/* Kerbside. Editorial magazine system: Literata for reading, Space Grotesk for interface.
   One accent (signal orange), square corners everywhere, tokens swap for dark mode. */

@font-face {
  font-family: "Literata";
  src: url("assets/literata.ttf") format("truetype");
  font-weight: 200 900;
  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;
}

:root {
  --bg: #eef1ee;
  --surface: #ffffff;
  --ink: #14201c;
  --ink-soft: #3d4a45;
  --line: #c9d1cc;
  --accent: #c2410c;
  --accent-ink: #ffffff;
  --accent-soft: #fbe3d6;
  --focus: #0b5cad;
  --scrim: rgb(20 32 28 / 0.55);

  --serif: "Literata", Georgia, "Times New Roman", serif;
  --sans: "Space Grotesk", system-ui, -apple-system, "Segoe UI", sans-serif;

  --wrap: 1360px;
  --gutter: clamp(16px, 4vw, 48px);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #101714;
    --surface: #17211d;
    --ink: #e8eee9;
    --ink-soft: #b4c0ba;
    --line: #2f3d37;
    --accent: #ff9566;
    --accent-ink: #1a0f08;
    --accent-soft: #3a2418;
    --focus: #7cb8ff;
    --scrim: rgb(0 0 0 / 0.65);
  }
}

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

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

body {
  margin: 0;
  min-height: 100dvh;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1rem;
  line-height: 1.5;
  display: flex;
  flex-direction: column;
}
body.locked { overflow: hidden; }

main { flex: 1; }

img { display: block; max-width: 100%; }
h1, h2, h3, p { margin: 0; }

.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

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

.skip {
  position: absolute;
  left: 8px;
  top: -64px;
  z-index: 40;
  background: var(--ink);
  color: var(--bg);
  padding: 10px 14px;
  font-weight: 600;
}
.skip:focus { top: 8px; }

/* Masthead */
.masthead {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--bg);
  border-bottom: 2px solid var(--ink);
}
.masthead-row {
  display: flex;
  align-items: center;
  gap: 20px;
  height: 64px;
}
.brand {
  font-family: var(--serif);
  font-weight: 900;
  font-size: 1.75rem;
  letter-spacing: -0.03em;
  line-height: 1;
  color: var(--ink);
  text-decoration: none;
}
.brand:hover { color: var(--accent); }
.issue {
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
  margin-right: auto;
  padding-left: 20px;
  border-left: 1px solid var(--line);
}

.saved-toggle {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  padding: 0 14px;
  font: 600 0.9375rem/1 var(--sans);
  color: var(--ink);
  background: transparent;
  border: 2px solid var(--ink);
  cursor: pointer;
  transition: transform 0.15s ease, background-color 0.15s ease;
}
.saved-toggle:hover { background: var(--surface); }
.saved-toggle:active { transform: translateY(1px); }
.saved-toggle[aria-pressed="true"] {
  background: var(--ink);
  color: var(--bg);
}
.saved-count {
  display: inline-grid;
  place-items: center;
  min-width: 24px;
  height: 24px;
  padding: 0 6px;
  font-size: 0.8125rem;
  background: var(--accent);
  color: var(--accent-ink);
}

/* Intro and tools */
.intro { padding-block: clamp(28px, 5vw, 56px) clamp(20px, 3vw, 32px); }
.intro h1 {
  font-family: var(--serif);
  font-weight: 800;
  font-size: clamp(2rem, 4.6vw, 3.75rem);
  line-height: 1.06;
  letter-spacing: -0.03em;
  max-width: 17em;
  text-wrap: balance;
}

.tools {
  display: grid;
  grid-template-columns: minmax(0, 420px) 220px 1fr;
  align-items: end;
  gap: 16px 20px;
  margin-top: clamp(20px, 3vw, 32px);
}
.field { display: grid; gap: 6px; }
.field label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--ink-soft);
}
.field input,
.field select {
  width: 100%;
  min-height: 48px;
  padding: 0 14px;
  font: 500 1rem/1.2 var(--sans);
  color: var(--ink);
  background: var(--surface);
  border: 2px solid var(--ink);
  border-radius: 0;
}
.field select { appearance: auto; }
.field input::placeholder { color: var(--ink-soft); opacity: 1; }
.status {
  font-size: 0.875rem;
  color: var(--ink-soft);
  justify-self: end;
  padding-bottom: 14px;
}

/* Story grid */
.stories { padding-block: 8px 80px; scroll-margin-top: 80px; }
.stories:focus { outline: none; }

.grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 56px 32px;
  border-top: 1px solid var(--line);
  padding-top: 32px;
}
.grid[hidden] { display: none; }
.loading { grid-column: 1 / -1; color: var(--ink-soft); padding-block: 40px; }

.card {
  position: relative;
  grid-column: span 4;
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-width: 0;
}

/* Desktop rhythm repeats every eight stories. */
@media (min-width: 1024px) {
  .card:nth-child(8n + 1) { grid-column: span 8; }
  .card:nth-child(8n + 2) { grid-column: span 4; }
  .card:nth-child(8n + 3),
  .card:nth-child(8n + 5) { grid-column: span 4; }
  .card:nth-child(8n + 4) { grid-column: span 4; margin-top: 56px; }
  .card:nth-child(8n + 6) { grid-column: span 4; }
  .card:nth-child(8n + 7) { grid-column: span 8; }
  .card:nth-child(8n + 8) {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: center;
    gap: 32px;
  }
  .card:nth-child(8n + 8) .card-media { aspect-ratio: 16 / 8; }
  .card:nth-child(8n + 2) .card-media,
  .card:nth-child(8n + 5) .card-media { aspect-ratio: 4 / 5; }
  .card:nth-child(8n + 3) .card-media,
  .card:nth-child(8n + 4) .card-media { aspect-ratio: 1 / 1; }
  .card:nth-child(8n + 6) .card-media { aspect-ratio: 3 / 4; }
  .card:nth-child(8n + 1) .card-media,
  .card:nth-child(8n + 7) .card-media { aspect-ratio: 16 / 10; }
  .card:nth-child(8n + 1) h2,
  .card:nth-child(8n + 7) h2 { font-size: clamp(1.75rem, 2.8vw, 2.5rem); }
  .card:nth-child(8n + 8) h2 { font-size: clamp(1.5rem, 2.4vw, 2.125rem); }
  .grid[data-count="1"] .card,
  .grid[data-count="2"] .card { grid-column: span 6; margin-top: 0; display: flex; }
  .grid[data-count="1"] .card .card-media,
  .grid[data-count="2"] .card .card-media { aspect-ratio: 16 / 10; }
  .grid[data-count="1"] .card h2,
  .grid[data-count="2"] .card h2 { font-size: 1.75rem; }
}

@media (min-width: 640px) and (max-width: 1023.98px) {
  .grid { gap: 48px 24px; }
  .card { grid-column: span 6; }
  .card:nth-child(3n + 1) { grid-column: 1 / -1; }
  .card:nth-child(3n + 1) .card-media { aspect-ratio: 16 / 8; }
  .card:nth-child(3n + 1) h2 { font-size: 1.875rem; }
  .tools { grid-template-columns: 1fr 200px; }
  .status { grid-column: 1 / -1; justify-self: start; padding-bottom: 0; }
}

@media (max-width: 639.98px) {
  .masthead-row { gap: 12px; }
  .issue { display: none; }
  .brand { margin-right: auto; }
  .saved-label { font-size: 0.875rem; }
  .grid { gap: 40px; padding-top: 24px; }
  .card { grid-column: 1 / -1; }
  .card:first-child .card-media { aspect-ratio: 4 / 3; }
  .tools { grid-template-columns: 1fr; }
  .status { justify-self: start; padding-bottom: 0; }
  .stories { padding-bottom: 56px; }
}

.card-media {
  position: relative;
  overflow: hidden;
  aspect-ratio: 3 / 2;
  background: var(--line);
}
.card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.card-text { display: grid; gap: 10px; align-content: start; }

.meta {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 14px;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--ink-soft);
}
.meta .topic {
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.card h2 {
  font-family: var(--serif);
  font-weight: 700;
  font-size: 1.375rem;
  line-height: 1.18;
  letter-spacing: -0.015em;
  text-wrap: balance;
}
.open {
  all: unset;
  cursor: pointer;
  color: var(--ink);
}
/* The title button stretches over the whole card so the card is one target. */
.open::after {
  content: "";
  position: absolute;
  inset: 0;
}
.open:focus-visible { outline: none; }
.open:focus-visible::after {
  outline: 3px solid var(--focus);
  outline-offset: 6px;
}
.card:hover .open { text-decoration: underline; text-decoration-thickness: 2px; text-underline-offset: 4px; text-decoration-color: var(--accent); }

.card .summary { color: var(--ink-soft); font-size: 0.9375rem; max-width: 52ch; }
.card .by { font-size: 0.8125rem; color: var(--ink-soft); }

.saved-flag {
  display: inline-block;
  padding: 1px 8px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--accent-ink);
  background: var(--accent);
}

