/* 深入 · 相册 — iOS Photos 极简扁平风 */
#dp-album.dp-album,
.dp-album {
  --al-bg: #ffffff;
  --al-ink: #1c1c1e;
  --al-soft: #636366;
  --al-mute: #8e8e93;
  --al-faint: #c7c7cc;
  --al-fill: #f2f2f7;
  --al-fill-2: #e5e5ea;
  --al-line: rgba(60, 60, 67, 0.12);
  --al-blue: #007aff;
  --al-cover: #d1d1d6;
  --al-cover-2: #aeaeb2;
  --al-glass: rgba(255, 255, 255, 0.72);
  --al-glass-edge: rgba(255, 255, 255, 0.55);
  --al-shadow: 0 8px 28px rgba(0, 0, 0, 0.08);
  --al-r: 18px;
  --al-r-lg: 22px;
  --al-sans: "SF Pro Display", "SF Pro Text", "PingFang SC", "Hiragino Sans GB", "Noto Sans SC", -apple-system, BlinkMacSystemFont, sans-serif;
  position: fixed !important;
  inset: 0 !important;
  z-index: 560 !important;
  display: flex !important;
  flex-direction: column;
  background: var(--al-bg) !important;
  color: var(--al-ink) !important;
  font-family: var(--al-sans);
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
  isolation: isolate;
  transition: opacity 0.28s ease;
  -webkit-font-smoothing: antialiased;
}

.dp-album[hidden] { display: none !important; }
.dp-album.is-open {
  opacity: 1 !important;
  pointer-events: auto !important;
}

/* ── Top chrome ── */
.dp-album__chrome {
  position: relative;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: calc(10px + env(safe-area-inset-top, 0px)) 14px 8px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.96) 0%, rgba(255, 255, 255, 0.78) 100%);
  backdrop-filter: saturate(180%) blur(16px);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
}

.dp-album__chrome-spacer {
  width: 38px;
  height: 38px;
}

.dp-album__chrome .dp-app-ctrl {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--al-fill);
  color: var(--al-ink);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.8) inset, 0 1px 3px rgba(0, 0, 0, 0.04);
}

.dp-album__chrome .dp-app-ctrl:active:not(:disabled) {
  background: var(--al-fill-2);
  transform: scale(0.94);
}

.dp-album__chrome .dp-app-ctrl.is-spinning .dp-app-ctrl__icon {
  animation: dp-album-spin 0.85s linear infinite;
}

@keyframes dp-album-spin {
  to { transform: rotate(360deg); }
}

/* ── Status ── */
.dp-album__status {
  position: relative;
  z-index: 18;
  margin: 0 16px 4px;
  padding: 8px 14px;
  border-radius: 12px;
  font-size: 12px;
  letter-spacing: 0.02em;
  text-align: center;
  background: var(--al-fill);
  color: var(--al-soft);
}

.dp-album__status.is-loading {
  color: var(--al-ink);
  background: linear-gradient(90deg, #f2f2f7 0%, #ebebf0 50%, #f2f2f7 100%);
  background-size: 200% 100%;
  animation: dp-album-shimmer 1.4s ease infinite;
}

.dp-album__status.is-success {
  color: #1c7c3a;
  background: rgba(52, 199, 89, 0.12);
}

.dp-album__status.is-error {
  color: #c0392b;
  background: rgba(255, 59, 48, 0.1);
}

@keyframes dp-album-shimmer {
  0% { background-position: 100% 0; }
  100% { background-position: -100% 0; }
}

/* ── Scroll body ── */
.dp-album__scroll {
  position: relative;
  z-index: 1;
  flex: 1;
  min-height: 0;
  overflow-x: hidden;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  padding: 4px 0 120px;
  overscroll-behavior: contain;
}

.dp-album__empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 52vh;
  padding: 40px 28px;
  text-align: center;
  color: var(--al-mute);
}

