/* ============ Themes (CSS variables) ============ */
:root, html[data-theme="dark"] {
  --bg: #0e0e11; --bg2: #17171c; --bg3: #1f1f26;
  --text: #f2eee3; --text-dim: #a8a294;
  --accent: #d4af37; --accent-text: #17130a;
  --border: #2a2a33; --danger: #e05d5d;
  --shadow: 0 10px 30px rgba(0,0,0,.5);
}
html[data-theme="light"] {
  --bg: #faf6ef; --bg2: #ffffff; --bg3: #f1e9dd;
  --text: #3b2f2a; --text-dim: #8a7a70;
  --accent: #c96f4a; --accent-text: #ffffff;
  --border: #e5dbcc; --danger: #c0392b;
  --shadow: 0 10px 30px rgba(90,60,40,.12);
}
html[data-theme="minimal"] {
  --bg: #ffffff; --bg2: #f7f8fa; --bg3: #eef0f4;
  --text: #1f2937; --text-dim: #6b7280;
  --accent: #2563eb; --accent-text: #ffffff;
  --border: #e5e7eb; --danger: #dc2626;
  --shadow: 0 10px 30px rgba(15,23,42,.08);
}
html[data-theme="forest"] {
  --bg: #12261f; --bg2: #1a332b; --bg3: #224137;
  --text: #e8e4da; --text-dim: #9fae9f;
  --accent: #b08d57; --accent-text: #16110a;
  --border: #2c4a3e; --danger: #e07a5f;
  --shadow: 0 10px 30px rgba(0,0,0,.45);
}
html[data-theme="navy"] {
  --bg: #0b1d33; --bg2: #142942; --bg3: #1d3654;
  --text: #dce9f5; --text-dim: #8fa5bb;
  --accent: #ff7f66; --accent-text: #23120d;
  --border: #24405f; --danger: #ff6b6b;
  --shadow: 0 10px 30px rgba(0,0,0,.45);
}

/* ============ Base ============ */
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { background: var(--bg); }
body {
  background: var(--bg); color: var(--text);
  font: 15px/1.5 -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  min-height: 100vh;
  transition: background .3s, color .3s;
}
a { color: var(--accent); text-decoration: none; }
h1 { font-size: 1.35rem; margin: 0; font-weight: 600; }
h2 { font-size: 1.15rem; margin: 0 0 12px; }
code { background: var(--bg3); padding: 1px 6px; border-radius: 4px; }
.hidden { display: none !important; }

input[type=text], input[type=password], input[type=number], select {
  width: 100%; padding: 9px 12px; border-radius: 8px;
  border: 1px solid var(--border); background: var(--bg); color: var(--text);
  font-size: 14px; outline: none; transition: border-color .15s;
}
input:focus, select:focus { border-color: var(--accent); }
label { display: block; margin-bottom: 12px; font-size: 13px; color: var(--text-dim); }
label input, label select { margin-top: 4px; }

.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 14px; border-radius: 8px; cursor: pointer;
  border: 1px solid var(--border); background: var(--bg2); color: var(--text);
  font-size: 14px; transition: background .15s, transform .1s;
  white-space: nowrap;
}
.btn:hover { background: var(--bg3); }
.btn:active { transform: scale(.97); }
.btn.active { background: var(--accent); border-color: var(--accent); color: var(--accent-text); font-weight: 600; }
.btn-primary { background: var(--accent); border-color: var(--accent); color: var(--accent-text); font-weight: 600; }
.btn-primary:hover { filter: brightness(1.08); background: var(--accent); }
.btn-danger { color: var(--danger); border-color: var(--danger); background: transparent; }
.btn-block { width: 100%; justify-content: center; }
.btn-sm { padding: 4px 10px; font-size: 13px; }
/* Emoji shown instead of the button text on mobile (see media query) */
.btn-ico { display: none; }
.icon-btn {
  background: none; border: none; color: var(--text); font-size: 20px;
  cursor: pointer; padding: 6px 10px;
}
.link-btn {
  background: none; border: none; color: inherit; cursor: pointer;
  text-decoration: underline; font: inherit; padding: 0;
}
.alert {
  background: color-mix(in srgb, var(--danger) 14%, transparent);
  border: 1px solid var(--danger); color: var(--danger);
  padding: 9px 12px; border-radius: 8px; margin-bottom: 14px; font-size: 14px;
}
.ok-msg { color: var(--accent); font-size: 14px; }

