:root {
  --color-canvas-white: #ffffff;
  --color-ink-black: #000000;
  --color-muted-gray: #cccccc;

  --font-standard: 'Arial Narrow', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  --font-times: 'Times New Roman', Times, serif;

  --text-xs: 13px;
  --text-sm: 14px;
  --text-md: 18px;
  --text-lg: 26px;
  --text-card: 28px;
  --text-xl: 36px;
  --text-2xl: 45px;
  --text-3xl: 54px;

  --leading-card: 1.18;
  --leading-tag: 1.0;
  --leading-tight: 1.12;

  --tracking-tight: -0.03em;
  --tracking-tighter: -0.045em;

  --spacing-5: 5px;
  --spacing-6: 6px;
  --spacing-9: 9px;
  --spacing-13: 13px;
  --spacing-18: 18px;
  --spacing-19: 19px;
  --spacing-26: 26px;
  --spacing-32: 32px;

  --radius-full: 129.6px;
  --border-w: 4.5px;
  --border-w-thin: 1.5px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--color-canvas-white);
  color: var(--color-ink-black);
  font-family: var(--font-standard);
  font-size: var(--text-sm);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
}

body {
  padding: env(safe-area-inset-top) var(--spacing-19) env(safe-area-inset-bottom);
  max-width: 720px;
  margin: 0 auto;
}

/* Topbar */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-26) 0 var(--spacing-13);
}
.brand {
  font-family: var(--font-standard);
  font-weight: 400;
  font-size: var(--text-2xl);
  letter-spacing: var(--tracking-tighter);
  line-height: var(--leading-tight);
}
.brand .tm {
  font-size: 0.4em;
  vertical-align: super;
  letter-spacing: 0;
}

/* Tabs — pill outline buttons */
.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-9);
  padding: var(--spacing-13) 0;
}
.tab {
  font-family: var(--font-standard);
  font-size: var(--text-lg);
  letter-spacing: var(--tracking-tighter);
  background: var(--color-canvas-white);
  color: var(--color-ink-black);
  border: var(--border-w) solid var(--color-ink-black);
  border-radius: var(--radius-full);
  padding: var(--spacing-5) var(--spacing-19) var(--spacing-9);
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  line-height: var(--leading-tag);
}
.tab[aria-pressed="true"] {
  background: var(--color-ink-black);
  color: var(--color-canvas-white);
}

/* Controls row — filter icon + shuffle */
.controls {
  display: flex;
  align-items: center;
  gap: var(--spacing-9);
  padding: var(--spacing-13) 0 var(--spacing-6);
}
.controls #shuffle { margin-left: auto; }

/* Filters — smaller pills, collapsible panel */
.filters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-6);
  padding: var(--spacing-6) 0 var(--spacing-13);
}
.filters[hidden] { display: none; }
.filter {
  font-family: var(--font-standard);
  font-size: var(--text-sm);
  background: var(--color-canvas-white);
  color: var(--color-ink-black);
  border: var(--border-w-thin) solid var(--color-ink-black);
  border-radius: var(--radius-full);
  padding: var(--spacing-5) var(--spacing-13) var(--spacing-6);
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  line-height: 1;
  letter-spacing: 0;
}
.filter[aria-pressed="true"] {
  background: var(--color-ink-black);
  color: var(--color-canvas-white);
}
.filter.shuffle {
  margin-left: auto;
}

#filter-toggle.is-on,
#filter-toggle.is-open {
  background: var(--color-ink-black);
  color: var(--color-canvas-white);
}

#shuffle.is-on {
  background: var(--color-ink-black);
  color: var(--color-canvas-white);
}

/* Feed */
.feed {
  display: flex;
  flex-direction: column;
  padding: var(--spacing-13) 0 var(--spacing-32);
}

/* Card — hairline separates */
.card {
  background: var(--color-canvas-white);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-13);
  padding: var(--spacing-26) 0;
}
.card:first-child { padding-top: var(--spacing-13); }
.card:last-child { padding-bottom: 0; }
.card + .card { border-top: 1px solid var(--color-muted-gray); }
.card.is-posted .card-body { opacity: 0.3; }
.card.is-posted .card-body p { text-decoration: line-through; text-decoration-thickness: 1.5px; }
.card.is-disliked { color: var(--color-muted-gray); }
.card.is-disliked .card-body { opacity: 0.35; }

.card-body p {
  margin: 0 0 var(--spacing-13);
  font-family: var(--font-standard);
  font-size: var(--text-card);
  line-height: var(--leading-card);
  letter-spacing: var(--tracking-tight);
  white-space: pre-wrap;
}
.card-body p:last-child { margin-bottom: 0; }

.card-img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 0;
}

.card-meta {
  font-family: var(--font-standard);
  font-size: var(--text-xs);
  color: var(--color-ink-black);
  opacity: 0.6;
  letter-spacing: 0;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-6);
}
.action {
  font-family: var(--font-standard);
  font-size: var(--text-sm);
  background: var(--color-canvas-white);
  color: var(--color-ink-black);
  border: var(--border-w-thin) solid var(--color-ink-black);
  border-radius: var(--radius-full);
  padding: var(--spacing-5) var(--spacing-13) var(--spacing-6);
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  line-height: 1;
  letter-spacing: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.action-icon {
  width: 38px;
  height: 38px;
  padding: 0;
}
.action-icon svg {
  width: 18px;
  height: 18px;
  display: block;
}

.filter.action-icon {
  width: 38px;
  height: 38px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.filter.action-icon svg {
  width: 18px;
  height: 18px;
  display: block;
}
.action.is-on {
  background: var(--color-ink-black);
  color: var(--color-canvas-white);
}
.action.is-copied {
  background: var(--color-ink-black);
  color: var(--color-canvas-white);
}

.empty {
  padding: var(--spacing-32) 0;
  text-align: left;
  font-family: var(--font-standard);
  font-size: var(--text-lg);
  letter-spacing: var(--tracking-tight);
  opacity: 0.4;
}

.foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-19) 0 var(--spacing-26);
  font-family: var(--font-standard);
  font-size: var(--text-xs);
  opacity: 0.7;
  letter-spacing: 0;
}
.foot a, .foot .link {
  color: var(--color-ink-black);
  text-decoration: underline;
  background: none;
  border: 0;
  padding: 0;
  font: inherit;
  cursor: pointer;
}