.dp-album__empty[hidden],
.dp-album__main[hidden] { display: none !important; }

.dp-album__empty-icon {
  width: 64px;
  height: 64px;
  border-radius: 18px;
  background:
    linear-gradient(145deg, #e8e8ed 0%, #d1d1d6 100%);
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.04);
  position: relative;
}

.dp-album__empty-icon::after {
  content: '';
  position: absolute;
  inset: 18px;
  border-radius: 8px;
  border: 1.5px solid rgba(60, 60, 67, 0.28);
  background:
    radial-gradient(circle at 30% 35%, rgba(60, 60, 67, 0.18) 0 4px, transparent 5px),
    linear-gradient(135deg, transparent 55%, rgba(60, 60, 67, 0.16) 56%);
}

.dp-album__empty p {
  margin: 8px 0 0;
  font-size: 17px;
  font-weight: 600;
  color: var(--al-ink);
}

.dp-album__empty span,
.dp-album__empty-inline span {
  font-size: 13px;
  color: var(--al-mute);
}

.dp-album__empty-inline {
  padding: 48px 24px;
  text-align: center;
  color: var(--al-mute);
}

.dp-album__empty-inline p {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 600;
  color: var(--al-ink);
}

/* ── Page head ── */
.dp-album__page-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 20px 18px;
}

.dp-album__page-title {
  margin: 0;
  font-size: 34px;
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1.1;
  color: var(--al-ink);
}

.dp-album__page-sub {
  margin: 6px 0 0;
  font-size: 14px;
  font-weight: 500;
  color: var(--al-soft);
}

.dp-album__page-hint {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  margin: 8px 0 0;
  font-size: 12px;
  color: var(--al-mute);
}

.dp-album__page-hint svg {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
  opacity: 0.7;
}

.dp-album__page-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-top: 6px;
}

.dp-album__circle-btn,
.dp-album__pill-btn {
  border: none;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  font-family: inherit;
}

.dp-album__circle-btn {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--al-fill);
  color: var(--al-ink);
}

.dp-album__circle-btn svg {
  width: 16px;
  height: 16px;
}

.dp-album__pill-btn {
  height: 32px;
  padding: 0 14px;
  border-radius: 999px;
  background: var(--al-fill);
  color: var(--al-ink);
  font-size: 14px;
  font-weight: 500;
}

.dp-album__circle-btn:active,
.dp-album__pill-btn:active {
  opacity: 0.72;
}

/* ── Period + grid ── */
.dp-album__period {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding: 14px 20px 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--al-soft);
}

.dp-album__period span:last-child {
  font-weight: 500;
  color: var(--al-mute);
  font-variant-numeric: tabular-nums;
}

.dp-album__grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 2px;
  padding: 0 2px;
}

.dp-album__cell {
  position: relative;
  aspect-ratio: 1;
  border: none;
  padding: 0;
  margin: 0;
  background: transparent;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  overflow: hidden;
}

.dp-album__cell-cover {
  display: block;
  width: 100%;
  height: 100%;
  background:
    linear-gradient(160deg, #e5e5ea 0%, var(--al-cover) 48%, var(--al-cover-2) 100%);
  position: relative;
  transition: transform 0.22s ease, filter 0.22s ease;
}

.dp-album__cell:active .dp-album__cell-cover {
  transform: scale(0.96);
  filter: brightness(0.94);
}

.dp-album__cell-grain {
  position: absolute;
  inset: 0;
  opacity: 0.18;
  background-image: radial-gradient(circle, rgba(0, 0, 0, 0.35) 0.4px, transparent 0.6px);
  background-size: 3px 3px;
  pointer-events: none;
}

.dp-album__badge {
  position: absolute;
  top: 4px;
  right: 4px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.88);
  color: #ff2d55;
  z-index: 1;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.12);
}

