/* Crossing - a magazine of everyday city life.
   Self-hosted fonts (provided asset pool). Plain CSS, no build. */

@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;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "DM Sans";
  src: url("assets/dm-sans.ttf") format("truetype");
  font-weight: 400;
  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 {
  --paper: #f1f2ec;
  --surface: #ffffff;
  --surface-tint: #eceee6;
  --ink: #15171b;
  --ink-soft: #565b63;
  --ink-faint: #8a9099;
  --rule: #d6d9d0;
  --accent: #1c4d8c;
  --accent-soft: #e7eef8;
  --on-accent: #ffffff;
  --shadow: 0 1px 0 rgba(20, 24, 30, 0.04), 0 12px 30px rgba(20, 24, 30, 0.08);

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

  --radius: 4px;
  --maxw: 1280px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #101317;
    --surface: #161a1f;
    --surface-tint: #1c2128;
    --ink: #e9eae4;
    --ink-soft: #9aa0a8;
    --ink-faint: #6d737c;
    --rule: #262b32;
    --accent: #7ba2e0;
    --accent-soft: #1b2735;
    --on-accent: #0b0d10;
    --shadow: 0 1px 0 rgba(0,0,0,0.3), 0 18px 40px rgba(0,0,0,0.45);
  }
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-ui);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--ink);
  color: var(--paper);
  padding: 0.5rem 0.75rem;
  border-radius: 0;
  z-index: 100;
}
.skip-link:focus { left: 0.5rem; top: 0.5rem; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ---------- Masthead ---------- */
.masthead {
  border-bottom: 1px solid var(--rule);
  background: var(--paper);
}
.masthead-row {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 1.5rem 1.5rem 1.25rem;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1.5rem;
}
.wordmark {
  display: flex;
  flex-direction: column;
  line-height: 1;
  color: var(--ink);
}
.wordmark:hover { text-decoration: none; }
.wordmark-mark {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.5vw, 3rem);
  letter-spacing: -0.01em;
  line-height: 1;
}
.wordmark-sub {
  margin-top: 0.45rem;
  font-size: 0.78rem;
  letter-spacing: 0.02em;
  color: var(--ink-soft);
  text-transform: none;
}
.primary-nav {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}
.primary-nav a,
.primary-nav button {
  font-family: var(--font-ui);
  font-size: 0.92rem;
  color: var(--ink);
  background: transparent;
  border: 1px solid transparent;
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}
.primary-nav a:hover,
.primary-nav button:hover {
  background: var(--surface-tint);
  text-decoration: none;
}
.primary-nav button[aria-pressed="true"] {
  background: var(--accent);
  color: var(--on-accent);
  border-color: var(--accent);
}
.primary-nav button[aria-pressed="true"]:hover { background: var(--accent); }

.saved-count {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  padding: 0.05rem 0.35rem;
  border-radius: 999px;
  background: var(--surface-tint);
  color: var(--ink-soft);
}
.primary-nav button[aria-pressed="true"] .saved-count {
  background: rgba(255,255,255,0.22);
  color: var(--on-accent);
}

.bookmark-ico {
  width: 14px; height: 16px;
  display: inline-block;
  background: currentColor;
  -webkit-mask: url("assets/icon-bookmark.svg") no-repeat center / contain;
          mask: url("assets/icon-bookmark.svg") no-repeat center / contain;
}

/* ---------- Toolbar ---------- */
.toolbar {
  border-bottom: 1px solid var(--rule);
  background: var(--paper);
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: saturate(1.1);
}
.toolbar-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0.85rem 1.5rem;
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 1rem 1.75rem;
}
.field { display: flex; flex-direction: column; gap: 0.3rem; }
.field label {
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
  text-transform: uppercase;
}
.field-search { flex: 1 1 280px; min-width: 200px; }
.field-filter { flex: 0 0 auto; }

input[type="search"],
select {
  font-family: var(--font-ui);
  font-size: 0.95rem;
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: 0.55rem 0.7rem;
  width: 100%;
  transition: border-color 0.2s, box-shadow 0.2s;
}
input[type="search"]:focus,
select:focus {
  border-color: var(--accent);
  outline: none;
  box-shadow: 0 0 0 3px var(--accent-soft);
}
select {
  appearance: none;
  -webkit-appearance: none;
  padding-right: 2rem;
  background-image: linear-gradient(45deg, transparent 50%, var(--ink-soft) 50%),
                    linear-gradient(135deg, var(--ink-soft) 50%, transparent 50%);
  background-position: calc(100% - 1.05rem) 55%, calc(100% - 0.8rem) 55%;
  background-size: 6px 6px, 6px 6px;
  background-repeat: no-repeat;
}

.result-count {
  margin: 0 0 0 auto;
  align-self: center;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--ink-soft);
  white-space: nowrap;
}

