:root {
  color-scheme: light dark;
  --bg: #f5f6f8;
  --surface: #ffffff;
  --surface-2: #eceef2;
  --text: #14171c;
  --muted: #667085;
  --border: #dfe2e8;
  --accent: #2f6df6;
  --accent-hover: #1f5be0;
  --on-accent: #ffffff;
  --danger: #d92d2d;
  --ok: #17924f;
  --shadow: 0 1px 2px rgba(16, 24, 40, .06), 0 4px 14px rgba(16, 24, 40, .06);
  --radius: 14px;
  --tile: 168px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0e1013;
    --surface: #171a1f;
    --surface-2: #21252c;
    --text: #eceff3;
    --muted: #9aa3b2;
    --border: #2a2f38;
    --accent: #5b8cff;
    --accent-hover: #7aa1ff;
    --on-accent: #0b1220;
    --danger: #ff6b6b;
    --ok: #3ccf82;
    --shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 6px 18px rgba(0, 0, 0, .35);
  }
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }

html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
  -webkit-tap-highlight-color: transparent;
}

h1, h2, h3, p { margin: 0; }
button, input, select { font: inherit; color: inherit; }
button { cursor: pointer; }
img, video { display: block; max-width: 100%; }

.ico { display: inline-flex; width: 1.25em; height: 1.25em; flex: none; }
.ico svg { width: 100%; height: 100%; }

.boot-msg { padding: 40vh 24px 0; text-align: center; color: var(--muted); }

/* ------------------------------------------------------------ Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 44px; padding: 0 18px;
  border: 1px solid var(--border); border-radius: 12px;
  background: var(--surface); font-weight: 600;
  transition: background .15s, border-color .15s, transform .05s;
}
.btn:hover { background: var(--surface-2); }
.btn:active { transform: scale(.98); }
.btn:disabled { opacity: .5; cursor: default; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--on-accent); }
.btn.primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); }
.btn.danger { color: var(--danger); }
.btn.danger.solid { background: var(--danger); border-color: var(--danger); color: #fff; }
.btn.small { min-height: 36px; padding: 0 12px; border-radius: 10px; font-size: .92rem; }
.btn.ghost { background: transparent; border-color: transparent; }
.btn.ghost:hover { background: var(--surface-2); }
.btn.icon { width: 44px; padding: 0; }
.btn.small.icon { width: 36px; }

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

/* -------------------------------------------------------------- Forms */
.field { display: grid; gap: 6px; margin-bottom: 14px; }
.field > span { font-size: .88rem; font-weight: 600; color: var(--muted); }
.input {
  width: 100%; min-height: 46px; padding: 0 14px;
  border: 1px solid var(--border); border-radius: 12px;
  background: var(--surface); font-size: 16px; /* 16px verhindert Zoom auf iOS */
}
.input:focus { outline: 2px solid var(--accent); outline-offset: -1px; border-color: transparent; }
.error-text { color: var(--danger); font-size: .92rem; min-height: 1.3em; margin-bottom: 8px; }

/* -------------------------------------------------------- Login/Setup */
.auth {
  min-height: 100dvh; display: grid; place-items: center;
  padding: calc(env(safe-area-inset-top) + 24px) 20px calc(env(safe-area-inset-bottom) + 24px);
}
.auth-card {
  width: min(100%, 380px); padding: 28px 24px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 22px; box-shadow: var(--shadow);
}
.auth-card .logo { width: 64px; height: 64px; border-radius: 16px; margin: 0 auto 14px; }
.auth-card h1 { text-align: center; font-size: 1.5rem; margin-bottom: 4px; }
.auth-card .sub { text-align: center; color: var(--muted); margin-bottom: 22px; }
.auth-card .btn { width: 100%; }
.auth-card .hint { font-size: .88rem; color: var(--muted); margin: -6px 0 14px; }
.auth-card code { background: var(--surface-2); padding: 1px 6px; border-radius: 6px; font-size: .88em; }

/* -------------------------------------------------------------- Shell */
.shell { min-height: 100dvh; display: flex; flex-direction: column; }

