/* 靈感庫 — 418 Team–inspired bento pin board */

:root {
  --bg: #F2F2F2;
  --card: #FFFFFF;
  --ink: #0A0A0A;
  --ink-soft: #1A1A1A;
  --ink-mute: #6B6B6B;
  --line: rgba(0, 0, 0, 0.08);
  --line-strong: rgba(0, 0, 0, 0.12);
  --radius: 24px;
  --radius-sm: 14px;
  --pill: 999px;
  --font: "DM Sans", "Noto Sans TC", "PingFang HK", "Helvetica Neue", sans-serif;
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
}

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

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  letter-spacing: -0.01em;
}

a {
  color: inherit;
  text-decoration: none;
}

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

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* —— Shell —— */
.site {
  max-width: 1200px;
  margin: 0 auto;
  padding: calc(0.85rem + var(--safe-top)) 0.9rem calc(2.5rem + var(--safe-bottom));
}

/* —— Compact pill top bar —— */
.topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  padding: 0.35rem 0 0.65rem;
  margin: 0 -0.15rem;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.topbar-pill {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  max-width: 22rem;
  margin: 0 auto;
  padding: 0.35rem 0.4rem 0.35rem 0.55rem;
  background: var(--card);
  border-radius: var(--pill);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
}

.mark {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  min-width: 0;
  padding: 0.15rem 0.25rem;
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--ink);
  letter-spacing: -0.02em;
}

.mark-badge {
  display: grid;
  place-items: center;
  width: 1.65rem;
  height: 1.65rem;
  border-radius: 50%;
  background: var(--ink);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  flex-shrink: 0;
}

.mark-text {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.icon-btn {
  display: grid;
  place-items: center;
  width: 2.35rem;
  height: 2.35rem;
  border: none;
  border-radius: 50%;
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  flex-shrink: 0;
  transition: background 0.15s ease;
}

.icon-btn:hover,
.icon-btn[aria-expanded="true"] {
  background: var(--bg);
}

.search-panel {
  max-width: 22rem;
  margin: 0.55rem auto 0;
}

.search-panel[hidden] {
  display: none;
}

#search {
  width: 100%;
  padding: 0.7rem 1rem;
  border: 1px solid var(--line-strong);
  border-radius: var(--pill);
  background: var(--card);
  color: var(--ink);
  font: inherit;
  font-size: 0.88rem;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

#search::placeholder {
  color: var(--ink-mute);
}

#search:focus {
  outline: none;
  border-color: var(--ink);
  box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.06);
}

/* —— Horizontal filter pills —— */
.filters {
  margin: 0 0 1rem;
  overflow: hidden;
}

.filter-list {
  display: flex;
  flex-wrap: nowrap;
  gap: 0.45rem;
  margin: 0;
  padding: 0.15rem 0.1rem 0.45rem;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.filter-list::-webkit-scrollbar {
  display: none;
}

.cat-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  flex-shrink: 0;
  padding: 0.5rem 0.95rem;
  border: 1px solid var(--line-strong);
  border-radius: var(--pill);
  background: var(--card);
  color: var(--ink);
  font: inherit;
  font-size: 0.84rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.cat-btn:hover {
  border-color: rgba(0, 0, 0, 0.22);
}

.cat-btn[aria-pressed="true"] {
  background: var(--ink);
  border-color: var(--ink);
  color: #fff;
}

.cat-btn .count {
  font-size: 0.68rem;
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  opacity: 0.55;
}

.cat-btn[aria-pressed="true"] .count {
  opacity: 0.7;
}

/* —— Board —— */
.board {
  min-width: 0;
}

.board-meta {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.75rem;
  padding: 0 0.15rem;
  color: var(--ink-mute);
  font-size: 0.78rem;
  font-weight: 500;
}

.board-meta strong {
  color: var(--ink-soft);
  font-weight: 600;
}

/* CSS multi-column masonry */
.cards {
  column-count: 2;
  column-gap: 0.75rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

@supports (grid-template-rows: masonry) {
  .cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    grid-template-rows: masonry;
    column-count: unset;
    gap: 0.75rem;
  }

  .pin {
    margin: 0;
    break-inside: unset;
  }
}

/* —— Pin (bento card) —— */
.pin {
  break-inside: avoid;
  margin: 0 0 0.75rem;
  display: inline-block;
  width: 100%;
  vertical-align: top;
}

/* —— Pin enter (scroll from left) —— */
.pin {
  opacity: 0;
  transform: translateX(-56px);
  transition:
    opacity 0.55s cubic-bezier(0.22, 1, 0.36, 1),
    transform 0.55s cubic-bezier(0.22, 1, 0.36, 1);
  will-change: opacity, transform;
}

.pin.is-in {
  opacity: 1;
  transform: translateX(0);
}

@media (prefers-reduced-motion: reduce) {
  .pin {
    opacity: 1;
    transform: none;
    transition: none;
    will-change: auto;
  }
}



.pin-link {
  display: block;
  background: var(--card);
  border-radius: var(--radius);
  overflow: hidden;
  color: inherit;
  transition: transform 0.2s ease;
}

