:root {
  color-scheme: dark;
  --bg: #07070a;
  --elev: #101018;
  --elev2: #17171f;
  --cyan: #00f3ff;
  --magenta: #ff00aa;
  --text: #f4f6ff;
  --muted: #8b90a8;
  --line: rgba(255, 255, 255, 0.08);
  --danger: #ff4d6d;
  --ok: #3dffb0;
  --safe-t: env(safe-area-inset-top, 0px);
  --safe-b: env(safe-area-inset-bottom, 0px);
  --safe-l: env(safe-area-inset-left, 0px);
  --safe-r: env(safe-area-inset-right, 0px);
  --tab-h: 64px;
  --pad: clamp(10px, 3vw, 20px);
}

* { box-sizing: border-box; }
html, body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  min-height: 100dvh;
  max-width: 100%;
  overflow-x: hidden;
  -webkit-text-size-adjust: 100%;
}
body { padding: 0; }
button, input { font: inherit; color: inherit; }
button, .pick { min-height: 44px; touch-action: manipulation; }
img, video { max-width: 100%; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }

#boot {
  min-height: 100dvh; display: grid; place-items: center; text-align: center; gap: 12px;
  padding: var(--pad);
}
.boot-mark {
  width: 72px; height: 72px; border-radius: 20px;
  background: conic-gradient(from 200deg, var(--cyan), var(--magenta), var(--cyan));
  mask: radial-gradient(circle at 50% 50%, transparent 36%, #000 37%);
  animation: spin 1.2s linear infinite;
}
#boot p { color: var(--muted); letter-spacing: .14em; text-transform: uppercase; font-size: 12px; }
@keyframes spin { to { transform: rotate(1turn); } }

#view-lock {
  min-height: 100dvh; display: grid; place-items: center;
  padding: calc(24px + var(--safe-t)) var(--pad) calc(24px + var(--safe-b));
  background:
    radial-gradient(800px 400px at 20% -10%, rgba(0,243,255,.12), transparent 60%),
    radial-gradient(700px 360px at 110% 110%, rgba(255,0,170,.12), transparent 55%),
    var(--bg);
}
.lock-card { width: min(380px, 100%); text-align: center; }
.lock-icon { width: clamp(72px, 22vw, 92px); height: auto; border-radius: 24px; margin-bottom: 8px; }
#lock-title { margin: 8px 0 4px; font-size: clamp(22px, 6vw, 28px); }
#lock-sub { margin: 0 0 22px; color: var(--muted); }
#lock-form { display: grid; gap: 10px; }
#lock-form input {
  width: 100%; padding: 14px 16px; border-radius: 14px; border: 1px solid var(--line);
  background: var(--elev); text-align: center; letter-spacing: .2em;
}
#lock-go, .pick, #empty-upload, #btn-install, .ghost-wide,
#v-sheet button, #select-bar button, .sel-row button, .go {
  border: 0; border-radius: 999px; padding: 12px 16px; font-weight: 700; cursor: pointer;
}
#lock-go, #empty-upload, #btn-install, .go {
  background: linear-gradient(90deg, var(--cyan), #7af7ff); color: #061016; width: 100%;
}
.err { color: var(--danger); font-size: 13px; }
.hint { color: var(--muted); font-size: 13px; line-height: 1.45; }

#view-app {
  min-height: 100dvh;
  padding: 0 var(--safe-r) calc(var(--tab-h) + var(--safe-b) + 8px) var(--safe-l);
}
.top {
  padding: calc(10px + var(--safe-t)) var(--pad) 8px;
  display: flex; justify-content: space-between; align-items: flex-end; gap: 10px;
}
.wordmark {
  font-weight: 800; letter-spacing: .01em; font-size: clamp(16px, 4.4vw, 20px);
  background: linear-gradient(90deg, var(--cyan), var(--magenta));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.subline { color: var(--muted); font-size: 12px; margin-top: 2px; }
.top-actions { display: flex; gap: 8px; flex-shrink: 0; }
.icon-btn {
  background: var(--elev); border: 1px solid var(--line); border-radius: 999px;
  padding: 8px 12px; font-size: 13px; cursor: pointer; min-height: 40px;
}

#search-bar { padding: 0 var(--pad) 8px; }
#search {
  width: 100%; padding: 12px 14px; border-radius: 12px; border: 1px solid var(--line);
  background: var(--elev);
}

.filters {
  display: flex; gap: 8px; padding: 4px var(--pad) 10px; overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.chip {
  border: 1px solid var(--line); background: var(--elev); color: var(--text);
  border-radius: 999px; padding: 8px 12px; white-space: nowrap; cursor: pointer; font-size: 13px;
  min-height: 36px;
}
.chip.on { background: var(--cyan); color: #061016; border-color: transparent; font-weight: 700; }