/* ============ Login ============ */
.login-page {
  display: flex; align-items: center; justify-content: center;
  min-height: 100vh; padding: 20px;
  padding-top: calc(20px + env(safe-area-inset-top));
  padding-bottom: calc(20px + env(safe-area-inset-bottom));
  background:
    radial-gradient(1000px 500px at 20% -10%, color-mix(in srgb, var(--accent) 14%, transparent), transparent 60%),
    var(--bg);
}
.login-card {
  width: 100%; max-width: 380px; background: var(--bg2);
  border: 1px solid var(--border); border-radius: 16px;
  padding: 36px 32px; box-shadow: var(--shadow); text-align: center;
}
.login-logo { width: 84px; height: 84px; margin-bottom: 10px; }
.login-card h1 { margin-bottom: 2px; }
.login-sub { color: var(--text-dim); font-size: 13px; margin: 0 0 22px; }
.login-card form { text-align: left; }
.login-install { margin-top: 18px; font-size: 13px; }
.login-install a { color: var(--text-dim); }
.login-install a:hover { color: var(--accent); }

/* ============ Top bar ============ */
.topbar {
  display: flex; align-items: center; gap: 14px;
  padding: 10px 18px; background: var(--bg2);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 30;
  /* Installed-app (PWA) safe areas: env() is 0 in normal browsers */
  padding-top: calc(10px + env(safe-area-inset-top));
  padding-left: calc(18px + env(safe-area-inset-left));
  padding-right: calc(18px + env(safe-area-inset-right));
}
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); font-weight: 600; font-size: 16px; }
.brand img { width: 34px; height: 34px; }
.topbar-actions { margin-left: auto; display: flex; gap: 8px; align-items: center; }
.theme-wrap { position: relative; display: inline-flex; }
.theme-select { width: auto; padding: 7px 10px; }
.warn-banner {
  background: color-mix(in srgb, var(--accent) 18%, var(--bg2));
  border-bottom: 1px solid var(--accent);
  padding: 8px 18px; font-size: 14px;
}

/* ============ Layout: sidebar + content ============ */
.layout { display: flex; min-height: calc(100vh - 57px); --sidebar-w: 260px; }
.sidebar {
  width: var(--sidebar-w); flex: 0 0 var(--sidebar-w); background: var(--bg2);
  border-right: 1px solid var(--border); padding: 14px 10px;
  overflow-y: auto; max-height: calc(100vh - 57px); position: sticky; top: 57px;
}
/* Draggable divider between the folder tree and the file grid (desktop only) */
.splitter {
  flex: 0 0 6px; margin-left: -6px; cursor: col-resize;
  position: sticky; top: 57px; max-height: calc(100vh - 57px); z-index: 5;
  background: transparent; transition: background .15s;
}
.splitter:hover, .splitter.dragging { background: var(--accent); }
body.splitting { cursor: col-resize; user-select: none; }
body.splitting .sidebar, body.splitting .content { pointer-events: none; }
.sidebar-head {
  font-size: 12px; text-transform: uppercase; letter-spacing: .08em;
  color: var(--text-dim); padding: 0 8px 8px;
  display: flex; align-items: center; justify-content: space-between; gap: 8px;
}
.order-btn {
  background: var(--bg3); border: 1px solid var(--border); color: var(--text-dim);
  border-radius: 6px; padding: 2px 8px; font-size: 11px; cursor: pointer;
  letter-spacing: .05em; transition: color .15s, border-color .15s;
}
.order-btn:hover { color: var(--text); border-color: var(--accent); }
.tree, .tree ul { list-style: none; margin: 0; padding: 0; }
.tree ul { padding-left: 16px; }
.tree li { margin: 1px 0; }
.tree-row {
  display: flex; align-items: center; gap: 4px; padding: 5px 8px;
  border-radius: 7px; cursor: pointer; font-size: 14px;
  color: var(--text); user-select: none;
}
.tree-row:hover { background: var(--bg3); }
.tree-row.active { background: var(--accent); color: var(--accent-text); font-weight: 600; }
.tree-toggle {
  width: 16px; text-align: center; font-size: 10px; color: var(--text-dim);
  transition: transform .15s; flex: 0 0 16px;
}
.tree-toggle.open { transform: rotate(90deg); }
.tree-toggle.leaf { visibility: hidden; }
.tree-row.active .tree-toggle { color: var(--accent-text); }
.tree-label { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sidebar-overlay { display: none; }