.pin-link:hover {
  transform: translateY(-2px);
  color: inherit;
}

@media (prefers-reduced-motion: reduce) {
  .pin-link:hover { transform: none; }
}

.pin-media {
  position: relative;
  display: block;
  overflow: hidden;
  background: #E8E8E8;
}

.pin-thumb {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  vertical-align: middle;
}

.pin-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  aspect-ratio: 3 / 4;
  background: linear-gradient(160deg, #E4E4E4, #D0D0D0);
  color: #555;
}

.pin-placeholder-letter {
  font-size: 2.5rem;
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.04em;
  opacity: 0.7;
}

/* Frosted caption strip — bottom of image only */
.pin-frost {
  position: absolute;
  left: 0.55rem;
  right: 0.55rem;
  bottom: 0.55rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 0.4rem 0.45rem 0.4rem 0.7rem;
  border-radius: var(--pill);
  background: rgba(255, 255, 255, 0.55);
  backdrop-filter: blur(14px) saturate(1.2);
  -webkit-backdrop-filter: blur(14px) saturate(1.2);
  border: 1px solid rgba(255, 255, 255, 0.35);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06);
  pointer-events: none;
}

.pin-caption {
  min-width: 0;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--ink);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.pin-go {
  display: grid;
  place-items: center;
  width: 1.55rem;
  height: 1.55rem;
  flex-shrink: 0;
  border-radius: 50%;
  background: var(--ink);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 600;
  line-height: 1;
}

.pin-body {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem 0.4rem;
  padding: 0.65rem 0.8rem 0.8rem;
}

.domain {
  display: inline-block;
  font-size: 0.65rem;
  letter-spacing: 0.01em;
  padding: 0.15rem 0.45rem;
  border-radius: var(--pill);
  background: var(--bg);
  color: var(--ink-mute);
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.cat-pill {
  display: inline-block;
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.15rem 0.5rem;
  border-radius: var(--pill);
  border: 1px solid var(--line-strong);
  background: transparent;
  color: var(--ink-mute);
}

/* —— Empty —— */
.empty {
  padding: 2rem 1.25rem;
  text-align: left;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius);
  background: var(--card);
}

.empty p {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 560;
  color: var(--ink-soft);
  letter-spacing: -0.02em;
  line-height: 1.4;
}

.empty .hint {
  margin-top: 0.45rem;
  font-size: 0.82rem;
  font-weight: 400;
  color: var(--ink-mute);
}

.empty code {
  font-size: 0.9em;
  padding: 0.1em 0.3em;
  border-radius: 4px;
  background: var(--bg);
}

/* —— Footer —— */
.site-footer {
  margin-top: 2rem;
  padding-top: 1rem;
  font-size: 0.72rem;
  color: var(--ink-mute);
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1rem;
  justify-content: space-between;
}

.site-footer code {
  font-size: 0.9em;
  padding: 0.1em 0.3em;
  border-radius: 4px;
  background: rgba(0, 0, 0, 0.05);
  color: var(--ink-soft);
}

/* —— Responsive —— */
/* Mobile: 2 cols; ~400px+ phones: 3 cols (no 1-col) */
@media (min-width: 400px) {
  .cards {
    column-count: 3;
    column-gap: 0.65rem;
  }

  @supports (grid-template-rows: masonry) {
    .cards {
      grid-template-columns: repeat(3, 1fr);
      gap: 0.65rem;
    }
  }

  .pin {
    margin-bottom: 0.65rem;
  }

  .pin-frost {
    left: 0.4rem;
    right: 0.4rem;
    bottom: 0.4rem;
    padding: 0.32rem 0.35rem 0.32rem 0.55rem;
  }

  .pin-caption {
    font-size: 0.62rem;
  }

  .pin-go {
    width: 1.35rem;
    height: 1.35rem;
    font-size: 0.62rem;
  }

  .pin-body {
    padding: 0.5rem 0.55rem 0.6rem;
  }
}

@media (min-width: 640px) {
  .site {
    padding-left: 1.25rem;
    padding-right: 1.25rem;
  }

  .cards {
    column-gap: 0.9rem;
  }

  @supports (grid-template-rows: masonry) {
    .cards {
      gap: 0.9rem;
    }
  }

  .pin {
    margin-bottom: 0.9rem;
  }

  .pin-frost {
    left: 0.55rem;
    right: 0.55rem;
    bottom: 0.55rem;
    padding: 0.4rem 0.45rem 0.4rem 0.7rem;
  }

  .pin-caption {
    font-size: 0.72rem;
  }

  .pin-go {
    width: 1.55rem;
    height: 1.55rem;
    font-size: 0.7rem;
  }

  .pin-body {
    padding: 0.65rem 0.8rem 0.8rem;
  }

  .topbar-pill,
  .search-panel {
    max-width: 26rem;
  }
}

@media (min-width: 980px) {
  .cards {
    column-count: 4;
    column-gap: 1rem;
  }

  @supports (grid-template-rows: masonry) {
    .cards {
      grid-template-columns: repeat(4, 1fr);
      gap: 1rem;
    }
  }

  .pin {
    margin-bottom: 1rem;
  }

  .filters {
    margin-bottom: 1.15rem;
  }
}

.loading .cards {
  opacity: 0.4;
}