/* ============================================================
   Kerb · a magazine of everyday city life
   Print-emulating editorial: warm paper, ink, one vermillion accent.
   Theme lock: light only (deliberate print emulation).
   Radius lock: sharp corners everywhere (0).
   ============================================================ */

@font-face {
  font-family: "DM Serif Display";
  src: url("assets/dm-serif.ttf") format("truetype");
  font-display: swap;
}
@font-face {
  font-family: "Literata";
  src: url("assets/literata.ttf") format("truetype");
  font-display: swap;
}
@font-face {
  font-family: "Space Grotesk";
  src: url("assets/space-grotesk.ttf") format("truetype");
  font-display: swap;
}

:root {
  --paper: #f6f3ee;
  --paper-veil: rgba(246, 243, 238, 0.94);
  --ink: #1c1915;
  --ink-soft: #5f594e;
  --hairline: #d8d2c5;
  --rule: #1c1915;
  --accent: #b93a1a;
  --accent-dark: #8f2b11;
  --serif: "DM Serif Display", Georgia, serif;
  --bodyfont: "Literata", Georgia, serif;
  --sans: "Space Grotesk", "Helvetica Neue", Arial, sans-serif;
  --pad: clamp(1.25rem, 4vw, 3rem);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { background: var(--paper); }
html.locked, html.locked body { overflow: hidden; }

body {
  font-family: var(--sans);
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  line-height: 1.5;
}

::selection { background: var(--accent); color: var(--paper); }

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

button {
  font: inherit;
  color: inherit;
  background: none;
  border: none;
  cursor: pointer;
}

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

.wrap {
  max-width: 1320px;
  margin: 0 auto;
  padding-inline: var(--pad);
}

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

.masthead { padding-top: 1.25rem; }

.masthead-top {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  font-size: 0.74rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-soft);
  padding: 0.55rem 0;
  border-top: 4px double var(--rule);
  border-bottom: 1px solid var(--rule);
}

.masthead-name {
  font-family: var(--serif);
  font-weight: 400;
  text-align: center;
  font-size: clamp(4.2rem, 13vw, 9.5rem);
  line-height: 0.95;
  letter-spacing: -0.015em;
  padding: 0.6rem 0 0.9rem;
}

/* ------------------------------------------------------------
   Toolbar: search, topic, saved
   ------------------------------------------------------------ */

.toolbar {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--paper-veil);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  border-top: 3px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}

.toolbar-inner {
  max-width: 1320px;
  margin: 0 auto;
  padding: 0.7rem var(--pad);
  display: flex;
  align-items: flex-end;
  gap: 1.5rem 2.25rem;
  flex-wrap: wrap;
}

.control { display: flex; flex-direction: column; gap: 0.2rem; }

.control label {
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.control-search { flex: 1 1 240px; max-width: 380px; }

.control input,
.control select {
  font-family: var(--sans);
  font-size: 0.98rem;
  color: var(--ink);
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--ink);
  border-radius: 0;
  padding: 0.35rem 0;
  width: 100%;
}

.control input::placeholder { color: var(--ink-soft); opacity: 1; }

.control select {
  appearance: none;
  -webkit-appearance: none;
  padding-right: 1.4rem;
  background-image: linear-gradient(45deg, transparent 50%, var(--ink) 50%),
    linear-gradient(135deg, var(--ink) 50%, transparent 50%);
  background-position: calc(100% - 12px) 55%, calc(100% - 7px) 55%;
  background-size: 5px 5px;
  background-repeat: no-repeat;
  cursor: pointer;
}

.saved-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-size: 0.9rem;
  padding: 0.5rem 0.95rem;
  border: 1px solid var(--ink);
  border-radius: 0;
  transition: background-color 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

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

.saved-count {
  font-size: 0.72rem;
  min-width: 1.35rem;
  text-align: center;
  padding: 0.1rem 0.3rem;
  border: 1px solid currentColor;
}