.top {
  position: sticky; top: 0; z-index: 30;
  display: flex; align-items: center; gap: 16px;
  padding: calc(env(safe-area-inset-top) + 8px) max(16px, env(safe-area-inset-right)) 8px max(16px, env(safe-area-inset-left));
  background: var(--surface); border-bottom: 1px solid var(--border);
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.1rem; margin-right: 8px; }
.brand img { width: 30px; height: 30px; border-radius: 8px; }
.tabs { display: flex; gap: 4px; }
.tab {
  display: inline-flex; align-items: center; gap: 8px;
  min-height: 40px; padding: 0 14px; border: 0; border-radius: 10px;
  background: transparent; color: var(--muted); font-weight: 600;
}
.tab:hover { background: var(--surface-2); color: var(--text); }
.tab[aria-selected="true"] { background: color-mix(in srgb, var(--accent) 14%, transparent); color: var(--accent); }
.top-right { margin-left: auto; display: flex; align-items: center; gap: 4px; }
.who { color: var(--muted); font-size: .92rem; margin-right: 6px; }

main { flex: 1; width: 100%; max-width: 1500px; margin: 0 auto; }
.view {
  padding: 18px max(16px, env(safe-area-inset-right)) 28px max(16px, env(safe-area-inset-left));
}

@media (max-width: 720px) {
  :root { --tile: 108px; }
  .who, .brand span { display: none; }
  .brand { margin-right: 0; }
  .top { padding-top: calc(env(safe-area-inset-top) + 6px); padding-bottom: 6px; }
  .tabs {
    position: fixed; left: 0; right: 0; bottom: 0; z-index: 40;
    justify-content: space-around; gap: 0;
    padding: 6px 8px calc(env(safe-area-inset-bottom) + 6px);
    background: var(--surface); border-top: 1px solid var(--border);
  }
  .tab { flex: 1; flex-direction: column; gap: 2px; min-height: 52px; font-size: .74rem; padding: 0 4px; }
  .tab .ico { width: 1.5em; height: 1.5em; }
  .view { padding-bottom: calc(env(safe-area-inset-bottom) + 96px); }
}

/* ------------------------------------------------------------- Upload */
.drop {
  display: grid; justify-items: center; gap: 14px; text-align: center;
  padding: 32px 20px; border: 2px dashed var(--border); border-radius: 20px;
  background: var(--surface); transition: border-color .15s, background .15s;
}
.drop.over { border-color: var(--accent); background: color-mix(in srgb, var(--accent) 8%, var(--surface)); }
.drop .big-ico { width: 56px; height: 56px; border-radius: 18px; display: grid; place-items: center;
  background: color-mix(in srgb, var(--accent) 14%, transparent); color: var(--accent); }
.drop .big-ico .ico { width: 30px; height: 30px; }
.drop h2 { font-size: 1.2rem; }
.drop p { color: var(--muted); max-width: 34ch; }
.drop .actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; width: 100%; }
.drop .actions .btn { flex: 1 1 180px; max-width: 260px; }
@media (hover: none) { .drop .desktop-only { display: none; } }

.has-queue .drop { padding: 14px; gap: 10px; }
.has-queue .drop .big-ico, .has-queue .drop h2, .has-queue .drop p { display: none; }
.has-queue .quota { display: none; }
.quota { margin-top: 14px; color: var(--muted); font-size: .88rem; text-align: center; }

.queue-head { display: flex; align-items: center; flex-wrap: wrap; gap: 8px 10px; margin: 18px 0 10px; }
.queue-head h2 { font-size: 1rem; flex: 1 1 auto; }
.queue { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.q-item {
  display: grid; grid-template-columns: 56px 1fr auto; gap: 12px; align-items: center;
  padding: 10px; background: var(--surface); border: 1px solid var(--border); border-radius: 14px;
}
.q-thumb { width: 56px; height: 56px; border-radius: 10px; overflow: hidden; background: var(--surface-2);
  display: grid; place-items: center; color: var(--muted); }
.q-thumb img { width: 100%; height: 100%; object-fit: cover; }
.q-main { min-width: 0; }
.q-name { font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.q-status { font-size: .86rem; color: var(--muted); }
.q-item.done .q-status { color: var(--ok); }
.q-item.err .q-status { color: var(--danger); }
.q-bar { height: 6px; border-radius: 3px; background: var(--surface-2); margin-top: 6px; overflow: hidden; }
.q-bar > i { display: block; height: 100%; width: 0; background: var(--accent); transition: width .2s; }
.q-item.done .q-bar > i { background: var(--ok); }
.q-item.err .q-bar > i { background: var(--danger); }
.q-actions { display: flex; gap: 4px; }

