:root {
  --bg: #12141c;
  --bg-card: #1c2030;
  --bg-card-hover: #232840;
  --border: #2e3450;
  --text: #e8eaf2;
  --text-dim: #9aa0b8;
  --accent: #e8a33d;
  --accent-hover: #f5b95c;
  --danger: #d9534f;
  --radius: 10px;
}

/* Light theme: same variables, light palette. Dark (the :root above)
   stays the default. */
:root[data-theme="light"] {
  --bg: #f3f4f7;
  --bg-card: #ffffff;
  --bg-card-hover: #eceef3;
  --border: #d5d9e2;
  --text: #1d2230;
  --text-dim: #5f6675;
  --accent: #b97f1f;
  --accent-hover: #9c6a16;
  --danger: #b23c38;
}

:root[data-theme="light"] .badge { color: #2f8f57; }
:root[data-theme="light"] .progress-fill { background: var(--accent); }
:root[data-theme="light"] .btn.primary,
:root[data-theme="light"] .view-btn.active { color: #ffffff; }

* { box-sizing: border-box; }

/* The hidden attribute must win over every display rule below, otherwise
   forms like the register form (display: flex) would stay visible. */
[hidden] { display: none !important; }

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

/* ---------- header ---------- */
.topbar {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 14px 24px;
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
}
.topbar .brand-wrap { justify-self: start; }
.topbar .tabs { justify-self: center; }
.topbar .topbar-right { justify-self: end; }
.user-zone { display: flex; align-items: center; gap: 8px; }

@media (max-width: 900px) {
  .topbar {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
  }
}

.brand-wrap { display: flex; align-items: center; gap: 16px; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand-stats {
  display: flex; flex-direction: column; gap: 2px;
  font-size: 0.78rem; color: var(--text-dim); line-height: 1.3;
}
.topbar-right { display: flex; align-items: center; gap: 10px; }
.logo { width: 42px; height: 42px; }
.brand h1 { margin: 0; font-size: 1.3rem; }
.tagline { margin: 2px 0 0; font-size: 0.8rem; color: var(--text-dim); }

.tabs { display: flex; gap: 8px; align-items: center; }

.tab {
  background: transparent;
  color: var(--text-dim);
  border: 1px solid transparent;
  padding: 8px 16px;
  border-radius: var(--radius);
  font-size: 0.95rem;
  cursor: pointer;
}
.tab.active { color: var(--text); background: var(--bg-card-hover); border-color: var(--border); }
.tab:hover { color: var(--text); }

.lang-switch select {
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 8px 10px;
  font-size: 0.9rem;
  margin-left: 8px;
}

/* ---------- layout ---------- */
main { flex: 1; padding: 24px; max-width: 1200px; margin: 0 auto; width: 100%; }
.view { display: none; }
.view.active { display: block; }

.footer {
  padding: 12px 24px;
  text-align: center;
  color: var(--text-dim);
  font-size: 0.75rem;
  border-top: 1px solid var(--border);
}

/* ---------- search ---------- */
.search-bar {
  display: flex;
  gap: 8px;
  max-width: 640px;
  margin: 8px auto 24px;
}

.search-bar input {
  flex: 1;
  padding: 12px 16px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text);
  font-size: 1rem;
}
.search-bar input:focus { outline: 2px solid var(--accent); border-color: transparent; }

/* Search-mode selector: same card look as the text input (rounded, dark
   blue tone) instead of the browser's default white rectangle. */
.search-bar select {
  padding: 12px 40px 12px 16px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background-color: var(--bg-card);
  color: var(--text);
  font-size: 1rem;
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml;charset=UTF-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%239aa0b8' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
}
.search-bar select:hover { background-color: var(--bg-card-hover); }
.search-bar select:focus { outline: 2px solid var(--accent); border-color: transparent; }

.btn {
  padding: 10px 18px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text);
  font-size: 0.95rem;
  cursor: pointer;
  transition: background 0.15s;
}
.btn:hover { background: var(--bg-card-hover); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #1a1a1a; font-weight: 600; }
.btn.primary:hover { background: var(--accent-hover); }
.btn.danger { color: var(--danger); border-color: var(--danger); }
.btn.small { padding: 6px 10px; font-size: 0.8rem; }

.status {
  max-width: 640px;
  margin: 0 auto 16px;
  padding: 10px 16px;
  border-radius: var(--radius);
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-dim);
  text-align: center;
}
.status.warn { border-color: var(--accent); color: var(--accent); }
.status.error { border-color: var(--danger); color: var(--danger); }

/* ---------- cards ---------- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 16px;
}

.series-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  cursor: pointer;
  transition: background 0.15s, transform 0.1s;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.series-card:hover { background: var(--bg-card-hover); transform: translateY(-2px); }
.series-card h3 { margin: 0; font-size: 1.05rem; }
.series-card .meta { color: var(--text-dim); font-size: 0.8rem; }

.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  background: rgba(90, 200, 120, 0.15);
  color: #6dd58c;
  font-size: 0.72rem;
  font-weight: 600;
}