#select-bar { padding: 6px var(--pad) 10px; }
.sel-row {
  display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-bottom: 8px;
}
.sel-row button, #select-bar button {
  background: var(--elev2); color: var(--text); border: 1px solid var(--line);
  font-size: 12px; padding: 8px 12px; min-height: 40px;
}
#select-bar .danger, #v-del, #btn-del-sel { background: #2a1016; color: #ffb3c0; }
.danger { color: var(--danger); }
#select-count, #stage-summary { font-weight: 700; font-size: 13px; }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(31vw, 148px), 1fr));
  gap: 3px;
  padding: 0 3px;
}
@media (min-width: 600px) {
  .grid { grid-template-columns: repeat(auto-fill, minmax(128px, 1fr)); }
}
@media (min-width: 1100px) {
  .grid { grid-template-columns: repeat(auto-fill, minmax(148px, 1fr)); }
}

.tile {
  position: relative; aspect-ratio: 1; background: #0c0c12; overflow: hidden; cursor: pointer;
  border: 0; padding: 0; min-height: 0; color: inherit;
}
.tile img, .tile video { width: 100%; height: 100%; object-fit: cover; display: block; }
.tile .badge {
  position: absolute; left: 6px; bottom: 6px; font-size: 11px; font-weight: 700;
  background: rgba(0,0,0,.55); padding: 2px 6px; border-radius: 6px;
}
.tile .star { position: absolute; top: 6px; right: 6px; color: var(--cyan); font-size: 12px; }
.tile.check { outline: 2px solid var(--cyan); outline-offset: -2px; }
.tile .pickmark {
  position: absolute; top: 6px; left: 6px; width: 18px; height: 18px; border-radius: 50%;
  border: 2px solid #fff; background: transparent;
}
.tile.check .pickmark { background: var(--cyan); border-color: var(--cyan); }
.audio-tile {
  display: grid; place-items: center; padding: 10px; text-align: center; font-size: 11px; color: var(--muted);
  background: linear-gradient(160deg, #12121c, #0a0a10); width: 100%; height: 100%;
}
.audio-tile b { color: var(--text); font-size: 12px; display: block; overflow: hidden; text-overflow: ellipsis; }

.empty { padding: clamp(28px, 8vw, 48px) var(--pad); text-align: center; }
.empty h2 { margin: 0 0 8px; font-size: clamp(18px, 5vw, 24px); }
.empty-mini { color: var(--muted); padding: 24px; text-align: center; }

.drop {
  margin: 12px var(--pad); padding: clamp(16px, 4vw, 28px) var(--pad);
  border: 1px dashed rgba(0,243,255,.35);
  border-radius: 20px; text-align: center; background: rgba(0,243,255,.03);
}
.drop strong { display: block; font-size: clamp(16px, 4.4vw, 20px); margin-bottom: 6px; }
.pick-row {
  display: flex; gap: 10px; justify-content: center; margin-top: 16px;
  flex-wrap: wrap;
}
.pick {
  background: var(--cyan); color: #061016; display: inline-flex; align-items: center; justify-content: center;
  padding: 12px 16px;
}
.pick.alt, button.pick.alt { background: var(--elev2); color: var(--text); border: 1px solid var(--line); }
.pick input { display: none; }
button.pick { font: inherit; }

.stage-head {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 6px;
  padding: 0 var(--pad); align-items: baseline;
}
#stage-wrap { margin-bottom: 12px; }
#stage-wrap .sel-row, #stage-wrap .go { margin-left: var(--pad); margin-right: var(--pad); }
#stage-wrap .go { margin-top: 4px; margin-bottom: 10px; width: calc(100% - 2 * var(--pad)); }
.stage-list, .queue { list-style: none; margin: 0; padding: 0 var(--pad) 28px; display: grid; gap: 8px; }
.stage-list li, .queue li {
  background: var(--elev); border: 1px solid var(--line); border-radius: 14px; padding: 10px 12px;
  display: grid; grid-template-columns: 22px 1fr; gap: 8px 10px; align-items: center;
}
.stage-list li.up { grid-template-columns: 22px 1fr; }
.stage-list input[type="checkbox"] { width: 18px; height: 18px; accent-color: var(--cyan); }
.q-name { font-size: 13px; font-weight: 650; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.q-sub { color: var(--muted); font-size: 12px; grid-column: 2; }
.bar { height: 5px; background: #1c1c26; border-radius: 99px; overflow: hidden; grid-column: 2; }
.bar > i { display: block; height: 100%; width: 0; background: linear-gradient(90deg, var(--cyan), var(--magenta)); }
.q-meta { color: var(--muted); font-size: 12px; }
.ok { color: var(--ok); }
.warn { color: #ffd36a; }

.freed {
  margin: 0 var(--pad) 12px; padding: 12px 14px; border-radius: 14px;
  background: rgba(61,255,176,.08); border: 1px solid rgba(61,255,176,.25); color: var(--ok);
  font-weight: 700; font-size: 14px;
}

