/* imgbox Design – Card-basiert, viel Weißraum, dunkles Blau + Violett-Akzent
   Light + Dark Mode, responsive, scharfe Typo */

:root {
  --bg: #f4f6fb;
  --surface: #ffffff;
  --surface-2: #eef1f8;
  --text: #101828;
  --muted: #667085;
  --border: #e4e7ec;
  --primary: #4f46e5;
  --primary-2: #6366f1;
  --primary-contrast: #ffffff;
  --public: #039855;
  --public-bg: #ecfdf3;
  --private-bg: #f2f4f7;
  --danger: #d92d20;
  --danger-bg: #fef3f2;
  --ok-bg: #ecfdf3;
  --shadow: 0 1px 2px rgba(16,24,40,.05), 0 8px 24px -12px rgba(16,24,40,.15);
  --shadow-lg: 0 12px 40px -12px rgba(16,24,40,.25);
  --radius: 14px;
  --radius-sm: 9px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b1220;
    --surface: #121a2b;
    --surface-2: #1a2438;
    --text: #e7ecf5;
    --muted: #98a2b3;
    --border: #263149;
    --primary: #6366f1;
    --primary-2: #818cf8;
    --public: #32d583;
    --public-bg: #0d2b1e;
    --private-bg: #1c2537;
    --danger: #f97066;
    --danger-bg: #3b1513;
    --ok-bg: #0d2b1e;
    --shadow: 0 1px 2px rgba(0,0,0,.4), 0 8px 24px -12px rgba(0,0,0,.6);
    --shadow-lg: 0 12px 40px -12px rgba(0,0,0,.7);
  }
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
code { background: var(--surface-2); padding: 1px 6px; border-radius: 6px; font-size: .9em; }

h1 { font-size: 1.5rem; margin: 0 0 .35rem; letter-spacing: -.02em; }
h2 { font-size: 1.1rem; margin: 0 0 .5rem; }

.muted { color: var(--muted); }
.small { font-size: .85rem; }
.nowrap { white-space: nowrap; }
.num { text-align: right; font-variant-numeric: tabular-nums; }
.hidden { display: none !important; }

/* ---------- Topbar ---------- */
.topbar {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 14px 28px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 50;
}

.brand {
  font-weight: 800;
  font-size: 1.15rem;
  color: var(--text);
  letter-spacing: -.03em;
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
}
.brand:hover { text-decoration: none; }
.brand-mark { color: var(--primary); font-size: 1.3rem; }

.search { flex: 1; max-width: 480px; }
.search input {
  width: 100%;
  padding: 9px 16px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--bg);
  color: var(--text);
  font-size: .95rem;
  outline: none;
  transition: border-color .15s, box-shadow .15s;
}
.search input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px color-mix(in srgb, var(--primary) 20%, transparent); }

.nav { display: flex; align-items: center; gap: 14px; margin-left: auto; }
.nav-link { color: var(--muted); font-weight: 600; font-size: .95rem; }
.nav-link.active, .nav-link:hover { color: var(--primary); text-decoration: none; }

.avatar {
  position: relative;
  width: 38px; height: 38px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  color: #fff;
  font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  user-select: none;
}
.avatar-menu {
  display: none;
  position: absolute;
  right: 0; top: 46px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
  min-width: 210px;
  padding: 6px;
  z-index: 60;
}
.avatar:hover .avatar-menu, .avatar:focus-within .avatar-menu { display: block; }
.avatar-menu a, .avatar-menu button {
  display: block;
  width: 100%;
  text-align: left;
  padding: 9px 12px;
  border: 0;
  background: none;
  color: var(--text);
  font-size: .92rem;
  border-radius: 7px;
  cursor: pointer;
}
.avatar-menu a:hover, .avatar-menu button:hover { background: var(--surface-2); text-decoration: none; }

/* ---------- Layout ---------- */
.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 32px 28px 64px;
  flex: 1;
}
.container-centered { max-width: 440px; display: flex; flex-direction: column; justify-content: center; }