/* ------------------------------------------------------------
   List head
   ------------------------------------------------------------ */

.list-section { padding-bottom: 5rem; }

.list-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  padding: 2.2rem 0 0.9rem;
}

.list-title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(1.5rem, 2.6vw, 2rem);
  line-height: 1.1;
}

.list-count {
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-soft);
  white-space: nowrap;
}

/* ------------------------------------------------------------
   Story grid (asymmetric, 8-slot editorial pattern)
   ------------------------------------------------------------ */

.grid {
  display: grid;
  grid-template-columns: repeat(1, 1fr);
  gap: 2.5rem 2.5rem;
}

.item {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  min-width: 0;
  border-top: 1px solid var(--rule);
  padding-top: 1.1rem;
}

.item-media {
  overflow: hidden;
  background: var(--hairline);
}

.item-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 3 / 2;
  filter: saturate(0.88) contrast(1.02);
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.item:hover .item-media img { transform: scale(1.03); }

.item-tag {
  font-size: 0.7rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.item-tag .tag-topic { color: var(--accent); }

.saved-flag {
  display: inline-block;
  margin-left: 0.6rem;
  color: var(--accent);
}

.item-title {
  font-family: var(--serif);
  font-weight: 400;
  line-height: 1.08;
  letter-spacing: 0.002em;
  font-size: 1.55rem;
}

.open-item {
  display: inline;
  text-align: left;
  font: inherit;
  color: inherit;
  text-decoration: none;
}

.open-item .arrow {
  display: inline-block;
  color: var(--accent);
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.item:hover .open-item,
.open-item:hover { text-decoration: underline; text-decoration-thickness: 2px; text-underline-offset: 0.18em; }

.item:hover .arrow { transform: translateX(0.3em); }

.open-item:active { transform: translateY(1px); }

.item-sum {
  font-family: var(--bodyfont);
  font-size: 0.98rem;
  line-height: 1.6;
  color: var(--ink-soft);
  max-width: 46ch;
}

.item-meta {
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

/* Slot pattern, desktop */
@media (min-width: 900px) {
  .grid {
    grid-template-columns: repeat(12, 1fr);
    gap: 4rem 2.5rem;
    padding-top: 0.5rem;
  }

  .item { border-top: none; padding-top: 0; }

  .slot-0 { grid-column: 1 / 8; }
  .slot-0 .item-media img { aspect-ratio: 16 / 10; }
  .slot-0 .item-title { font-size: clamp(2rem, 3vw, 2.7rem); }
  .slot-0 .item-sum { font-size: 1.06rem; max-width: 56ch; }

  .slot-1 { grid-column: 8 / 13; gap: 1.1rem; }
  .slot-1 .item-media { order: 4; }
  .slot-1 .item-media img { aspect-ratio: 4 / 3; }
  .slot-1 .item-title { font-size: 1.45rem; }

  .slot-2 { grid-column: 1 / 6; }
  .slot-2 .item-media img { aspect-ratio: 4 / 3; }
  .slot-2 .item-title { font-size: 1.35rem; }

  .slot-3 { grid-column: 6 / 10; }
  .slot-3 .item-media { display: none; }
  .slot-3 .item-title { font-size: 1.5rem; }

  .slot-4 { grid-column: 10 / 13; }
  .slot-4 .item-media { display: none; }
  .slot-4 .item-title { font-size: 1.18rem; }

  .slot-5 { grid-column: 1 / 5; }
  .slot-5 .item-media { display: none; }
  .slot-5 .item-title { font-size: 1.3rem; }
  .slot-5 { justify-content: flex-end; }

  .slot-6 {
    grid-column: 5 / 13;
    flex-direction: row;
    gap: 2.2rem;
    align-items: stretch;
  }
  .slot-6 .item-media { width: 38%; order: 2; }
  .slot-6 .item-body { flex: 1; display: flex; flex-direction: column; gap: 0.85rem; justify-content: center; }
  .slot-6 .item-title { font-size: 1.7rem; }