.page-h { margin: 8px var(--pad) 0; font-size: clamp(16px, 4.4vw, 18px); }
.share-list { list-style: none; margin: 0; padding: 12px var(--pad) 32px; display: grid; gap: 8px; }
.share-list li {
  background: var(--elev); border: 1px solid var(--line); border-radius: 14px; padding: 12px;
  display: grid; gap: 8px;
}
.share-list .row { display: flex; justify-content: space-between; gap: 8px; align-items: center; flex-wrap: wrap; }
.share-list button, .share-list a {
  background: var(--elev2); border: 1px solid var(--line); color: var(--text);
  border-radius: 999px; padding: 8px 12px; text-decoration: none; font-size: 12px; cursor: pointer;
}

.meter { height: 10px; margin: 12px var(--pad); background: #16161e; border-radius: 99px; overflow: hidden; }
.meter i { display: block; height: 100%; width: 0; background: linear-gradient(90deg, var(--cyan), var(--magenta)); }
#meter-label { margin: 0 var(--pad) 16px; }
.stats { list-style: none; margin: 0 var(--pad) 20px; padding: 0; display: grid; gap: 8px; }
.stats li {
  display: flex; justify-content: space-between; gap: 12px; background: var(--elev);
  border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px;
}
.ios-card {
  margin: 0 var(--pad) 12px; padding: 16px; background: var(--elev); border: 1px solid var(--line); border-radius: 16px;
}
.ios-card h3 { margin: 0 0 6px; font-size: 15px; }
.ios-card p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.45; }
.ghost-wide {
  display: block; width: calc(100% - 2 * var(--pad)); margin: 20px var(--pad) 40px;
  background: transparent; border: 1px solid var(--line); color: var(--muted);
}

.tabbar {
  position: fixed; left: 0; right: 0; bottom: 0;
  display: grid; grid-template-columns: repeat(4, 1fr);
  padding: 6px 6px calc(6px + var(--safe-b));
  background: rgba(7,7,10,.92); backdrop-filter: blur(16px);
  border-top: 1px solid var(--line);
  z-index: 20;
}
.tab {
  background: none; border: 0; color: var(--muted); padding: 10px 2px; cursor: pointer;
  font-weight: 650; font-size: clamp(11px, 3.2vw, 13px); min-height: 44px;
}
.tab.on { color: var(--cyan); }

#viewer {
  position: fixed; inset: 0; background: #000; z-index: 40; display: flex; flex-direction: column;
  padding-left: var(--safe-l); padding-right: var(--safe-r);
}
.v-top, .v-bot {
  display: flex; align-items: center; gap: 8px; padding: 10px 12px; flex-wrap: wrap;
}
.v-top { padding-top: calc(10px + var(--safe-t)); }
.v-bot { padding-bottom: calc(12px + var(--safe-b)); justify-content: space-between; }
#v-name { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 13px; }
#v-stage {
  flex: 1; display: grid; place-items: center; overflow: hidden; min-height: 0;
}
#v-stage img, #v-stage video {
  max-width: 100%; max-height: 100%; width: auto; height: auto; object-fit: contain;
}
#v-stage audio { width: min(520px, 92%); }
#viewer button {
  background: #16161c; border: 0; color: #fff; border-radius: 999px; padding: 8px 12px; cursor: pointer;
  min-height: 40px;
}
#v-sheet {
  position: absolute; left: 0; right: 0; bottom: 0;
  background: #101018; border-top: 1px solid var(--line);
  padding: 12px 12px calc(16px + var(--safe-b));
  display: grid; gap: 8px; border-radius: 18px 18px 0 0;
}
#v-sheet button { width: 100%; text-align: center; padding: 12px; }

#toast {
  position: fixed; left: 50%; bottom: calc(var(--tab-h) + var(--safe-b) + 12px); transform: translateX(-50%);
  background: #f4f6ff; color: #07070a; padding: 10px 14px; border-radius: 999px;
  font-weight: 700; font-size: 13px; z-index: 50; max-width: min(92vw, 420px); text-align: center;
}

@media (max-width: 380px) {
  .wordmark { font-size: 16px; }
  .pick { padding: 10px 12px; font-size: 13px; }
}
@media (max-height: 500px) and (orientation: landscape) {
  :root { --tab-h: 48px; }
  .top { padding-top: 6px; }
  .lock-icon { width: 56px; }
  .tab { min-height: 36px; padding: 6px 2px; }
  #v-stage { max-height: 58dvh; }
}
@media (min-width: 900px) {
  #page-upload, #page-shares, #page-storage, .empty { max-width: 860px; }
  #page-shares, #page-storage { margin-inline: auto; }
  #page-upload { margin-inline: auto; }
}

[hidden] { display: none !important; }