.page-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 26px;
}

.footer {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  padding: 18px 28px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: .85rem;
}

/* ---------- Cards ---------- */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 22px;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  font-size: .93rem;
  font-weight: 600;
  cursor: pointer;
  transition: background .15s, border-color .15s, transform .05s;
  color: var(--text);
  background: var(--surface-2);
}
.btn:hover { text-decoration: none; }
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--primary); color: var(--primary-contrast); }
.btn-primary:hover { background: var(--primary-2); }
.btn-ghost { background: transparent; border-color: var(--border); }
.btn-ghost:hover { border-color: var(--primary); color: var(--primary); }
.btn-danger { background: var(--danger-bg); color: var(--danger); border-color: transparent; }
.btn-danger:hover { background: var(--danger); color: #fff; }
.btn-block { width: 100%; margin-top: 10px; }
.btn-sm { padding: 8px 14px; font-size: .88rem; }
.btn-xs { padding: 5px 10px; font-size: .8rem; border-radius: 7px; }
.btn.copied { background: var(--public); color: #fff; border-color: transparent; }

/* ---------- Tabs ---------- */
.tabs { display: flex; gap: 6px; flex-wrap: wrap; background: var(--surface-2); padding: 5px; border-radius: 999px; }
.tab {
  padding: 7px 16px;
  border-radius: 999px;
  color: var(--muted);
  font-size: .88rem;
  font-weight: 600;
}
.tab:hover { color: var(--text); text-decoration: none; }
.tab.active { background: var(--surface); color: var(--primary); box-shadow: var(--shadow); }

/* ---------- Alerts ---------- */
.alert {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: .92rem;
  margin-bottom: 18px;
  border: 1px solid transparent;
}
.alert-error { background: var(--danger-bg); color: var(--danger); }
.alert-ok { background: var(--ok-bg); color: var(--public); }

/* ---------- Badges ---------- */
.badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 999px;
  font-size: .74rem;
  font-weight: 700;
  text-transform: lowercase;
}
.badge-public { background: var(--public-bg); color: var(--public); }
.badge-private { background: var(--private-bg); color: var(--muted); }

/* ---------- Masonry Galerie ---------- */
.masonry {
  columns: 4 260px;
  column-gap: 18px;
}
.card-img {
  break-inside: avoid;
  margin: 0 0 18px;
  padding: 10px;
  overflow: hidden;
  transition: box-shadow .18s, transform .18s;
}
.card-img:hover { box-shadow: var(--shadow-lg); transform: translateY(-2px); }
.card-img img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 9px;
  background: var(--surface-2);
}
.card-img figcaption { padding: 10px 4px 2px; }
.img-title {
  font-weight: 650;
  font-size: .92rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.img-meta { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; font-size: .8rem; margin-top: 5px; }
.img-actions { display: flex; gap: 6px; margin-top: 9px; }

/* ---------- Empty state ---------- */
.empty {
  text-align: center;
  padding: 70px 20px;
  color: var(--muted);
}
.empty-icon { font-size: 3rem; margin-bottom: 10px; }

/* ---------- Pagination ---------- */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-top: 30px;
}

/* ---------- Login / Formulare ---------- */
.login-card { margin-top: auto; margin-bottom: auto; }
.login-logo { font-size: 1.6rem; font-weight: 800; color: var(--primary); margin-bottom: 14px; letter-spacing: -.03em; }

.field { display: block; margin-bottom: 15px; }
.field span { display: block; font-size: .85rem; font-weight: 600; margin-bottom: 6px; color: var(--muted); }
.field input, .field select, .field textarea,
.filter-bar input, .filter-bar select {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg);
  color: var(--text);
  font-size: .95rem;
  font-family: inherit;
  outline: none;
  transition: border-color .15s, box-shadow .15s;
}
.field input:focus, .field select:focus, .field textarea:focus,
.filter-bar input:focus, .filter-bar select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--primary) 18%, transparent);
}
.field textarea { resize: vertical; }