.dp-album__badge svg {
  width: 10px;
  height: 10px;
}

.dp-album__badge--lock {
  color: var(--al-ink);
}

.dp-album__chip {
  position: absolute;
  left: 3px;
  bottom: 3px;
  padding: 1px 4px;
  border-radius: 4px;
  font-size: 8px;
  font-weight: 600;
  color: #fff;
  background: rgba(0, 0, 0, 0.45);
  z-index: 1;
}

/* ── Featured sections ── */
.dp-album__section {
  margin-bottom: 28px;
}

.dp-album__section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 4px 20px 12px;
}

.dp-album__section-head h2 {
  margin: 0;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--al-ink);
}

.dp-album__chev {
  width: 8px;
  height: 8px;
  border-right: 1.5px solid var(--al-blue);
  border-bottom: 1.5px solid var(--al-blue);
  transform: rotate(45deg);
  margin-right: 4px;
}

.dp-album__edit-pill {
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 500;
  color: var(--al-blue);
  background: rgba(0, 122, 255, 0.1);
}

.dp-album__mem-rail,
.dp-album__pin-rail {
  display: flex;
  gap: 12px;
  padding: 0 20px 4px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.dp-album__mem-rail::-webkit-scrollbar,
.dp-album__pin-rail::-webkit-scrollbar {
  display: none;
}

.dp-album__mem-card {
  position: relative;
  flex: 0 0 auto;
  width: min(58vw, 220px);
  aspect-ratio: 3 / 4;
  border: none;
  padding: 0;
  border-radius: var(--al-r-lg);
  overflow: hidden;
  cursor: pointer;
  text-align: left;
  color: #fff;
  box-shadow: var(--al-shadow);
  -webkit-tap-highlight-color: transparent;
  background: #c7c7cc;
}

.dp-album__mem-card.tone-a {
  background: linear-gradient(160deg, #b8b8bd 0%, #8e8e93 55%, #636366 100%);
}
.dp-album__mem-card.tone-b {
  background: linear-gradient(160deg, #cfcfd4 0%, #a1a1a6 50%, #6c6c70 100%);
}
.dp-album__mem-card.tone-c {
  background: linear-gradient(145deg, #d8d8dc 0%, #98989d 60%, #5c5c60 100%);
}
.dp-album__mem-card.tone-d {
  background: linear-gradient(170deg, #bcbcc1 0%, #7c7c80 100%);
}

.dp-album__mem-card:active {
  transform: scale(0.985);
}

.dp-album__mem-veil {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, transparent 42%, rgba(0, 0, 0, 0.55) 100%),
    radial-gradient(circle at 70% 20%, rgba(255, 255, 255, 0.18), transparent 45%);
}

.dp-album__mem-meta {
  position: absolute;
  left: 14px;
  right: 40px;
  bottom: 14px;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.dp-album__mem-meta strong {
  font-size: 16px;
  font-weight: 650;
  letter-spacing: -0.02em;
}

.dp-album__mem-meta em {
  font-style: normal;
  font-size: 12px;
  opacity: 0.88;
}

.dp-album__mem-play {
  position: absolute;
  right: 12px;
  bottom: 12px;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.28);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 1;
}

.dp-album__mem-play::after {
  content: '';
  position: absolute;
  left: 11px;
  top: 8px;
  border-style: solid;
  border-width: 6px 0 6px 9px;
  border-color: transparent transparent transparent #fff;
}

.dp-album__pin-card {
  flex: 0 0 auto;
  width: 108px;
  border: none;
  padding: 0;
  background: transparent;
  cursor: pointer;
  text-align: left;
  font-family: inherit;
  color: var(--al-ink);
  -webkit-tap-highlight-color: transparent;
}

.dp-album__pin-card:active {
  opacity: 0.75;
}

.dp-album__pin-cover {
  display: block;
  width: 108px;
  height: 108px;
  border-radius: 16px;
  position: relative;
  overflow: hidden;
  background: linear-gradient(145deg, #e5e5ea, #c7c7cc);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.06);
}

