/* ==========================================================================
   The Curb — editorial design system
   Swiss-ish grid, newsprint palette, local type.
   ========================================================================== */

/* ---- Fonts (local, OFL) -------------------------------------------------- */
@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: "Literata";
  src: url("assets/literata.ttf") format("truetype");
  font-weight: 400 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Space Grotesk";
  src: url("assets/space-grotesk.ttf") format("truetype");
  font-weight: 300 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "IBM Plex Mono";
  src: url("assets/ibm-plex-mono.ttf") format("truetype");
  font-weight: 400 600;
  font-style: normal;
  font-display: swap;
}

/* ---- Tokens -------------------------------------------------------------- */
:root {
  --paper: #fafaf7;
  --card: #ffffff;
  --ink: #18181b;
  --ink-soft: #3f3f46;
  --muted: #5b5b66;
  --muted-2: #71717a;
  --border: #e2e2dd;
  --border-strong: #c9c9c2;
  --control-border: #6b6b75;
  --accent: #e11d6f;
  --accent-ink: #a3124f;
  --accent-wash: #fde7f0;
  --focus: #1d4ed8;

  --font-display: "DM Serif Display", Georgia, "Times New Roman", serif;
  --font-body: "Literata", Georgia, serif;
  --font-ui: "Space Grotesk", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", "SFMono-Regular", Menlo, monospace;

  --maxw: 1180px;
  --pad: 24px;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 64px;

  --radius: 3px;
  --shadow-panel: 0 24px 60px rgba(24, 24, 27, 0.28);
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

/* ---- Reset --------------------------------------------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  background-color: var(--paper);
  color: var(--ink);
  font-family: var(--font-ui);
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

/* Keep the [hidden] attribute authoritative over component display rules. */
[hidden] {
  display: none !important;
}

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

h1,
h2,
h3,
p {
  margin: 0;
}

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.container {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--pad);
}

/* ---- Accessibility helpers ---------------------------------------------- */
.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;
}

.skip-link {
  position: absolute;
  left: var(--space-4);
  top: -60px;
  z-index: 1000;
  background: var(--ink);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 13px;
  padding: 10px 14px;
  border-radius: var(--radius);
  text-decoration: none;
  transition: top 0.15s var(--ease);
}
.skip-link:focus {
  top: var(--space-4);
}

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

/* ---- Master brand / header ---------------------------------------------- */
.site-header {
  padding-top: var(--space-3);
  background: var(--paper);
}

.utility-bar {
  display: flex;
  justify-content: space-between;
  gap: var(--space-4);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--muted);
  padding-bottom: var(--space-2);
}
.utility-center {
  color: var(--ink);
}
.utility-right {
  text-align: right;
}

.masthead {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-3) 0 var(--space-4);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.brand {
  margin: 0;
  text-align: center;
  line-height: 1;
}
.brand-mark {
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(42px, 8.5vw, 92px);
  letter-spacing: 0.005em;
  color: var(--ink);
}
.masthead-side {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}
.masthead-right {
  text-align: right;
}

.masthead-rule {
  height: 5px;
  border-top: 3px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  margin-top: 3px;
}

/* ---- Intro --------------------------------------------------------------- */
.intro {
  padding-top: var(--space-7);
  padding-bottom: var(--space-6);
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  gap: var(--space-5) var(--space-8);
  align-items: end;
}
.intro-heading {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(30px, 4.2vw, 50px);
  line-height: 1.06;
  letter-spacing: -0.01em;
  text-wrap: balance;
}
.intro-copy {
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.7;
  color: var(--ink-soft);
  max-width: 46ch;
}

/* ---- Controls ------------------------------------------------------------ */
.controls-band {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(250, 250, 247, 0.94);
  backdrop-filter: blur(8px);
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--border);
}
.controls {
  display: grid;
  grid-template-columns: minmax(240px, 1fr) 220px auto;
  gap: var(--space-4);
  align-items: end;
  padding-top: var(--space-4);
  padding-bottom: var(--space-4);
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}
.field > label,
.field-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

