translateY(-1px);
    background: var(--ink);
    color: var(--surface-2);
    border-color: var(--ink);
  }
  .saved-toggle[aria-pressed="true"]:hover {
    background: var(--accent);
    color: var(--accent-ink);
    border-color: var(--accent);
  }
}

.saved-toggle:active {
  transform: scale(0.97);
}

.result-count {
  max-width: 1180px;
  margin: var(--space-2) auto 0;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
}

/* ---------- Card grid ---------- */

main {
  max-width: 1180px;
  margin: 0 auto;
  padding: var(--space-8) var(--space-6) var(--space-24);
}

.card-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--space-6);
}

.card {
  position: relative;
  background: var(--surface);
  border: 1.5px solid var(--ink);
  border-radius: var(--radius);
  padding: var(--space-6) var(--space-4) var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  transition: transform 200ms cubic-bezier(0.22, 1, 0.36, 1), box-shadow 200ms cubic-bezier(0.22, 1, 0.36, 1);
}

.card.card--enter {
  animation: card-in 0.5s cubic-bezier(0.22, 1, 0.36, 1) both;
  animation-delay: calc(var(--i, 0) * 70ms);
}

@keyframes card-in {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.card::before {
  content: "";
  position: absolute;
  top: 14px;
  left: 14px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--paper);
  border: 1.5px solid var(--ink);
}

@media (hover: hover) and (pointer: fine) {
  .card:hover {
    transform: translateY(-3px);
    box-shadow: 4px 6px 0 rgba(34, 28, 21, 0.18);
  }
}

.card-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-3);
  padding-left: var(--space-6);
}

.tab {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: var(--space-1) var(--space-2);
  border-radius: 2px;
  color: var(--accent-ink);
  white-space: nowrap;
}

.tab[data-cat="Culture"] {
  background: var(--cat-culture);
}
.tab[data-cat="Food"] {
  background: var(--cat-food);
}
.tab[data-cat="Movement"] {
  background: var(--cat-movement);
}
.tab[data-cat="People"] {
  background: var(--cat-people);
}
.tab[data-cat="Places"] {
  background: var(--cat-places);
}

.pin-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
}

.pin-badge svg {
  width: 12px;
  height: 12px;
}

.card-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.3rem;
  line-height: 1.2;
  margin: 0;
  padding-left: var(--space-6);
}

.card-meta {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
  padding-left: var(--space-6);
}

.card-summary {
  font-size: 15px;
  line-height: 1.6;
  color: var(--ink);
  margin: 0;
  padding-left: var(--space-6);
  flex: 1;
}

.open-item {
  align-self: flex-start;
  margin-left: var(--space-6);
  margin-top: var(--space-2);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  height: 44px;
  padding: 0 var(--space-4);
  background: var(--ink);
  color: var(--surface-2);
  border: none;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 150ms cubic-bezier(0.22, 1, 0.36, 1), background 150ms cubic-bezier(0.22, 1, 0.36, 1);
}

@media (hover: hover) and (pointer: fine) {
  .open-item:hover {
    background: var(--accent);
    transform: translateY(-1px);
  }
}

.open-item:active {
  transform: scale(0.97);
}

.open-item .arrow {
  transition: transform 150ms cubic-bezier(0.22, 1, 0.36, 1);
}

@media (hover: hover) and (pointer: fine) {
  .open-item:hover .arrow {
    transform: translateX(3px);
  }
}

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

.empty-state {
  text-align: center;
  padding: var(--space-16) var(--space-6);
  border: 1.5px dashed var(--rule-strong);
  border-radius: var(--radius);
  margin-top: var(--space-6);
}

.empty-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  margin: 0 0 var(--space-2);
}

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

.reset-btn {
  height: 44px;
  padding: 0 var(--space-6);
  background: var(--accent);
  color: var(--accent-ink);
  border: none;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: transform 150ms cubic-bezier(0.22, 1, 0.36, 1), filter 150ms cubic-bezier(0.22, 1, 0.36, 1);
}

@media (hover: hover) and (pointer: fine) {
  .reset-btn:hover {
    filter: brightness(1.1);
    transform: translateY(-1px);
  }
}

.reset-btn:active {
  transform: scale(0.97);
}

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

.colophon {
  border-top: 2px solid var(--ink);
  padding: var(--space-8) var(--space-6);
  text-align: center;
  color: var(--muted);
  font-size: 13px;
}

.colophon strong {
  color: var(--ink);
}

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

.detail-dialog {
  border: none;
  padding: 0;
  border-radius: 4px;
  width: min(700px, 92vw);
  max-height: min(86vh, 900px);
  background: var(--surface-2);
  color: var(--ink);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
}

