/* ============================================================
   Kerbside, a journal of everyday city life
   Aesthetic: printed-journal editorial. Hand-built CSS, no framework.
   Shape rule (locked): every surface, photo and control has radius 0.
   Accent rule (locked): one accent, press red, used for topic labels,
   links, focus rings and solid buttons in both themes.
   ============================================================ */

/* ---------- Fonts: local files only, from public/assets ---------- */
@font-face {
  font-family: "Oswald";
  src: url("assets/oswald.ttf") format("truetype-variations"),
       url("assets/oswald.ttf") format("truetype");
  font-weight: 200 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Literata";
  src: url("assets/literata.ttf") format("truetype-variations"),
       url("assets/literata.ttf") format("truetype");
  font-weight: 200 700;
  font-style: normal;
  font-display: swap;
}

/* ---------- Tokens ---------- */
:root {
  color-scheme: light;
  --bg: #e9eaea;
  --surface: #f7f8f8;
  --ink: #16181a;
  --ink-soft: #4e5358;
  --rule: #cdd0d1;
  --rule-soft: #dcdedf;
  --accent: #bb2f17;
  --on-accent: #ffffff;
  --shadow: 0 18px 40px rgba(22, 24, 26, 0.18);

  --nameplate: "Oswald", "Haettenschweiler", "Arial Narrow", system-ui, sans-serif;
  --text: "Literata", Georgia, "Times New Roman", serif;

  --page: 1340px;
  --gut: clamp(1.15rem, 3.4vw, 2.75rem);
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

[data-theme="dark"] {
  color-scheme: dark;
  --bg: #141617;
  --surface: #1c1f20;
  --ink: #e9e7e3;
  --ink-soft: #a4a9ad;
  --rule: #2e3233;
  --rule-soft: #242829;
  --accent: #ef6b4d;
  --on-accent: #141617;
  --shadow: 0 18px 40px rgba(0, 0, 0, 0.55);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --bg: #141617;
    --surface: #1c1f20;
    --ink: #e9e7e3;
    --ink-soft: #a4a9ad;
    --rule: #2e3233;
    --rule-soft: #242829;
    --accent: #ef6b4d;
    --on-accent: #141617;
    --shadow: 0 18px 40px rgba(0, 0, 0, 0.55);
  }
}

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

/* stable gutter keeps the page from shifting when the reader locks scrolling */
html { -webkit-text-size-adjust: 100%; scrollbar-gutter: stable; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--text);
  font-size: 1rem;
  line-height: 1.6;
  font-optical-sizing: auto;
  -webkit-font-smoothing: antialiased;
}

body.is-locked { overflow: hidden; }

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

h1, h2, h3, p, ul { margin: 0; }
ul { list-style: none; padding: 0; }

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

/* an accent ring on an accent fill would disappear, so ink it instead */
.btn--solid:focus-visible,
.saved-btn[aria-pressed="true"]:focus-visible,
.skip-link:focus-visible {
  outline-color: var(--ink);
}
.btn--solid[aria-pressed="true"]:focus-visible { outline-color: var(--accent); }

.vh {
  position: absolute;
  width: 1px; height: 1px;
  margin: -1px; padding: 0;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.skip-link {
  position: absolute;
  left: 0.75rem;
  top: -4rem;
  z-index: 60;
  background: var(--accent);
  color: var(--on-accent);
  font-family: var(--nameplate);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.78rem;
  padding: 0.6rem 0.9rem;
  text-decoration: none;
  transition: top 160ms var(--ease);
}
.skip-link:focus { top: 0.75rem; }

/* ---------- Top bar (single line at desktop, 56px tall) ---------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 40;
  background: var(--bg);
  border-bottom: 1px solid var(--rule);
}

.topbar__inner {
  max-width: var(--page);
  margin: 0 auto;
  padding: 0 var(--gut);
  height: 56px;
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.topbar__brand {
  font-family: var(--nameplate);
  font-weight: 600;
  font-size: 1.02rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--ink);
  text-decoration: none;
}

.topics { margin-left: auto; }
.topics__list { display: flex; gap: 1.1rem; }

.topics__btn {
  appearance: none;
  background: none;
  border: 0;
  border-bottom: 2px solid transparent;
  padding: 0.15rem 0;
  cursor: pointer;
  color: var(--ink-soft);
  font-family: var(--nameplate);
  font-size: 0.76rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transition: color 180ms var(--ease), border-color 180ms var(--ease);
}
.topics__btn:hover { color: var(--ink); }
.topics__btn[aria-pressed="true"] {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.theme-btn {
  appearance: none;
  cursor: pointer;
  background: none;
  border: 1px solid var(--rule);
  color: var(--ink);
  padding: 0.42rem 0.75rem;
  font-family: var(--nameplate);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transition: border-color 180ms var(--ease), color 180ms var(--ease);
}
.theme-btn:hover { border-color: var(--ink); }
.theme-btn:active { transform: translateY(1px); }