.content { flex: 1; padding: 20px 24px 60px; min-width: 0; }
.content-head {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px; margin-bottom: 18px; flex-wrap: wrap;
}
.content-actions { display: flex; align-items: center; gap: 12px; }
.counter { color: var(--text-dim); font-size: 13px; }

/* Sort / order / filter toolbar */
.toolbar {
  display: flex; align-items: flex-end; gap: 10px; flex-wrap: wrap;
  margin-bottom: 16px;
}
.tb-field { margin-bottom: 0; }
.tb-field select { width: auto; margin-top: 4px; padding: 7px 10px; }
.toolbar .btn { padding: 7px 12px; }

/* ============ Thumbnail grid ============ */
.grid {
  display: grid; gap: 12px;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
}
.card {
  position: relative; aspect-ratio: 1; overflow: hidden;
  border-radius: 12px; background: var(--bg3); cursor: pointer;
  border: 1px solid var(--border);
  transition: transform .18s, box-shadow .18s;
}
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.card img {
  width: 100%; height: 100%; object-fit: cover; display: block;
  opacity: 0; transition: opacity .3s;
}
.card img.loaded { opacity: 1; }
.card .badge {
  position: absolute; top: 8px; right: 8px;
  background: rgba(0,0,0,.6); color: #fff; border-radius: 6px;
  padding: 2px 7px; font-size: 11px; backdrop-filter: blur(4px);
}
.card .name {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: 18px 10px 8px; font-size: 12px; color: #fff;
  background: linear-gradient(transparent, rgba(0,0,0,.75));
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  opacity: 0; transition: opacity .18s;
}
.card:hover .name { opacity: 1; }
.empty { color: var(--text-dim); text-align: center; padding: 60px 0; }
.sentinel { height: 1px; }
.loader { text-align: center; color: var(--text-dim); padding: 20px; }

/* ============ Lightbox ============ */
.lightbox {
  position: fixed; inset: 0; z-index: 100;
  background: rgba(0,0,0,.92); backdrop-filter: blur(6px);
  display: flex; flex-direction: column;
}
.lb-stage {
  flex: 1; display: flex; align-items: center; justify-content: center;
  min-height: 0; padding: 16px;
}
.lb-stage img, .lb-stage video {
  max-width: 100%; max-height: 100%; border-radius: 6px;
  box-shadow: 0 20px 60px rgba(0,0,0,.6);
}
.lb-btn {
  position: absolute; z-index: 101; background: rgba(255,255,255,.08);
  border: none; color: #fff; cursor: pointer; border-radius: 50%;
  width: 46px; height: 46px; font-size: 22px; line-height: 1;
  transition: background .15s;
}
.lb-btn:hover { background: rgba(255,255,255,.22); }
/* Offsets include the safe-area insets so the buttons never land under the
   status bar / Dynamic Island / home indicator in the standalone PWA. */
.lb-close {
  top: calc(14px + env(safe-area-inset-top));
  right: calc(14px + env(safe-area-inset-right));
}
.lb-prev {
  left: calc(14px + env(safe-area-inset-left));
  top: 50%; transform: translateY(-50%);
}
.lb-next {
  right: calc(14px + env(safe-area-inset-right));
  top: 50%; transform: translateY(-50%);
}
.lb-bar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 18px; color: #ddd; font-size: 14px; gap: 12px;
  padding-left: calc(18px + env(safe-area-inset-left));
  padding-right: calc(18px + env(safe-area-inset-right));
  padding-bottom: calc(10px + env(safe-area-inset-bottom));
}

/* ============ Modal ============ */
.modal {
  position: fixed; inset: 0; z-index: 90;
  background: rgba(0,0,0,.55); backdrop-filter: blur(3px);
  display: flex; align-items: center; justify-content: center; padding: 20px;
}
.modal-card {
  width: 100%; max-width: 420px; background: var(--bg2);
  border: 1px solid var(--border); border-radius: 14px;
  padding: 24px; box-shadow: var(--shadow);
}
.modal-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 8px; }