/* ------------------------------------------------------------ Galerie */
.g-toolbar {
  position: sticky; top: var(--top-h, 57px); z-index: 20;
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
  margin: -18px calc(-1 * max(16px, env(safe-area-inset-right))) 14px calc(-1 * max(16px, env(safe-area-inset-left)));
  padding: 10px max(16px, env(safe-area-inset-right)) 10px max(16px, env(safe-area-inset-left));
  background: color-mix(in srgb, var(--bg) 92%, transparent);
  border-bottom: 1px solid var(--border);
}
.g-summary { color: var(--muted); font-size: .92rem; margin-right: auto; }
.g-toolbar .input { width: auto; min-height: 36px; border-radius: 10px; padding: 0 10px; font-size: 14px; }
.g-toolbar.selecting { background: var(--surface); }
.g-toolbar .count { font-weight: 700; margin-right: auto; }

.day { margin-bottom: 22px; scroll-margin-top: calc(var(--top-h, 57px) + 64px); }
.day-head { display: flex; align-items: center; gap: 8px; margin: 8px 0 8px; }
.day-head h2 { font-size: 1.02rem; font-weight: 700; margin-right: auto; }
.day-head .btn { color: var(--muted); }

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(var(--tile), 1fr)); gap: 4px; }
.tile {
  position: relative; aspect-ratio: 1; overflow: hidden; cursor: pointer;
  scroll-margin-top: calc(var(--top-h, 57px) + 64px);
  border-radius: 8px; background: var(--surface-2); contain: content;
}
.tile img, .tile video { width: 100%; height: 100%; object-fit: cover; transition: transform .15s; }
.tile:hover img, .tile:hover video { transform: scale(1.03); }
.tile .tm {
  position: absolute; left: 0; right: 0; bottom: 0; padding: 18px 8px 5px;
  background: linear-gradient(transparent, rgba(0, 0, 0, .55));
  color: #fff; font-size: .78rem; font-weight: 600; pointer-events: none;
}
.tile .vb {
  position: absolute; top: 6px; right: 6px; display: inline-flex; align-items: center; gap: 3px;
  padding: 2px 7px 2px 5px; border-radius: 999px; background: rgba(0, 0, 0, .6);
  color: #fff; font-size: .72rem; font-weight: 600; pointer-events: none;
}
.tile .vb .ico { width: 12px; height: 12px; }
.tile .who-tag {
  position: absolute; left: 6px; top: 6px; max-width: 70%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  padding: 1px 7px; border-radius: 999px; background: rgba(0, 0, 0, .55); color: #fff; font-size: .7rem; pointer-events: none;
}
.tile .chk {
  position: absolute; z-index: 1; left: 6px; top: 6px; width: 26px; height: 26px; padding: 0;
  display: grid; place-items: center; border-radius: 50%;
  border: 2px solid #fff; background: rgba(0, 0, 0, .3); color: transparent;
  opacity: 0; transition: opacity .12s;
}
.tile .chk .ico { width: 16px; height: 16px; }
.tile:hover .chk, .selecting-mode .tile .chk, .tile:focus-within .chk { opacity: 1; }
.tile.sel .chk { background: var(--accent); border-color: var(--accent); color: var(--on-accent); opacity: 1; }
.tile.sel img, .tile.sel video { transform: scale(.88); border-radius: 6px; }
.tile.sel { outline: 3px solid var(--accent); outline-offset: -3px; }
.tile .who-tag + .chk { top: 30px; }
.tile.broken::after {
  content: "Vorschau nicht möglich"; position: absolute; inset: 0; display: grid; place-items: center;
  padding: 8px; text-align: center; font-size: .75rem; color: var(--muted); pointer-events: none;
}
.tile.broken img, .tile.broken video { display: none; }

.empty { text-align: center; color: var(--muted); padding: 64px 16px; }
.empty .ico { width: 44px; height: 44px; margin-bottom: 10px; opacity: .6; }
.sentinel { height: 1px; }
.more { text-align: center; color: var(--muted); padding: 16px; font-size: .9rem; }