  .slot-7 {
    grid-column: 1 / 13;
    flex-direction: row;
    gap: 2.5rem;
    align-items: stretch;
  }
  .slot-7 .item-media { width: 46%; }
  .slot-7 .item-media img { aspect-ratio: 16 / 10; height: 100%; }
  .slot-7 .item-body { flex: 1; display: flex; flex-direction: column; gap: 0.9rem; justify-content: center; }
  .slot-7 .item-title { font-size: clamp(1.9rem, 2.6vw, 2.3rem); }
}

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

.empty {
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--hairline);
  padding: 4rem 0 4.5rem;
  text-align: center;
}

.empty-title {
  font-family: var(--serif);
  font-size: 2rem;
  line-height: 1.1;
  margin-bottom: 0.7rem;
}

.empty-text {
  font-family: var(--bodyfont);
  color: var(--ink-soft);
  max-width: 44ch;
  margin: 0 auto 1.8rem;
  line-height: 1.6;
}

.empty-reset {
  font-size: 0.9rem;
  padding: 0.65rem 1.3rem;
  border: 1px solid var(--ink);
  transition: background-color 0.18s ease, color 0.18s ease;
}

.empty-reset:hover { background: var(--ink); color: var(--paper); }
.empty-reset:active { transform: translateY(1px); }

/* ------------------------------------------------------------
   Detail view (full-page article)
   ------------------------------------------------------------ */

.detail-root {
  position: fixed;
  inset: 0;
  z-index: 40;
  background: var(--paper);
  overflow-y: auto;
}

.detail-bar {
  position: sticky;
  top: 0;
  z-index: 2;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 0.8rem var(--pad);
  background: var(--paper-veil);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--rule);
}

.back-btn {
  font-size: 0.9rem;
  letter-spacing: 0.02em;
  padding: 0.4rem 0.2rem;
}

.back-btn span { color: var(--accent); margin-right: 0.35rem; }

.back-btn:hover { text-decoration: underline; text-underline-offset: 0.2em; }

.save-btn {
  font-size: 0.85rem;
  padding: 0.5rem 1rem;
  border: 1px solid var(--ink);
  white-space: nowrap;
  transition: background-color 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

.save-btn:hover { border-color: var(--accent); color: var(--accent); }

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

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

.detail-article {
  max-width: 760px;
  margin: 0 auto;
  padding: 2.6rem var(--pad) 6rem;
}

.detail-title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(2.1rem, 5vw, 3.3rem);
  line-height: 1.06;
  margin: 0.7rem 0 1rem;
}

.detail-meta { margin-bottom: 1.6rem; }

.detail-figure { margin: 0 0 2.2rem; }

.detail-figure img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  filter: saturate(0.88) contrast(1.02);
}

.detail-body p {
  font-family: var(--bodyfont);
  font-size: 1.13rem;
  line-height: 1.78;
  color: var(--ink);
  max-width: 64ch;
  margin-bottom: 1.45em;
}

.detail-body p:first-child::first-letter {
  font-family: var(--serif);
  font-size: 3.3em;
  float: left;
  line-height: 0.82;
  padding: 0.04em 0.09em 0 0;
  color: var(--ink);
}

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

.footer {
  border-top: 4px double var(--rule);
  margin-top: 2rem;
}

.footer-inner {
  padding-top: 2rem;
  padding-bottom: 3rem;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.footer-name {
  font-family: var(--serif);
  font-size: 1.6rem;
}

.footer-note {
  font-family: var(--bodyfont);
  font-size: 0.88rem;
  line-height: 1.65;
  color: var(--ink-soft);
  max-width: 58ch;
}

/* ------------------------------------------------------------
   Motion guard
   ------------------------------------------------------------ */

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
  .item:hover .item-media img { transform: none; }
}