.card-cover {
  width: 100%;
  /* Album-friendly ratio: the whole cover stays visible instead of being
     cropped; small letterboxing fills with the page background. */
  aspect-ratio: 2 / 3;
  object-fit: contain;
  background: var(--bg);
  border-radius: 6px;
  border: 1px solid var(--border);
  align-self: center;
}

/* Neutral thumbnail for result kinds without an available image
   (series not in the library, authors). */
.card-placeholder {
  width: 100%;
  height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
}
.card-placeholder img {
  width: 40px;
  opacity: 0.45;
}

.album-thumb {
  width: 36px;
  height: 50px;
  object-fit: cover;
  border-radius: 4px;
  border: 1px solid var(--border);
}

/* ---------- detail ---------- */
.detail { max-width: 900px; margin: 0 auto; }
.detail-head {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}
.detail-cover {
  width: 200px;
  min-height: 280px;
  background: var(--bg);
  border-radius: var(--radius);
  object-fit: cover;
  border: 1px solid var(--border);
}
.detail-info { flex: 1; min-width: 260px; }
.detail-info h2 { margin: 0 0 12px; }
.detail-actions { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 16px; }

.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 10px 24px;
}
.info-grid .item { padding: 4px 0; }
.info-grid .label { color: var(--text-dim); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.04em; }
.info-grid .value { font-size: 0.95rem; }

.section {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 16px;
}
.section h3 { margin-top: 0; }

.summary-text { white-space: pre-line; line-height: 1.55; color: var(--text); }

/* album rows in series detail */
.album-row {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 10px 8px;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  border-radius: 6px;
}
.album-row:hover { background: var(--bg-card-hover); }
.album-row:last-child { border-bottom: none; }
.album-num {
  min-width: 44px;
  text-align: center;
  background: var(--bg);
  border-radius: 6px;
  padding: 4px 6px;
  font-weight: 700;
  color: var(--accent);
}
.album-row .album-title { flex: 1; }
.album-row .album-actions { display: flex; gap: 6px; }

.empty {
  text-align: center;
  color: var(--text-dim);
  padding: 60px 20px;
}

/* ---------- toast ---------- */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg-card);
  border: 1px solid var(--accent);
  color: var(--text);
  padding: 12px 24px;
  border-radius: var(--radius);
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.5);
  z-index: 100;
}

/* ---------- user box / auth ---------- */
.user-box { display: flex; align-items: center; gap: 8px; margin-left: 4px; }
.icon-btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 7px 9px;
}
.icon-btn svg { display: block; }
.tab.icon-tab {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 9px 11px;
}
.tab.icon-tab svg { display: block; }
.user-name { color: var(--text-dim); font-size: 0.9rem; }

.serie-link {
  color: var(--accent);
  text-decoration: underline;
  cursor: pointer;
}
.serie-link:hover { color: var(--accent-hover); }

.auth-card {
  max-width: 380px;
  margin: 60px auto 0;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
}
.auth-card h2 { margin: 0 0 16px; }
.auth-form { display: flex; flex-direction: column; gap: 10px; }
.auth-form input {
  padding: 11px 14px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-size: 0.95rem;
}
.auth-form input:focus { outline: 2px solid var(--accent); border-color: transparent; }
.auth-switch { margin-top: 14px; text-align: center; }
.link-btn {
  background: none; border: none; color: var(--accent); cursor: pointer;
  font-size: 0.85rem; text-decoration: underline; padding: 4px;
}

/* ---------- display bar: view toggle + sorting ---------- */
.display-bar {
  display: flex; gap: 10px; align-items: center; flex-wrap: wrap;
  margin-bottom: 12px;
}
.display-bar .view-btn.active {
  background: var(--accent); border-color: var(--accent);
  color: #1a1a1a; font-weight: 600;
}
.display-bar .sort-select {
  background: var(--bg-card); color: var(--text);
  border: 1px solid var(--border); border-radius: var(--radius);
  padding: 7px 10px; font-size: 0.85rem; cursor: pointer;
}
.display-bar .filter-input {
  flex: 1; min-width: 140px; max-width: 280px;
  background: var(--bg-card); color: var(--text);
  border: 1px solid var(--border); border-radius: var(--radius);
  padding: 7px 12px; font-size: 0.85rem;
}
.display-bar .filter-input:focus {
  outline: 2px solid var(--accent); border-color: transparent;
}
.detail-actions .filter-input {
  background: var(--bg-card); color: var(--text);
  border: 1px solid var(--border); border-radius: var(--radius);
  padding: 9px 12px; font-size: 0.9rem;
}