.input-wrap {
  position: relative;
  display: flex;
  align-items: center;
}
.input-icon {
  position: absolute;
  left: 12px;
  width: 17px;
  height: 17px;
  color: var(--muted-2);
  pointer-events: none;
}
.input-wrap input {
  width: 100%;
  height: 48px;
  padding: 0 14px 0 38px;
  background: var(--card);
  border: 1px solid var(--control-border);
  border-radius: var(--radius);
  font-family: var(--font-ui);
  font-size: 16px;
}
.input-wrap input::placeholder {
  color: var(--muted-2);
}
.input-wrap input:hover {
  border-color: var(--ink-soft);
}

.select-wrap {
  position: relative;
  display: flex;
  align-items: center;
}
.select-wrap select {
  width: 100%;
  height: 48px;
  padding: 0 40px 0 14px;
  background: var(--card);
  border: 1px solid var(--control-border);
  border-radius: var(--radius);
  font-family: var(--font-ui);
  font-size: 16px;
  appearance: none;
  cursor: pointer;
}
.select-wrap select:hover {
  border-color: var(--ink-soft);
}
.select-chevron {
  position: absolute;
  right: 12px;
  width: 18px;
  height: 18px;
  color: var(--ink);
  pointer-events: none;
}

.field-saved {
  align-items: flex-start;
}
.saved-toggle {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  height: 48px;
  padding: 0 16px;
  background: var(--card);
  border: 1px solid var(--control-border);
  border-radius: var(--radius);
  font-family: var(--font-ui);
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  transition: background-color 0.18s var(--ease), border-color 0.18s var(--ease),
    color 0.18s var(--ease);
  white-space: nowrap;
}
.saved-toggle:hover {
  border-color: var(--ink);
}
.saved-toggle .icon {
  width: 18px;
  height: 18px;
}
.saved-toggle[aria-pressed="true"] {
  background: var(--ink);
  border-color: var(--ink);
  color: #fff;
}
.saved-toggle[aria-pressed="true"] .bookmark-path {
  fill: currentColor;
}
.saved-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 22px;
  height: 22px;
  padding: 0 6px;
  border-radius: 11px;
  background: var(--border);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
}
.saved-toggle[aria-pressed="true"] .saved-count {
  background: #fff;
  color: var(--ink);
}

/* ---- Results status ------------------------------------------------------ */
.results-status {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
  padding-top: var(--space-5);
  padding-bottom: var(--space-2);
}

/* ---- Story grid ---------------------------------------------------------- */
.stories-region {
  padding-bottom: var(--space-8);
}

.story-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-6) var(--space-6);
  padding-top: var(--space-4);
}

.story-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding-top: var(--space-4);
  border-top: 2px solid var(--ink);
  cursor: pointer;
}

.card-media {
  overflow: hidden;
  background: var(--border);
  border-radius: var(--radius);
  aspect-ratio: 3 / 2;
}
.card-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s var(--ease);
}
.story-card:hover .card-image {
  transform: scale(1.03);
}

.card-body {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding-top: var(--space-4);
  flex: 1;
}

.card-eyebrow {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.tag {
  display: inline-block;
  padding: 3px 8px;
  border-radius: 999px;
  background: var(--accent-wash);
  color: var(--accent-ink);
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}
.tag-culture { background: #efe6fb; color: #5b21b6; }
.tag-food { background: #e4f3e2; color: #24622a; }
.tag-movement { background: #e0eefc; color: #1e4e8c; }
.tag-people { background: #fde7f0; color: #a3124f; }
.tag-places { background: #fbeed9; color: #8a4b0a; }

.card-title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(21px, 2.1vw, 26px);
  line-height: 1.14;
  text-wrap: balance;
}
.open-item {
  display: block;
  width: 100%;
  padding: 0;
  border: 0;
  background: none;
  color: var(--ink);
  font: inherit;
  text-align: left;
  cursor: pointer;
}
.open-item::after {
  /* full-card hit area */
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
}
.story-card:hover .open-item {
  color: var(--accent-ink);
}