@media (max-width: 899px) {
  .topics { display: none; }
  .theme-btn { margin-left: auto; }
}

/* ---------- Nameplate ---------- */
.nameplate {
  max-width: var(--page);
  margin: 0 auto;
  padding: clamp(1.75rem, 4vw, 3.25rem) var(--gut) clamp(1.25rem, 2.5vw, 2rem);
  border-bottom: 3px solid var(--ink);
}

.nameplate__word {
  font-family: var(--nameplate);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: -0.005em;
  line-height: 0.86;
  font-size: clamp(3.4rem, 15vw, 11rem);
  margin-bottom: 0.4rem;
}

.nameplate__tag {
  font-size: clamp(1.02rem, 1.5vw, 1.3rem);
  color: var(--ink);
  max-width: 34ch;
}

.nameplate__issue {
  margin-top: 0.85rem;
  font-family: var(--nameplate);
  font-size: 0.74rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

@media (min-width: 900px) {
  .nameplate {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 20rem;
    column-gap: 2.5rem;
    align-items: end;
  }
  .nameplate__word { grid-column: 1; grid-row: 1 / span 2; margin-bottom: 0; }
  .nameplate__tag { grid-column: 2; grid-row: 1; }
  .nameplate__issue { grid-column: 2; grid-row: 2; margin-top: 0.6rem; }
}

/* ---------- Toolbar ---------- */
main {
  max-width: var(--page);
  margin: 0 auto;
  padding: 0 var(--gut) clamp(3rem, 7vw, 6rem);
}

.toolbar {
  display: grid;
  gap: 0.9rem 1.25rem;
  grid-template-columns: 1fr;
  padding: 1.25rem 0 1.5rem;
  border-bottom: 1px solid var(--rule);
}

.field { display: grid; gap: 0.35rem; min-width: 0; }

.field label {
  font-family: var(--nameplate);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.field input,
.field select {
  appearance: none;
  -webkit-appearance: none;
  width: 100%;
  height: 2.75rem;
  padding: 0 0.85rem;
  background: var(--surface);
  border: 1px solid var(--rule);
  color: var(--ink);
  font-family: var(--text);
  font-size: 1rem;
}
.field input::placeholder { color: var(--ink-soft); opacity: 1; }
.field input:hover, .field select:hover { border-color: var(--ink-soft); }

.field--topic { position: relative; }
.field--topic select { padding-right: 2.25rem; }
.field--topic::after {
  content: "";
  position: absolute;
  right: 0.9rem;
  bottom: 1.2rem;
  width: 0; height: 0;
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-top: 6px solid var(--ink-soft);
  pointer-events: none;
}

.saved-btn {
  appearance: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  height: 2.75rem;
  padding: 0 1rem;
  background: var(--surface);
  border: 1px solid var(--rule);
  color: var(--ink);
  font-family: var(--nameplate);
  font-size: 0.78rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  align-self: end;
  transition: background 180ms var(--ease), border-color 180ms var(--ease), color 180ms var(--ease);
}
.saved-btn:hover { border-color: var(--ink-soft); }
.saved-btn:active { transform: translateY(1px); }
.saved-btn[aria-pressed="true"] {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--on-accent);
}

.saved-btn__count {
  font-variant-numeric: tabular-nums;
  border: 1px solid currentColor;
  min-width: 1.6rem;
  padding: 0 0.2rem;
  line-height: 1.35;
  font-size: 0.72rem;
}

.toolbar__count {
  align-self: end;
  font-family: var(--nameplate);
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-soft);
  padding-bottom: 0.45rem;
}

@media (min-width: 760px) {
  .toolbar {
    grid-template-columns: minmax(0, 1fr) 14rem auto;
    align-items: end;
  }
  .toolbar__count { grid-column: 1 / -1; padding-bottom: 0; }
}
@media (min-width: 1100px) {
  .toolbar { grid-template-columns: minmax(0, 26rem) 14rem auto minmax(0, 1fr); }
  .toolbar__count { grid-column: auto; justify-self: end; padding-bottom: 0.45rem; }
}

/* ---------- Story grid ---------- */
.grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: clamp(1.25rem, 2.6vw, 2.25rem);
}

.story {
  grid-column: span 12;
  min-width: 0;
  padding: 1.6rem 0;
  border-top: 1px solid var(--rule-soft);
  cursor: pointer;
}
.story[hidden] { display: none; }