/* ---------- Story grid ---------- */
.stories { max-width: var(--maxw); margin: 0 auto; padding: 2rem 1.5rem 4rem; }

.grid { display: grid; gap: 1.75rem; }

@media (min-width: 760px) {
  .grid { grid-template-columns: repeat(2, 1fr); gap: 2rem 1.75rem; }
}
@media (min-width: 1040px) {
  .grid { grid-template-columns: repeat(3, 1fr); }
}

/* Featured lead (only on default browsing state) */
.card.featured {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 0;
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}
@media (min-width: 1040px) {
  .card.featured { grid-template-columns: 1.3fr 1fr; }
}
@media (max-width: 759px) {
  .card.featured { grid-template-columns: 1fr; }
}

.card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
@media (hover: hover) {
  .card:hover { transform: translateY(-3px); box-shadow: 0 1px 0 rgba(20,24,30,0.04), 0 18px 36px rgba(20,24,30,0.12); }
}

.card-media { position: relative; aspect-ratio: 16 / 10; overflow: hidden; background: var(--surface-tint); }
.card.featured .card-media { aspect-ratio: auto; height: 100%; min-height: 280px; }
.card-media img {
  width: 100%; height: 100%; object-fit: cover;
  filter: saturate(0.86) contrast(1.03) brightness(0.99);
}
@media (prefers-color-scheme: dark) {
  .card-media img { filter: saturate(0.7) brightness(0.82) contrast(1.05); }
}

.card-body { padding: 1.1rem 1.15rem 1.25rem; display: flex; flex-direction: column; gap: 0.55rem; flex: 1; }
.card.featured .card-body { padding: 2rem 1.75rem; justify-content: center; gap: 0.8rem; }

.card-cat {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0;
}
.card-title {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.12;
  margin: 0;
  font-size: 1.5rem;
}
.card.featured .card-title { font-size: clamp(1.8rem, 3vw, 2.4rem); line-height: 1.08; }
.card-title button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  padding: 0;
  margin: 0;
  text-align: left;
  cursor: pointer;
  border-radius: var(--radius);
  transition: color 0.2s;
}
.card-title button:hover { color: var(--accent); }

.card-summary {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.55;
  color: var(--ink-soft);
  margin: 0;
}
.card.featured .card-summary { font-size: 1.08rem; max-width: 48ch; }

.card-meta {
  margin: 0;
  margin-top: auto;
  padding-top: 0.65rem;
  border-top: 1px solid var(--rule);
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  font-size: 0.82rem;
  color: var(--ink-soft);
  flex-wrap: wrap;
}
.card-meta cite { font-style: normal; color: var(--ink); font-family: var(--font-ui); font-size: 0.86rem; }
.card-meta time,
.card-meta .meta-read { font-family: var(--font-mono); font-size: 0.78rem; color: var(--ink-faint); }

.card-save {
  position: absolute;
  top: 0.7rem; right: 0.7rem;
  width: 36px; height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,0.86);
  border: 1px solid var(--rule);
  border-radius: 999px;
  color: var(--ink-soft);
  cursor: pointer;
  transition: background 0.2s, color 0.2s, border-color 0.2s, transform 0.15s;
  z-index: 2;
}
.card-save:hover { color: var(--accent); border-color: var(--accent); }
.card-save:active { transform: scale(0.94); }
.card-save[aria-pressed="true"] {
  background: var(--accent);
  color: var(--on-accent);
  border-color: var(--accent);
}
@media (prefers-color-scheme: dark) {
  .card-save { background: rgba(22,26,31,0.86); }
}

/* ---------- Empty state ---------- */
.empty-state {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 4rem 1.5rem;
  text-align: center;
}
.empty-title { font-family: var(--font-display); font-size: 1.6rem; margin: 0 0 0.5rem; }
.empty-body { color: var(--ink-soft); margin: 0 0 1.5rem; font-family: var(--font-body); }

.btn {
  font-family: var(--font-ui);
  font-size: 0.92rem;
  padding: 0.6rem 1.1rem;
  border-radius: var(--radius);
  border: 1px solid var(--accent);
  cursor: pointer;
  transition: background 0.2s, color 0.2s, transform 0.15s;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--accent); color: var(--on-accent); }
.btn-primary:hover { filter: brightness(1.05); }

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--rule);
  background: var(--paper);
  margin-top: 2rem;
}
.footer-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 2.5rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.footer-mark {
  font-family: var(--font-display);
  font-size: 1.4rem;
  margin: 0;
  color: var(--ink);
}
.footer-note {
  font-family: var(--font-body);
  color: var(--ink-soft);
  font-size: 0.88rem;
  max-width: 62ch;
  margin: 0;
}