.card-summary {
  font-family: var(--font-body);
  font-size: 15.5px;
  line-height: 1.6;
  color: var(--ink-soft);
}

.card-byline {
  margin-top: auto;
  padding-top: var(--space-2);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.02em;
  color: var(--muted);
}

.card-open-hint {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-ui);
  font-size: 13px;
  font-weight: 500;
  color: var(--ink);
}
.card-open-hint .icon {
  width: 15px;
  height: 15px;
  transition: transform 0.2s var(--ease);
}
.story-card:hover .card-open-hint .icon {
  transform: translateX(3px);
}

/* Lead story (first result) */
.story-card.is-lead {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
  gap: var(--space-6);
  align-items: stretch;
  padding-top: 0;
  border-top: 0;
  border-bottom: 2px solid var(--ink);
  padding-bottom: var(--space-6);
  background: var(--card);
  border-radius: var(--radius);
  padding: 0;
  overflow: hidden;
}
.story-card.is-lead .card-media {
  order: 2;
  border-radius: 0;
  aspect-ratio: auto;
  min-height: 340px;
}
.story-card.is-lead .card-body {
  order: 1;
  gap: var(--space-3);
  padding: var(--space-7) var(--space-6) var(--space-7) var(--space-7);
  justify-content: center;
}
.story-card.is-lead .card-title {
  font-size: clamp(30px, 4vw, 50px);
  line-height: 1.04;
}
.story-card.is-lead .card-summary {
  font-size: 18px;
  max-width: 46ch;
}
.story-card.is-lead .lead-kicker {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-ink);
}

/* ---- Empty state --------------------------------------------------------- */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-3);
  padding: var(--space-8) var(--space-4);
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius);
  margin-top: var(--space-4);
  background: var(--card);
}
.empty-icon {
  width: 34px;
  height: 34px;
  color: var(--muted-2);
}
.empty-state h2 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 28px;
}
.empty-state p {
  color: var(--muted);
  max-width: 42ch;
}

/* ---- Buttons ------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 16px;
  border: 1px solid var(--control-border);
  border-radius: var(--radius);
  background: var(--card);
  font-family: var(--font-ui);
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  transition: background-color 0.18s var(--ease), border-color 0.18s var(--ease),
    color 0.18s var(--ease), transform 0.1s var(--ease);
}
.btn:hover {
  border-color: var(--ink);
}
.btn:active {
  transform: translateY(1px);
}
.btn .icon {
  width: 18px;
  height: 18px;
}
.btn-primary {
  background: var(--ink);
  border-color: var(--ink);
  color: #fff;
}
.btn-primary:hover {
  background: #000;
}
.btn-ghost {
  border-color: transparent;
  padding-inline: 10px;
}
.btn-ghost:hover {
  border-color: var(--control-border);
  background: var(--paper);
}
.btn-save {
  border-color: var(--ink);
}
.btn-save[aria-pressed="true"] {
  background: var(--ink);
  border-color: var(--ink);
  color: #fff;
}
.btn-save[aria-pressed="true"] .bookmark-path {
  fill: currentColor;
}

/* ---- Detail overlay ------------------------------------------------------ */
.detail-overlay {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  justify-content: flex-end;
  background: rgba(24, 24, 27, 0.5);
  animation: overlay-in 0.2s var(--ease);
}
@keyframes overlay-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

.detail-panel {
  width: min(760px, 100%);
  height: 100%;
  background: var(--paper);
  box-shadow: var(--shadow-panel);
  overflow-y: auto;
  overscroll-behavior: contain;
  animation: panel-in 0.28s var(--ease);
}
@keyframes panel-in {
  from { transform: translateX(28px); opacity: 0.6; }
  to { transform: translateX(0); opacity: 1; }
}

.detail-topbar {
  position: sticky;
  top: 0;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  flex-wrap: wrap;
  padding: var(--space-4) var(--space-6);
  background: rgba(250, 250, 247, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.detail-article {
  padding: var(--space-7) var(--space-6) var(--space-8);
}