.inline-form { display: inline-block; margin-top: 8px; }

/* ---------- Dropzone ---------- */
.dropzone {
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 54px 24px;
  text-align: center;
  cursor: pointer;
  transition: border-color .18s, background .18s;
}
.dropzone:hover, .dropzone:focus, .dropzone.dragging {
  border-color: var(--primary);
  background: color-mix(in srgb, var(--primary) 5%, var(--surface));
  outline: none;
}
.dropzone-icon {
  font-size: 2.4rem;
  width: 64px; height: 64px;
  margin: 0 auto 14px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  background: color-mix(in srgb, var(--primary) 12%, transparent);
  color: var(--primary);
}
.dropzone-inner p { margin: 5px 0; }

.progress {
  height: 8px;
  background: var(--surface-2);
  border-radius: 999px;
  overflow: hidden;
  margin-top: 18px;
}
.progress-bar {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--primary), var(--primary-2));
  border-radius: 999px;
  transition: width .3s ease;
}

.upload-results { display: flex; flex-direction: column; gap: 14px; margin-top: 20px; }
.upload-result { display: flex; gap: 16px; align-items: center; padding: 14px; }
.upload-result img { width: 86px; height: 66px; object-fit: cover; border-radius: 8px; background: var(--surface-2); }
.upload-result-info { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 8px; align-items: flex-start; }
.upload-actions { display: flex; gap: 12px; margin-top: 26px; }

/* ---------- Link-Boxen ---------- */
.link-box {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-bottom: 9px;
}
.link-box input {
  flex: 1;
  min-width: 0;
  padding: 9px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg);
  color: var(--text);
  font-size: .85rem;
  font-family: ui-monospace, monospace;
}
.link-box-sm input { padding: 6px 9px; font-size: .78rem; }
.more-links { margin-top: 12px; }
.more-links summary { cursor: pointer; color: var(--primary); font-size: .88rem; font-weight: 600; margin-bottom: 10px; }

/* ---------- Bildseite ---------- */
.image-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 24px;
  align-items: start;
}
.image-main { padding: 16px; text-align: center; }
.image-full {
  max-width: 100%;
  height: auto;
  border-radius: 10px;
  background: var(--surface-2);
}
.image-side { display: flex; flex-direction: column; gap: 16px; position: sticky; top: 84px; }
.image-title { font-size: 1.15rem; margin-bottom: 8px; }
.side-h { margin-top: 18px; padding-top: 14px; border-top: 1px solid var(--border); font-size: .95rem; }
.image-side .side-h:first-of-type { margin-top: 4px; border-top: 0; padding-top: 0; }

.meta-list {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 6px 16px;
  margin: 0;
  font-size: .88rem;
}
.meta-list dt { color: var(--muted); }
.meta-list dd { margin: 0; text-align: right; }

/* ---------- Admin ---------- */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}
.stat { text-align: center; padding: 26px 16px; }
.stat-value { font-size: 2rem; font-weight: 800; color: var(--primary); letter-spacing: -.03em; }
.stat-label { color: var(--muted); font-size: .88rem; margin-top: 4px; }

.admin-grid { display: grid; grid-template-columns: 340px minmax(0, 1fr); gap: 20px; align-items: start; }

.filter-bar {
  display: flex;
  gap: 10px;
  margin-bottom: 18px;
  flex-wrap: wrap;
}
.filter-bar input { flex: 1; min-width: 220px; }
.filter-bar select { width: auto; }

.table { width: 100%; border-collapse: collapse; font-size: .9rem; }
.table th {
  text-align: left;
  padding: 10px 12px;
  color: var(--muted);
  font-size: .78rem;
  text-transform: uppercase;
  letter-spacing: .04em;
  border-bottom: 1px solid var(--border);
}
.table td { padding: 12px; border-bottom: 1px solid var(--border); vertical-align: middle; }
.table tr:last-child td { border-bottom: 0; }
.table tbody tr:hover { background: var(--surface-2); }
.row-disabled { opacity: .55; }

.thumb {
  width: 56px; height: 42px;
  object-fit: cover;
  border-radius: 7px;
  background: var(--surface-2);
  display: block;
}