/* ---------- Detail dialog / panel ---------- */
dialog {
  margin: 0;
  padding: 0;
  border: 0;
  background: transparent;
  color: inherit;
  max-width: none;
  max-height: none;
}
dialog#detail {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100dvh;
  display: none;
  align-items: stretch;
  justify-content: flex-end;
  z-index: 50;
}
dialog#detail[open] { display: flex; }
dialog#detail::backdrop {
  background: rgba(8, 10, 14, 0.55);
  backdrop-filter: blur(2px);
}
@media (prefers-reduced-transparency: reduce) {
  dialog#detail::backdrop { backdrop-filter: none; }
}

.panel {
  width: min(760px, 100%);
  height: 100dvh;
  background: var(--surface);
  border-left: 1px solid var(--rule);
  box-shadow: -24px 0 60px rgba(0,0,0,0.25);
  overflow-y: auto;
  overscroll-behavior: contain;
}
@media (max-width: 640px) {
  .panel { width: 100%; border-left: 0; }
}

.panel-bar {
  position: sticky;
  top: 0;
  z-index: 2;
  display: flex;
  justify-content: flex-start;
  padding: 0.85rem 1.25rem;
  background: linear-gradient(var(--surface), var(--surface) 70%, transparent);
}
.close-btn {
  font-family: var(--font-ui);
  font-size: 0.88rem;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background: transparent;
  border: 1px solid var(--rule);
  color: var(--ink);
  padding: 0.45rem 0.8rem;
  border-radius: 999px;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s;
}
.close-btn:hover { background: var(--surface-tint); border-color: var(--ink-soft); }
.close-btn span { font-size: 1.2rem; line-height: 1; }

.article { padding: 0 1.75rem 4rem; max-width: 64ch; margin: 0 auto; }
@media (max-width: 640px) { .article { padding: 0 1.25rem 4rem; } }

.article-cat {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 1rem;
}
#detail-title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(2rem, 4.5vw, 2.8rem);
  line-height: 1.08;
  margin: 0 0 1.25rem;
  letter-spacing: -0.005em;
}
.article-byline {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.6rem;
  font-size: 0.88rem;
  color: var(--ink-soft);
  padding-bottom: 1.25rem;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--rule);
}
.article-byline cite { font-style: normal; color: var(--ink); font-family: var(--font-ui); }
.article-byline time,
.article-byline .meta-read { font-family: var(--font-mono); font-size: 0.82rem; color: var(--ink-faint); }

.article-hero {
  margin: 0 0 1.5rem;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--surface-tint);
}
.article-hero img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  filter: saturate(0.88) contrast(1.03);
}
@media (prefers-color-scheme: dark) {
  .article-hero img { filter: saturate(0.72) brightness(0.84) contrast(1.05); }
}
.article-caption {
  font-family: var(--font-body);
  font-style: italic;
  font-size: 0.82rem;
  color: var(--ink-soft);
  margin: -1rem 0 1.75rem;
}
.article-body p {
  font-family: var(--font-body);
  font-size: 1.125rem;
  line-height: 1.72;
  margin: 0 0 1.1rem;
  color: var(--ink);
}
.article-body p:first-of-type::first-letter {
  font-family: var(--font-display);
  font-size: 3.1rem;
  float: left;
  line-height: 0.86;
  padding: 0.18rem 0.5rem 0 0;
  color: var(--accent);
}

.article-actions {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--rule);
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}
.save-toggle {
  font-family: var(--font-ui);
  font-size: 0.92rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1rem;
  border-radius: 999px;
  border: 1px solid var(--accent);
  background: transparent;
  color: var(--accent);
  cursor: pointer;
  transition: background 0.2s, color 0.2s, transform 0.15s;
}
.save-toggle:hover { background: var(--accent-soft); }
.save-toggle:active { transform: scale(0.97); }
.save-toggle[aria-pressed="true"] {
  background: var(--accent);
  color: var(--on-accent);
}
.save-toggle .bookmark-ico { width: 13px; height: 15px; }

/* ---------- Motion ---------- */
@media (prefers-reduced-motion: no-preference) {
  dialog#detail[open] .panel { animation: slide-in 0.32s cubic-bezier(0.16, 1, 0.3, 1); }
  @keyframes slide-in {
    from { transform: translateX(24px); opacity: 0; }
    to   { transform: translateX(0); opacity: 1; }
  }
  .card { will-change: transform; }
}
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}

/* ---------- Mobile nav collapse ---------- */
@media (max-width: 520px) {
  .masthead-row { flex-direction: column; align-items: flex-start; gap: 0.8rem; }
  .wordmark-sub { font-size: 0.74rem; }
  .primary-nav { width: 100%; justify-content: space-between; }
  .toolbar-inner { padding: 0.75rem 1.25rem; }
  .field-search { flex-basis: 100%; }
  .result-count { margin-left: 0; }
}