.detail-eyebrow {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.detail-title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(32px, 5.5vw, 54px);
  line-height: 1.03;
  letter-spacing: -0.012em;
  margin-top: var(--space-4);
  text-wrap: balance;
}
.detail-summary {
  font-family: var(--font-body);
  font-size: 20px;
  line-height: 1.55;
  color: var(--ink-soft);
  margin-top: var(--space-4);
  max-width: 58ch;
}
.detail-byline {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.02em;
  color: var(--muted);
  margin-top: var(--space-4);
  padding-bottom: var(--space-5);
  border-bottom: 1px solid var(--border);
}

.detail-figure {
  margin: var(--space-5) 0 var(--space-6);
}
.detail-image {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border-radius: var(--radius);
}
.detail-caption {
  font-family: var(--font-mono);
  font-size: 11.5px;
  line-height: 1.5;
  color: var(--muted);
  margin-top: var(--space-2);
}

.detail-body {
  font-family: var(--font-body);
  font-size: 19px;
  line-height: 1.75;
  color: #232327;
  max-width: 66ch;
}
.detail-body p + p {
  margin-top: var(--space-4);
}
.detail-body p:first-child::first-letter {
  float: left;
  font-family: var(--font-display);
  font-size: 3.1em;
  line-height: 0.82;
  padding: 4px 10px 0 0;
  color: var(--accent-ink);
}

/* ---- Footer -------------------------------------------------------------- */
.site-footer {
  border-top: 3px solid var(--ink);
  background: var(--paper);
  padding: var(--space-6) 0 var(--space-7);
}
.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr);
  gap: var(--space-6);
}
.footer-brand {
  font-family: var(--font-display);
  font-size: 26px;
}
.footer-copy,
.footer-note {
  font-family: var(--font-ui);
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--muted);
  max-width: 60ch;
}
.footer-copy {
  margin-top: var(--space-2);
}
.footer-note {
  margin: 0;
}

/* ---- Responsive ---------------------------------------------------------- */
@media (max-width: 1024px) {
  .story-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .story-card.is-lead {
    grid-template-columns: 1fr;
  }
  .story-card.is-lead .card-media {
    order: 1;
    min-height: 260px;
    aspect-ratio: 16 / 8;
  }
  .story-card.is-lead .card-body {
    order: 2;
    padding: var(--space-5);
  }
}

@media (max-width: 820px) {
  :root {
    --pad: 18px;
  }
  .intro {
    grid-template-columns: 1fr;
    gap: var(--space-3);
    padding-top: var(--space-6);
  }
  .controls {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3);
  }
  .controls-band {
    position: static;
  }
  .field-search {
    grid-column: 1 / -1;
  }
  .field-saved {
    grid-column: 1 / -1;
  }
  .saved-toggle {
    width: 100%;
    justify-content: center;
  }
  .masthead {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 6px;
  }
  .masthead-side {
    display: none;
  }
  .utility-right,
  .utility-center {
    display: none;
  }
  .utility-bar {
    justify-content: flex-start;
  }
  .detail-article {
    padding: var(--space-6) var(--space-5) var(--space-7);
  }
  .detail-topbar {
    padding: var(--space-3) var(--space-4);
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }
}

@media (max-width: 560px) {
  body {
    font-size: 16px;
  }
  .story-grid {
    grid-template-columns: 1fr;
    gap: var(--space-5);
  }
  .controls {
    grid-template-columns: 1fr;
  }
  .detail-body {
    font-size: 17.5px;
  }
  .detail-summary {
    font-size: 18px;
  }
  /* sheet-like panel from the bottom on phones */
  .detail-overlay {
    align-items: flex-end;
  }
  .detail-panel {
    width: 100%;
    height: 96%;
    border-radius: 12px 12px 0 0;
  }
  @keyframes panel-in {
    from { transform: translateY(40px); opacity: 0.7; }
    to { transform: translateY(0); opacity: 1; }
  }
}

/* ---- Reduced motion ------------------------------------------------------ */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .story-card:hover .card-image {
    transform: none;
  }
}