.detail-dialog::backdrop {
  background: rgba(20, 16, 12, 0.55);
}

.detail-dialog[open] {
  animation: dialog-in 0.28s cubic-bezier(0.22, 1, 0.36, 1) both;
}

@keyframes dialog-in {
  from {
    opacity: 0;
    transform: translateY(12px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.detail-card {
  display: flex;
  flex-direction: column;
  max-height: min(86vh, 900px);
}

.detail-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-6);
  border-bottom: 2px solid var(--ink);
}

.close-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  height: 44px;
  padding: 0 var(--space-4);
  background: transparent;
  border: 1.5px solid var(--ink);
  border-radius: var(--radius);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: background 150ms cubic-bezier(0.22, 1, 0.36, 1), color 150ms cubic-bezier(0.22, 1, 0.36, 1),
    transform 150ms cubic-bezier(0.22, 1, 0.36, 1);
}

.close-btn svg {
  width: 14px;
  height: 14px;
}

@media (hover: hover) and (pointer: fine) {
  .close-btn:hover {
    background: var(--ink);
    color: var(--surface-2);
  }
}

.close-btn:active {
  transform: scale(0.97);
}

.detail-scroll {
  overflow-y: auto;
  padding: var(--space-6);
}

.plate-number {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 var(--space-2);
}

#detailTitle {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 4vw, 2.1rem);
  line-height: 1.15;
  margin: 0 0 var(--space-3);
}

.detail-meta {
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--muted);
  margin: 0 0 var(--space-6);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--rule);
}

.detail-body {
  font-size: 17px;
  line-height: 1.7;
  max-width: 68ch;
}

.detail-body p {
  margin: 0 0 var(--space-4);
}

.detail-actions {
  margin-top: var(--space-6);
  padding-top: var(--space-6);
  border-top: 2px solid var(--ink);
}

.save-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  height: 48px;
  padding: 0 var(--space-6) 0 var(--space-3);
  background: var(--surface);
  border: 1.5px solid var(--ink);
  border-radius: var(--radius);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: background 180ms cubic-bezier(0.22, 1, 0.36, 1), color 180ms cubic-bezier(0.22, 1, 0.36, 1),
    transform 150ms cubic-bezier(0.22, 1, 0.36, 1);
}

.save-btn .stamp-mark {
  width: 32px;
  height: 32px;
  color: var(--muted);
  opacity: 0.5;
  transform: scale(0.8) rotate(-14deg);
  transition: opacity 200ms cubic-bezier(0.22, 1, 0.36, 1), transform 200ms cubic-bezier(0.22, 1, 0.36, 1),
    color 200ms cubic-bezier(0.22, 1, 0.36, 1);
}

.save-btn[aria-pressed="true"] {
  background: var(--accent);
  color: var(--accent-ink);
  border-color: var(--accent);
}

.save-btn[aria-pressed="true"] .stamp-mark {
  color: var(--accent-ink);
  opacity: 1;
  transform: scale(1) rotate(-8deg);
}

.save-btn.stamping .stamp-mark {
  animation: stamp-down 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}

@keyframes stamp-down {
  0% {
    transform: scale(1.6) rotate(-8deg);
    opacity: 0;
  }
  60% {
    transform: scale(0.9) rotate(-8deg);
    opacity: 1;
  }
  100% {
    transform: scale(1) rotate(-8deg);
  }
}

@media (hover: hover) and (pointer: fine) {
  .save-btn:hover {
    transform: translateY(-1px);
  }
}

.save-btn:active {
  transform: scale(0.97);
}

/* ---------- Focus states ---------- */

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

.card:focus-within {
  outline: none;
}

.open-item:focus-visible {
  outline-offset: 3px;
}

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

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

/* ---------- Mobile ---------- */

@media (max-width: 640px) {
  .masthead {
    padding: var(--space-12) var(--space-4) var(--space-8);
  }

  .rail {
    padding: var(--space-4);
  }

  .rail-inner {
    flex-direction: column;
    align-items: stretch;
  }

  .field-filter,
  .field-search {
    flex-basis: auto;
    min-width: 0;
  }

  .saved-toggle {
    justify-content: center;
  }

  main {
    padding: var(--space-6) var(--space-4) var(--space-16);
  }

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

  .detail-dialog {
    width: 100vw;
    max-width: 100vw;
    height: 100vh;
    max-height: 100vh;
    border-radius: 0;
    margin: 0;
  }

  .detail-card {
    max-height: 100vh;
  }

  .detail-head {
    padding: var(--space-3) var(--space-4);
  }

  .detail-scroll {
    padding: var(--space-4);
  }
}