/* ============ Admin ============ */
.admin-wrap { max-width: 1000px; margin: 0 auto; padding: 24px 20px 80px; }
.panel {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: 14px; padding: 22px; margin-bottom: 22px;
}
table.data { width: 100%; border-collapse: collapse; font-size: 14px; }
table.data th {
  text-align: left; color: var(--text-dim); font-weight: 500; font-size: 12px;
  text-transform: uppercase; letter-spacing: .05em;
  padding: 8px 10px; border-bottom: 1px solid var(--border);
}
table.data td { padding: 10px; border-bottom: 1px solid var(--border); }
table.data tr:last-child td { border-bottom: none; }
.pill {
  display: inline-block; padding: 2px 10px; border-radius: 99px; font-size: 12px;
  background: var(--bg3); color: var(--text-dim);
}
.pill.on { background: color-mix(in srgb, var(--accent) 22%, transparent); color: var(--accent); }
.pill.admin { background: color-mix(in srgb, var(--accent) 90%, transparent); color: var(--accent-text); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 16px; }
.form-grid .full { grid-column: 1 / -1; }
.table-scroll { overflow-x: auto; }

/* Upload */
.dropzone {
  border: 2px dashed var(--border); border-radius: 14px;
  padding: 40px 20px; text-align: center; color: var(--text-dim);
  transition: border-color .15s, background .15s; cursor: pointer;
}
.dropzone.drag { border-color: var(--accent); background: color-mix(in srgb, var(--accent) 8%, transparent); }
.upload-row {
  display: flex; align-items: center; gap: 10px; padding: 8px 4px;
  border-bottom: 1px solid var(--border); font-size: 13px;
}
.upload-row .fname { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.progress {
  flex: 0 0 160px; height: 8px; border-radius: 5px; background: var(--bg3); overflow: hidden;
}
.progress > div { height: 100%; background: var(--accent); width: 0; transition: width .2s; }
.upload-row .status { flex: 0 0 70px; text-align: right; color: var(--text-dim); }
.upload-row.err .status { color: var(--danger); }
.upload-row.skipped { opacity: .55; }
.upload-row.skipped .fname { text-decoration: line-through; }

/* Admin: folder action bar (main gallery) */
.admin-bar { display: flex; gap: 8px; flex-wrap: wrap; margin: -6px 0 16px; }
.btn:disabled { opacity: .4; cursor: not-allowed; pointer-events: none; }
.hint { color: var(--text-dim); font-size: 13px; margin: -4px 0 10px; }

/* Admin: file selection in the grid */
.card-check {
  position: absolute; top: 8px; left: 8px; z-index: 2;
  width: 20px; height: 20px; cursor: pointer; accent-color: var(--accent);
}
.card.selected { outline: 3px solid var(--accent); outline-offset: -3px; }
.sel-bar {
  position: sticky; bottom: 16px; z-index: 20;
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  background: var(--bg2); border: 1px solid var(--border); border-radius: 12px;
  padding: 10px 16px; margin: 16px auto 0; box-shadow: var(--shadow);
  max-width: fit-content;
}

/* Upload modal + per-row cancel */
.modal-card-wide { max-width: 640px; }
.upload-toolbar { display: flex; justify-content: flex-end; margin-top: 4px; }
.row-cancel {
  flex: 0 0 auto; background: none; border: none; color: var(--text-dim);
  cursor: pointer; font-size: 15px; line-height: 1; padding: 2px 4px;
}
.row-cancel:hover { color: var(--danger); }
.upload-row.cancelled { opacity: .55; }
.upload-row.cancelled .fname { text-decoration: line-through; }

/* Logo / theme pickers */
.choice-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 14px; }
.choice {
  border: 2px solid var(--border); border-radius: 12px; padding: 14px;
  text-align: center; cursor: pointer; background: var(--bg);
  transition: border-color .15s, transform .1s;
}
.choice:hover { transform: translateY(-2px); }
.choice.selected { border-color: var(--accent); }
.choice img { width: 72px; height: 72px; }
.choice .cap { font-size: 13px; margin-top: 8px; color: var(--text-dim); }
.swatches { display: flex; gap: 4px; justify-content: center; height: 40px; align-items: center; }
.swatches span { width: 26px; height: 26px; border-radius: 50%; border: 1px solid rgba(128,128,128,.35); }