.row-actions summary { list-style: none; }
.row-actions summary::-webkit-details-marker { display: none; }
.row-actions-menu {
  position: absolute;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
  padding: 12px;
  min-width: 240px;
  z-index: 40;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.row-actions-menu input {
  width: 100%;
  padding: 7px 10px;
  border: 1px solid var(--border);
  border-radius: 7px;
  background: var(--bg);
  color: var(--text);
}
.row-actions { position: relative; }

/* ---------- Öffentliche Startseite (Hero) ---------- */
.hero {
  position: relative;
  overflow: hidden;
  padding: 64px 40px 56px;
  margin-bottom: 34px;
  border-radius: 20px;
  background:
    radial-gradient(1000px 400px at 15% -10%, color-mix(in srgb, var(--primary) 26%, transparent), transparent 60%),
    radial-gradient(800px 380px at 95% 110%, color-mix(in srgb, var(--primary-2) 20%, transparent), transparent 55%),
    linear-gradient(135deg, #101828, #1a2450);
  color: #fff;
  text-align: center;
  box-shadow: var(--shadow-lg);
}
.hero-badge {
  display: inline-block;
  padding: 6px 16px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .12);
  border: 1px solid rgba(255, 255, 255, .22);
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  margin-bottom: 22px;
}
.hero h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  line-height: 1.1;
  letter-spacing: -.03em;
  margin: 0 auto 14px;
  max-width: 760px;
}
.hero h1 em {
  font-style: normal;
  background: linear-gradient(90deg, #a5b4fc, #818cf8 40%, #c4b5fd);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero p {
  color: rgba(255, 255, 255, .78);
  font-size: 1.08rem;
  max-width: 620px;
  margin: 0 auto 30px;
}
.hero-stats {
  display: flex;
  justify-content: center;
  gap: 44px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}
.hero-stat b {
  display: block;
  font-size: 1.9rem;
  font-weight: 800;
  letter-spacing: -.03em;
  color: #fff;
}
.hero-stat span {
  font-size: .82rem;
  color: rgba(255, 255, 255, .6);
  text-transform: uppercase;
  letter-spacing: .06em;
}
.hero-search {
  display: flex;
  gap: 10px;
  max-width: 540px;
  margin: 0 auto;
}
.hero-search input {
  flex: 1;
  padding: 14px 22px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, .25);
  background: rgba(255, 255, 255, .1);
  color: #fff;
  font-size: 1rem;
  outline: none;
  backdrop-filter: blur(6px);
}
.hero-search input::placeholder { color: rgba(255, 255, 255, .55); }
.hero-search input:focus { border-color: #a5b4fc; background: rgba(255, 255, 255, .16); }
.hero-search .btn { border-radius: 999px; padding: 14px 26px; }
.hero-cta { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; margin-top: 26px; }
.hero-cta .btn-ghost { border-color: rgba(255, 255, 255, .3); color: #fff; }
.hero-cta .btn-ghost:hover { border-color: #fff; color: #fff; }

.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}
.section-head h2 { margin: 0; }

.view-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: .78rem;
  color: var(--muted);
}

/* ---------- QR-Code ---------- */
.qr-row {
  display: flex;
  gap: 14px;
  align-items: center;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px;
  margin: 12px 0;
}
.qr-img {
  border-radius: 8px;
  background: #fff;
  flex-shrink: 0;
  display: block;
}
.qr-caption { display: flex; flex-direction: column; gap: 4px; font-size: .88rem; }

/* ---------- Fehlerseite ---------- */
.error-card { text-align: center; padding: 50px 24px; margin-top: 40px; }
.error-code { font-size: 3.4rem; font-weight: 800; color: var(--primary); letter-spacing: -.04em; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .image-layout { grid-template-columns: 1fr; }
  .image-side { position: static; }
  .admin-grid { grid-template-columns: 1fr; }
  .search { display: none; }
  .topbar { padding: 12px 16px; gap: 12px; }
  .container { padding: 22px 16px 48px; }
}