.story__photo {
  overflow: hidden;
  background: var(--surface);
  margin-bottom: 1rem;
}
.story__photo img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  transition: transform 600ms var(--ease), filter 300ms var(--ease);
}
.story:hover .story__photo img { transform: scale(1.025); }

.story__kicker {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  margin-bottom: 0.55rem;
}

.story__cat {
  font-family: var(--nameplate);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
}

.story__flag {
  font-family: var(--nameplate);
  font-size: 0.66rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--ink-soft);
  border: 1px solid var(--rule);
  padding: 0.1rem 0.4rem;
}

.story__title {
  font-weight: 600;
  line-height: 1.14;
  letter-spacing: -0.012em;
  font-size: 1.22rem;
  margin-bottom: 0.5rem;
  text-wrap: balance;
}
.story:hover .story__title { text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 3px; }

.story__sum {
  color: var(--ink-soft);
  font-size: 0.98rem;
  max-width: 48ch;
}

.story__meta {
  margin-top: 0.75rem;
  font-family: var(--nameplate);
  font-size: 0.71rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.story__open {
  appearance: none;
  background: none;
  border: 0;
  padding: 0;
  margin-top: 0.9rem;
  cursor: pointer;
  color: var(--accent);
  font-family: var(--nameplate);
  font-size: 0.76rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  border-bottom: 1px solid currentColor;
}
.story__open::after { content: " \2192"; }
.story__open:active { transform: translateY(1px); }

/* Lead story: asymmetric split at desktop */
.story--lead {
  border-top: 0;
  padding-top: clamp(1.75rem, 3.5vw, 2.75rem);
}
.story--lead .story__inner { display: grid; gap: 1.25rem; }
.story--lead .story__photo { margin-bottom: 0; }
.story--lead .story__photo img { aspect-ratio: 4 / 3; }
.story--lead .story__title { font-size: clamp(1.75rem, 3.2vw, 2.85rem); }
.story--lead .story__sum { font-size: 1.06rem; }

@media (min-width: 900px) {
  .story--lead .story__inner {
    grid-template-columns: 1.2fr 1fr;
    gap: clamp(1.75rem, 3vw, 3rem);
    align-items: center;
  }
  .story--lead .story__photo img { aspect-ratio: 5 / 4; }
}

/* Mid stories */
@media (min-width: 760px) {
  .story--mid { grid-column: span 6; }
  .story--mid .story__title { font-size: 1.4rem; }
  .story--rest { grid-column: span 6; }
}
@media (min-width: 1100px) {
  .story--rest { grid-column: span 4; }
}

/* Rest: compact index rows with a thumbnail */
.story--rest .story__inner {
  display: grid;
  grid-template-columns: 5.5rem minmax(0, 1fr);
  gap: 1rem;
  align-items: start;
}
.story--rest .story__photo { margin-bottom: 0; }
.story--rest .story__photo img { aspect-ratio: 1 / 1; }
.story--rest .story__title { font-size: 1.06rem; margin-bottom: 0.35rem; }
.story--rest .story__sum { font-size: 0.92rem; }
.story--rest .story__open { margin-top: 0.7rem; }

/* Entry rhythm: the edition arrives top to bottom, once, on first load */
@media (prefers-reduced-motion: no-preference) {
  .story--enter { animation: rise 460ms var(--ease) both; animation-delay: var(--delay, 0ms); }
  @keyframes rise {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: none; }
  }
}

/* ---------- Skeletons ---------- */
.skel { grid-column: span 12; padding: 1.6rem 0; border-top: 1px solid var(--rule-soft); }
.skel:first-child { border-top: 0; }
.skel__box, .skel__line {
  background: var(--rule-soft);
  border: 1px solid var(--rule-soft);
}
.skel__box { aspect-ratio: 4 / 3; margin-bottom: 1rem; }
.skel__line { height: 0.95rem; margin-bottom: 0.6rem; }
.skel__line--short { width: 42%; }
@media (min-width: 760px) {
  .skel { grid-column: span 6; }
}
@media (prefers-reduced-motion: no-preference) {
  .skel__box, .skel__line { animation: pulse 1.5s ease-in-out infinite; }
  @keyframes pulse { 0%, 100% { opacity: 0.55; } 50% { opacity: 0.95; } }
}

/* ---------- Empty and failure states ---------- */
.empty, .loadfail {
  margin-top: 2.5rem;
  padding: clamp(2rem, 5vw, 3.5rem);
  background: var(--surface);
  border: 1px solid var(--rule);
  max-width: 44rem;
}
.empty__title {
  font-size: clamp(1.4rem, 2.4vw, 1.9rem);
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.15;
  margin-bottom: 0.6rem;
}
.empty__body { color: var(--ink-soft); margin-bottom: 1.4rem; max-width: 46ch; }