.dp-album__pin-cover.tone-favorite {
  background: linear-gradient(145deg, #f2f2f7, #d1d1d6);
}
.dp-album__pin-cover.tone-recent {
  background: linear-gradient(145deg, #ebebf0, #aeaeb2);
}
.dp-album__pin-cover.tone-private {
  background: linear-gradient(145deg, #3a3a3c, #1c1c1e);
}
.dp-album__pin-cover.tone-deleted {
  background: linear-gradient(145deg, #d8d8dc, #8e8e93);
}
.dp-album__pin-cover.tone-memory,
.dp-album__pin-cover.tone-library {
  background: linear-gradient(145deg, #e8e8ed, #bcbcc1);
}

.dp-album__pin-heart,
.dp-album__pin-lock {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.dp-album__pin-heart::after {
  content: '♥';
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  line-height: 18px;
  text-align: center;
  color: #ff2d55;
}

.dp-album__pin-lock::before {
  content: '';
  position: absolute;
  left: 5px;
  top: 7px;
  width: 8px;
  height: 6px;
  border-radius: 1.5px;
  background: #1c1c1e;
}

.dp-album__pin-lock::after {
  content: '';
  position: absolute;
  left: 6.5px;
  top: 4px;
  width: 5px;
  height: 4px;
  border: 1.4px solid #1c1c1e;
  border-bottom: none;
  border-radius: 3px 3px 0 0;
}

.dp-album__pin-name {
  display: block;
  margin-top: 8px;
  font-size: 13px;
  font-weight: 550;
  letter-spacing: -0.01em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.dp-album__pin-count {
  display: block;
  margin-top: 1px;
  font-size: 12px;
  color: var(--al-mute);
  font-variant-numeric: tabular-nums;
}

/* ── Bottom dock ── */
.dp-album__dock {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 30;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  padding: 0 16px calc(18px + env(safe-area-inset-bottom, 0px));
  pointer-events: none;
}

.dp-album__dock > * {
  pointer-events: auto;
}

.dp-album__tabbar {
  display: flex;
  align-items: center;
  gap: 2px;
  padding: 5px;
  border-radius: 999px;
  background: var(--al-glass);
  backdrop-filter: saturate(180%) blur(22px);
  -webkit-backdrop-filter: saturate(180%) blur(22px);
  box-shadow:
    0 0 0 0.5px rgba(0, 0, 0, 0.06),
    0 10px 30px rgba(0, 0, 0, 0.1);
}

.dp-album__tab {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  min-width: 72px;
  height: 48px;
  padding: 0 14px;
  border: none;
  border-radius: 999px;
  background: transparent;
  color: var(--al-mute);
  font-family: inherit;
  font-size: 10px;
  font-weight: 500;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition: color 0.2s ease, background 0.2s ease;
}

.dp-album__tab svg {
  width: 22px;
  height: 22px;
}

.dp-album__tab.is-active {
  color: var(--al-blue);
}

.dp-album__scale {
  display: flex;
  align-items: center;
  gap: 2px;
  padding: 4px;
  border-radius: 999px;
  background: var(--al-glass);
  backdrop-filter: saturate(180%) blur(22px);
  -webkit-backdrop-filter: saturate(180%) blur(22px);
  box-shadow:
    0 0 0 0.5px rgba(0, 0, 0, 0.06),
    0 8px 24px rgba(0, 0, 0, 0.08);
}

.dp-album__scale[hidden] { display: none !important; }

.dp-album__scale-btn {
  min-width: 44px;
  height: 32px;
  padding: 0 12px;
  border: none;
  border-radius: 999px;
  background: transparent;
  color: #fff;
  mix-blend-mode: difference;
  font-family: inherit;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

.dp-album__scale-btn {
  color: var(--al-soft);
  mix-blend-mode: normal;
}

.dp-album__scale-btn.is-active {
  background: rgba(60, 60, 67, 0.18);
  color: var(--al-ink);
}