@media (prefers-reduced-motion: no-preference) {
  .card-media img { transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1); }
  .card:hover .card-media img { transform: scale(1.04); }
  .card { animation: rise 0.5s cubic-bezier(0.16, 1, 0.3, 1) backwards; animation-delay: calc(var(--i, 0) * 50ms); }
  @keyframes rise { from { transform: translateY(14px); } }
}

/* Empty state */
.empty {
  border: 2px solid var(--ink);
  background: var(--surface);
  padding: clamp(24px, 5vw, 48px);
  max-width: 640px;
  margin-top: 32px;
}
.empty[hidden] { display: none; }
.empty h2 {
  font-family: var(--serif);
  font-weight: 800;
  font-size: 1.75rem;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}
.empty p { color: var(--ink-soft); margin-bottom: 20px; max-width: 46ch; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  font: 600 0.9375rem/1 var(--sans);
  white-space: nowrap;
  color: var(--accent-ink);
  background: var(--accent);
  border: 2px solid var(--accent);
  border-radius: 0;
  cursor: pointer;
  transition: transform 0.15s ease, background-color 0.15s ease, color 0.15s ease;
}
.btn:active { transform: translateY(1px); }
.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--ink);
}
.btn-ghost:hover { background: var(--ink); color: var(--bg); }
.btn-save {
  background: transparent;
  color: var(--ink);
  border-color: var(--ink);
}
.btn-save:hover { background: var(--accent-soft); }
.btn-save[aria-pressed="true"] {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-ink);
}

/* Reader (modal dialog) */
.reader {
  position: fixed;
  inset: 0;
  width: 100%;
  max-width: none;
  height: 100dvh;
  max-height: none;
  margin: 0;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--ink);
  overflow: hidden;
}
.reader:not([open]) { display: none; }
.reader::backdrop { background: var(--scrim); }

.sheet {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(880px, 100%);
  display: flex;
  flex-direction: column;
  background: var(--bg);
  border-left: 2px solid var(--ink);
}
.sheet-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 12px clamp(16px, 4vw, 40px);
  border-bottom: 1px solid var(--line);
  background: var(--bg);
}
.sheet-scroll {
  flex: 1;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding-bottom: 72px;
}
.sheet-media { aspect-ratio: 16 / 8; background: var(--line); overflow: hidden; }
.sheet-media img { width: 100%; height: 100%; object-fit: cover; }
.sheet-text {
  padding: clamp(24px, 4vw, 48px) clamp(16px, 4vw, 40px) 0;
  max-width: 44rem;
}
.sheet-text h2 {
  font-family: var(--serif);
  font-weight: 800;
  font-size: clamp(1.875rem, 4.4vw, 3rem);
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin-top: 12px;
  text-wrap: balance;
}
.lede {
  font-family: var(--serif);
  font-size: 1.25rem;
  line-height: 1.45;
  color: var(--ink-soft);
  margin-top: 20px;
}
.byline {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--ink-soft);
}
.body { margin-top: 28px; }
.body p {
  font-family: var(--serif);
  font-size: 1.1875rem;
  line-height: 1.7;
  margin-bottom: 1.3em;
  max-width: 38em;
}
.body p:first-child::first-letter {
  float: left;
  font-weight: 900;
  font-size: 3.6em;
  line-height: 0.82;
  padding: 6px 10px 0 0;
  color: var(--accent);
}

@media (prefers-reduced-motion: no-preference) {
  .reader[open] .sheet { animation: slide-in 0.35s cubic-bezier(0.16, 1, 0.3, 1); }
  .reader[open]::backdrop { animation: fade-in 0.25s ease; }
  @keyframes slide-in { from { transform: translateX(32px); opacity: 0; } }
  @keyframes fade-in { from { opacity: 0; } }
}

@media (max-width: 639.98px) {
  .sheet { border-left: 0; }
  .sheet-media { aspect-ratio: 16 / 10; }
  .body p { font-size: 1.0625rem; }
  .btn { padding: 0 14px; }
}

/* Footer */
.foot { border-top: 2px solid var(--ink); }
.foot-row {
  display: grid;
  grid-template-columns: auto minmax(0, 60ch);
  gap: 16px 48px;
  padding-block: 28px;
  font-size: 0.875rem;
  color: var(--ink-soft);
}
.foot-brand {
  font-family: var(--serif);
  font-weight: 900;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
  color: var(--ink);
}
@media (max-width: 639.98px) {
  .foot-row { grid-template-columns: 1fr; }
}