/* ----------------------------------------------------------- Lightbox */
.lb {
  position: fixed; inset: 0; z-index: 100; display: flex; flex-direction: column;
  background: rgba(8, 9, 11, .98); color: #fff;
}
.lb-top {
  display: flex; align-items: center; gap: 10px;
  padding: calc(env(safe-area-inset-top) + 10px) max(14px, env(safe-area-inset-right)) 10px max(14px, env(safe-area-inset-left));
}
.lb-info { min-width: 0; margin-right: auto; }
.lb-title { font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.lb-meta { font-size: .84rem; color: rgba(255, 255, 255, .65); }
.lb .btn { background: rgba(255, 255, 255, .12); border-color: transparent; color: #fff; }
.lb .btn:hover { background: rgba(255, 255, 255, .22); }
.lb .btn.danger { color: #ff8a8a; }
.lb-stage { position: relative; flex: 1; min-height: 0; }
.lb-stage .lb-media {
  position: absolute; top: 0; bottom: calc(env(safe-area-inset-bottom) + 12px); left: 64px; right: 64px;
  width: calc(100% - 128px); height: calc(100% - env(safe-area-inset-bottom) - 12px);
  object-fit: contain; border-radius: 4px; background: transparent;
}
.lb-stage .lb-msg { position: absolute; inset: 0; display: grid; place-content: center; justify-items: center; }
.lb-nav {
  position: absolute; top: 50%; transform: translateY(-50%); width: 44px; height: 64px; padding: 0;
  display: grid; place-items: center; border: 0; border-radius: 12px;
  background: rgba(255, 255, 255, .1); color: #fff;
}
.lb-nav:hover { background: rgba(255, 255, 255, .22); }
.lb-nav.prev { left: 6px; }
.lb-nav.next { right: 6px; }
.lb-nav:disabled { opacity: .25; cursor: default; }
.lb-msg { text-align: center; color: rgba(255, 255, 255, .8); max-width: 36ch; }
.lb-msg .btn { margin-top: 12px; }
@media (max-width: 720px) {
  .lb-stage .lb-media { left: 0; right: 0; width: 100%; }
  .lb-nav { display: none; }
}

/* ------------------------------------------------------------- Admin */
.panel { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; margin-bottom: 18px; }
.panel h2 { font-size: 1.05rem; margin-bottom: 12px; }
.row-form { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 10px; align-items: end; }
.row-form .field { margin: 0; }
.pw-line { display: flex; gap: 8px; }
.pw-line .input { flex: 1; min-width: 0; }

.u-list { display: grid; gap: 10px; margin-bottom: 18px; }
.u-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px 16px; }
.u-head { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.u-name { font-weight: 700; font-size: 1.02rem; }
.badge { padding: 2px 9px; border-radius: 999px; font-size: .74rem; font-weight: 700; background: var(--surface-2); color: var(--muted); }
.badge.admin { background: color-mix(in srgb, var(--accent) 16%, transparent); color: var(--accent); }
.badge.off { background: color-mix(in srgb, var(--danger) 16%, transparent); color: var(--danger); }
.u-stats { color: var(--muted); font-size: .9rem; margin: 4px 0 0; }
.u-actions { display: flex; gap: 8px; flex-wrap: wrap; margin-left: auto; }
.u-edit { margin-top: 14px; padding-top: 14px; border-top: 1px solid var(--border); }
.u-bar { height: 5px; border-radius: 3px; background: var(--surface-2); margin-top: 8px; overflow: hidden; }
.u-bar > i { display: block; height: 100%; background: var(--accent); }
.note { padding: 12px 14px; border-radius: 12px; font-size: .92rem; }
.note.ok { background: color-mix(in srgb, var(--ok) 14%, transparent); color: var(--ok); }
.note.bad { background: color-mix(in srgb, var(--danger) 14%, transparent); color: var(--danger); }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; user-select: all; }

/* ------------------------------------------------------ Dialog, Toast */
dialog.dlg {
  width: min(92vw, 400px); padding: 22px; border: 1px solid var(--border); border-radius: 20px;
  background: var(--surface); color: var(--text); box-shadow: 0 20px 60px rgba(0, 0, 0, .35);
}
dialog.dlg::backdrop { background: rgba(0, 0, 0, .5); }
dialog.dlg h2 { font-size: 1.15rem; margin-bottom: 8px; }
dialog.dlg p { color: var(--muted); margin-bottom: 16px; }
.dlg-actions { display: flex; gap: 10px; justify-content: flex-end; margin-top: 8px; }
.dlg-actions .btn { min-width: 96px; }

.toasts {
  position: fixed; left: 0; right: 0; z-index: 200; display: grid; justify-items: center; gap: 8px; pointer-events: none;
  bottom: calc(env(safe-area-inset-bottom) + 24px);
}
@media (max-width: 720px) { .toasts { bottom: calc(env(safe-area-inset-bottom) + 84px); } }
.toast {
  max-width: min(92vw, 420px); padding: 11px 16px; border-radius: 12px;
  background: #1c2027; color: #fff; font-size: .94rem; box-shadow: var(--shadow);
  animation: toast-in .2s ease-out;
}
.toast.bad { background: var(--danger); }
.toast.good { background: var(--ok); color: #fff; }
@keyframes toast-in { from { opacity: 0; transform: translateY(8px); } }

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}

.section-title { font-size: 1rem; margin: 24px 0 10px; }