/* ============ Install page ============ */
.install-wrap {
  max-width: 640px; margin: 0 auto;
  padding: 28px 20px calc(60px + env(safe-area-inset-bottom));
  padding-top: calc(28px + env(safe-area-inset-top));
}
.install-logo { width: 72px; height: 72px; display: block; margin: 0 auto 10px; }
.install-wrap h1 { text-align: center; font-size: 24px; margin-bottom: 6px; }
.install-sub { text-align: center; color: var(--text-dim); font-size: 14px; margin: 0 0 26px; }
.install-card {
  background: var(--bg2); border: 1px solid var(--border); border-radius: 14px;
  padding: 20px 22px; margin-bottom: 18px;
}
.install-card h2 { font-size: 17px; margin-bottom: 10px; }
.install-steps { list-style: none; margin: 0; padding: 0; counter-reset: step; }
.install-steps li {
  display: flex; gap: 12px; align-items: flex-start; padding: 11px 0;
  counter-increment: step; border-top: 1px solid var(--border);
  font-size: 14px; line-height: 1.5;
}
.install-steps li:first-child { border-top: none; }
.install-steps li::before {
  content: counter(step);
  flex: 0 0 26px; height: 26px; border-radius: 50%;
  background: var(--accent); color: var(--accent-text);
  font-weight: 700; font-size: 13px;
  display: flex; align-items: center; justify-content: center;
}
.install-steps small { color: var(--text-dim); }
.step-icon { width: 22px; height: 22px; vertical-align: -6px; color: var(--accent); }
.install-note {
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  border: 1px solid var(--accent); border-radius: 10px;
  padding: 12px 14px; font-size: 14px; margin-bottom: 18px; line-height: 1.5;
}
.install-back { display: block; text-align: center; margin-top: 8px; }

/* ============ Responsive ============ */
.only-mobile { display: none; }
@media (max-width: 900px) {
  .only-mobile { display: inline-block; }
  .sidebar {
    /* The drawer ignores the desktop splitter width */
    width: 260px; flex: 0 0 260px;
    position: fixed; left: 0; top: 0; bottom: 0; z-index: 60;
    max-height: none; transform: translateX(-105%); transition: transform .22s;
    box-shadow: var(--shadow);
    padding-top: calc(20px + env(safe-area-inset-top));
    padding-bottom: calc(14px + env(safe-area-inset-bottom));
  }
  .sidebar.open { transform: translateX(0); }
  .splitter { display: none; }
  .sidebar-overlay {
    display: block; position: fixed; inset: 0; z-index: 55;
    background: rgba(0,0,0,.45); opacity: 0; pointer-events: none; transition: opacity .2s;
  }
  .sidebar-overlay.show { opacity: 1; pointer-events: auto; }
  .grid { grid-template-columns: repeat(auto-fill, minmax(110px, 1fr)); gap: 8px; }
  .content { padding: 14px 12px calc(60px + env(safe-area-inset-bottom)); }
  .brand span { display: none; }
  .install-label { display: none; }
  .form-grid { grid-template-columns: 1fr; }

  /* Compact top bar: icon-only buttons, one row, no horizontal scrolling */
  .topbar {
    gap: 8px;
    padding-left: calc(10px + env(safe-area-inset-left));
    padding-right: calc(10px + env(safe-area-inset-right));
  }
  .topbar-actions { gap: 6px; }
  .topbar .btn { padding: 8px 9px; }
  .btn-ico { display: inline; }
  .btn-label { display: none; }
  /* Theme select collapses to a 🎨 swatch; the native picker shows the names */
  .theme-wrap::after {
    content: "🎨"; position: absolute; inset: 0; font-size: 16px;
    display: flex; align-items: center; justify-content: center;
    pointer-events: none;
  }
  .theme-select { width: 46px; color: transparent; appearance: none; -webkit-appearance: none; }
  .theme-select option { color: var(--text); background: var(--bg2); }

  /* Sort / filter toolbar on a single line: labels off, selects share the width */
  .toolbar { flex-wrap: nowrap; gap: 8px; }
  .tb-label { display: none; }
  .tb-field { flex: 1 1 auto; min-width: 0; }
  .tb-field select { width: 100%; margin-top: 0; }
  .toolbar .btn { flex: 0 0 auto; }

  /* 16px stops iOS Safari from auto-zooming into focused fields */
  input[type=text], input[type=password], input[type=number], select { font-size: 16px; }
}

/* Scrollbars */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-thumb { background: var(--bg3); border-radius: 6px; }
::-webkit-scrollbar-thumb:hover { background: var(--border); }