/* ── Flip overlay ── */
.dp-album__flip {
  position: absolute;
  inset: 0;
  z-index: 80;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 28px 22px;
  background: rgba(0, 0, 0, 0.42);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  opacity: 0;
  transition: opacity 0.28s ease;
}

.dp-album__flip[hidden] { display: none !important; }
.dp-album__flip.is-open {
  opacity: 1;
}

.dp-album__flip-stage {
  width: min(86vw, 340px);
  perspective: 1200px;
}

.dp-album__flip-card {
  position: relative;
  width: 100%;
  aspect-ratio: 3 / 4.1;
  transform-style: preserve-3d;
  transition: transform 0.62s cubic-bezier(0.22, 0.9, 0.28, 1);
}

.dp-album__flip.is-flipped .dp-album__flip-card {
  transform: rotateY(180deg);
}

.dp-album__flip-face {
  position: absolute;
  inset: 0;
  border-radius: 22px;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.28);
}

.dp-album__flip-face--back {
  background: linear-gradient(155deg, #e5e5ea 0%, #c7c7cc 50%, #aeaeb2 100%);
}

.dp-album__flip-gray {
  display: block;
  width: 100%;
  height: 100%;
  background:
    radial-gradient(circle at 30% 25%, rgba(255, 255, 255, 0.35), transparent 42%),
    linear-gradient(160deg, #dddde2, #b0b0b5);
}

.dp-album__flip-face--front {
  background: #fafafa;
  color: var(--al-ink);
  transform: rotateY(180deg);
}

.dp-album__flip-body {
  height: 100%;
  padding: 22px 20px 18px;
  display: flex;
  flex-direction: column;
  overflow: auto;
  -webkit-overflow-scrolling: touch;
}

.dp-album__flip-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 12px;
}

.dp-album__flip-cat {
  font-size: 11px;
  font-weight: 650;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--al-blue);
}

.dp-album__flip-views {
  font-size: 11px;
  font-weight: 500;
  color: var(--al-mute);
  font-variant-numeric: tabular-nums;
}

.dp-album__flip-title {
  margin: 0 0 10px;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.25;
}

.dp-album__flip-desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.65;
  color: var(--al-soft);
  flex: 1;
}

.dp-album__flip-mood {
  margin-top: 14px;
  padding: 12px 14px;
  border-radius: 14px;
  background: var(--al-fill);
}

.dp-album__flip-mood span {
  display: block;
  margin-bottom: 4px;
  font-size: 11px;
  font-weight: 650;
  letter-spacing: 0.04em;
  color: var(--al-mute);
}

.dp-album__flip-mood p {
  margin: 0;
  font-size: 13px;
  line-height: 1.55;
  color: var(--al-ink);
}

.dp-album__flip-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 12px;
  margin-top: 14px;
  font-size: 12px;
  color: var(--al-mute);
}

.dp-album__flip-hint {
  margin: 14px 0 0;
  text-align: center;
  font-size: 11px;
  color: var(--al-faint);
}

/* ── Toast ── */
.dp-album__toast {
  position: absolute;
  left: 50%;
  bottom: calc(96px + env(safe-area-inset-bottom, 0px));
  z-index: 90;
  transform: translateX(-50%) translateY(8px);
  max-width: 78%;
  padding: 10px 16px;
  border-radius: 999px;
  background: rgba(28, 28, 30, 0.88);
  color: #f5f5f7;
  font-size: 13px;
  font-weight: 500;
  text-align: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.24s ease, transform 0.24s ease;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.dp-album__toast.is-show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

@media (max-width: 360px) {
  .dp-album__grid {
    grid-template-columns: repeat(4, 1fr);
  }
  .dp-album__page-title {
    font-size: 30px;
  }
  .dp-album__mem-card {
    width: min(62vw, 200px);
  }
}