.btn {
  appearance: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  min-height: 2.6rem;
  padding: 0 1rem;
  background: none;
  border: 1px solid var(--rule);
  color: var(--ink);
  font-family: var(--nameplate);
  font-size: 0.78rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  white-space: nowrap;
  transition: border-color 180ms var(--ease), background 180ms var(--ease), color 180ms var(--ease);
}
.btn:hover { border-color: var(--ink); }
.btn:active { transform: translateY(1px); }

.btn--solid {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--on-accent);
}
.btn--solid:hover { background: var(--ink); border-color: var(--ink); color: var(--bg); }
.btn--solid[aria-pressed="true"] {
  background: none;
  border-color: var(--ink);
  color: var(--ink);
}

/* ---------- Footer ---------- */
.foot { border-top: 3px solid var(--ink); }
.foot__inner {
  max-width: var(--page);
  margin: 0 auto;
  padding: clamp(2rem, 4vw, 3rem) var(--gut) clamp(2.5rem, 5vw, 4rem);
  display: grid;
  gap: 1rem;
}
.foot__lede { font-size: clamp(1.05rem, 1.8vw, 1.35rem); max-width: 46ch; }
.foot__note { color: var(--ink-soft); font-size: 0.9rem; max-width: 56ch; }
@media (min-width: 900px) {
  .foot__inner { grid-template-columns: 1.1fr 1fr; gap: 2.5rem; align-items: start; }
}

/* ---------- Reader (detail view) ---------- */
.reader {
  padding: 0;
  border: 0;
  background: var(--surface);
  color: var(--ink);
  width: 100%;
  max-width: none;
  height: 100%;
  max-height: none;
  margin: 0;
  inset: 0;
  overflow: hidden;
  display: none;
}
.reader[open] { display: grid; grid-template-rows: auto minmax(0, 1fr); }

.reader::backdrop { background: rgba(10, 11, 12, 0.72); }
@supports (backdrop-filter: blur(2px)) {
  .reader::backdrop { backdrop-filter: blur(3px); }
}
@media (prefers-reduced-transparency: reduce) {
  .reader::backdrop { background: #0a0b0c; backdrop-filter: none; }
}

.reader__bar {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 1rem;
  padding: 0.85rem clamp(1.15rem, 4vw, 2.5rem);
  border-bottom: 1px solid var(--rule);
  background: var(--surface);
}

.reader__actions { display: flex; gap: 0.6rem; flex-wrap: nowrap; }

.reader__cat {
  font-family: var(--nameplate);
  font-size: 0.74rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.7rem;
}

.reader__scroll {
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  padding: clamp(1.75rem, 4vw, 3rem) clamp(1.15rem, 4vw, 2.5rem) clamp(3rem, 6vw, 4.5rem);
}

.reader__cat,
.reader__title,
.reader__meta,
.reader__img,
.reader__end,
.prose { max-width: 36rem; margin-inline: auto; }

.reader__title {
  font-size: clamp(1.75rem, 4.2vw, 2.7rem);
  font-weight: 600;
  line-height: 1.12;
  letter-spacing: -0.015em;
  text-wrap: balance;
  margin-bottom: 0.8rem;
}

.reader__meta {
  font-family: var(--nameplate);
  font-size: 0.74rem;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: var(--ink-soft);
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--rule);
}

.reader__img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  margin-top: 1.75rem;
  background: var(--bg);
}

.prose { margin-top: 1.75rem; }
.prose p { font-size: 1.08rem; line-height: 1.72; margin-bottom: 1.15rem; }
.prose p:first-child::first-letter {
  font-family: var(--nameplate);
  font-weight: 600;
  float: left;
  font-size: 3.1rem;
  line-height: 0.82;
  padding: 0.12em 0.14em 0 0;
  color: var(--accent);
}
.prose p:last-child { margin-bottom: 0; }

.reader__end {
  margin-top: 2rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--rule);
  font-family: var(--nameplate);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

@media (min-width: 760px) {
  .reader {
    width: min(50rem, calc(100vw - 4rem));
    height: auto;
    max-height: min(88vh, 60rem);
    margin: auto;
    inset: 0;
    box-shadow: var(--shadow);
    border: 1px solid var(--rule);
  }
}

@media (prefers-reduced-motion: no-preference) {
  .reader[open] { animation: panel 260ms var(--ease) both; }
  .reader[open]::backdrop { animation: fade 260ms var(--ease) both; }
  @keyframes panel {
    from { opacity: 0; transform: translateY(14px); }
    to { opacity: 1; transform: none; }
  }
  @keyframes fade { from { opacity: 0; } to { opacity: 1; } }
}