/* ---------- list view ---------- */
.library-list { display: flex; flex-direction: column; }
.list-row {
  display: flex; align-items: center; gap: 14px;
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 8px 14px;
  margin-bottom: 8px; cursor: pointer;
}
.list-row:hover { background: var(--bg-card-hover); }
.list-row .list-main {
  flex: 1; min-width: 0;
  display: flex; flex-direction: column; gap: 2px;
}
.list-row .list-main .meta { overflow: hidden; text-overflow: ellipsis;
  white-space: nowrap; }
.list-thumb {
  width: 36px; aspect-ratio: 2 / 3; object-fit: contain;
  background: var(--bg); border-radius: 4px; border: 1px solid var(--border);
  flex-shrink: 0;
}
.list-thumb-placeholder {
  display: flex; align-items: center; justify-content: center;
}
.list-thumb-placeholder img { width: 16px; opacity: 0.45; }

/* ---------- export ---------- */
.library-toolbar {
  display: flex; justify-content: flex-end; gap: 10px; margin-bottom: 12px;
}
.export-wrap { max-width: 900px; margin: 0 auto; }
.export-group { margin: 14px 0 6px; color: var(--accent); font-size: 0.95rem; }
.export-fields {
  display: flex; flex-wrap: wrap; gap: 8px 18px;
}
.export-format-row {
  display: flex; align-items: center; gap: 10px; margin-top: 20px; flex-wrap: wrap;
}
.export-format-row select {
  background: var(--bg); color: var(--text); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 8px 10px; font-size: 0.9rem;
}

/* ---------- import ---------- */
.import-form {
  display: flex; flex-wrap: wrap; gap: 10px 16px; align-items: center;
}
.import-form label { display: flex; flex-direction: column; gap: 6px;
  color: var(--text-dim); font-size: 0.85rem; }
.import-form select, .import-form input[type="file"] {
  background: var(--bg); color: var(--text); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 8px 10px; font-size: 0.9rem;
}
.import-form input[type="file"] { color: var(--text-dim); }

.progress-label { color: var(--text-dim); font-size: 0.85rem; margin: 16px 0 6px; }
.progress-bar {
  width: 100%; height: 14px; background: var(--bg);
  border: 1px solid var(--border); border-radius: 999px; overflow: hidden;
}
.progress-fill {
  height: 100%; width: 0%;
  background: linear-gradient(90deg, var(--accent), var(--accent-hover));
  border-radius: 999px;
  transition: width 0.2s ease;
}

.import-choice {
  background: var(--bg); border: 1px solid var(--accent);
  border-radius: var(--radius); padding: 14px; margin-top: 14px;
}
.import-choice h4 { margin: 0 0 6px; }
.import-candidates {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 10px; margin: 12px 0;
}
.import-candidate {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 10px; cursor: pointer;
  display: flex; align-items: center; gap: 10px;
}
.import-candidate:hover { background: var(--bg-card-hover); }

.import-summary { margin-top: 18px; }
.import-failures { width: 100%; border-collapse: collapse; margin-top: 10px; }
.import-failures th, .import-failures td {
  text-align: left; padding: 6px 10px; border-bottom: 1px solid var(--border);
  font-size: 0.85rem;
}
.import-failures th { color: var(--text-dim); font-weight: 600; }

/* Toolbar selects (e.g. the wishlist export format) share the display-bar
   look instead of the browser default. */
.library-toolbar select {
  background: var(--bg-card); color: var(--text);
  border: 1px solid var(--border); border-radius: var(--radius);
  padding: 7px 10px; font-size: 0.85rem; cursor: pointer;
}

.badge-wishlist { background: rgba(90, 200, 120, 0.18); color: #6dd58c; }
:root[data-theme="light"] .badge-wishlist { color: #2f8f57; }

.missing-footer {
  display: flex; justify-content: flex-end; margin-top: 14px;
}

/* ---------- missing flags ---------- */
.missing-row .check { white-space: nowrap; }
.missing-row .check + .check { margin-left: 4px; }
.missing-flags {
  display: flex; gap: 14px; flex-wrap: wrap; width: 100%;
  padding-top: 8px; margin-top: 8px;
  border-top: 1px solid var(--border);
}

/* ---------- admin ---------- */
.admin-wrap { max-width: 900px; margin: 0 auto; }
.admin-toolbar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; }
.admin-toolbar h3 { margin: 0; }

.admin-row {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px 8px;
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}
.admin-row:last-child { border-bottom: none; }
.admin-cell-name { flex: 1; min-width: 180px; display: flex; flex-direction: column; }
.admin-cell { min-width: 90px; }
.admin-cell-actions { display: flex; gap: 6px; flex-wrap: wrap; }

.admin-edit-row { justify-content: center; }
.admin-edit-form {
  display: flex; gap: 8px; align-items: center; flex-wrap: wrap;
  width: 100%;
}
.admin-edit-form input[type="text"],
.admin-edit-form input[type="password"] {
  padding: 8px 12px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  flex: 1; min-width: 120px;
}
.check { display: flex; align-items: center; gap: 4px; color: var(--text-dim); font-size: 0.85rem; white-space: nowrap; }

.badge-admin { background: rgba(232, 163, 61, 0.18); color: var(--accent); }
.badge-blocked { background: rgba(217, 83, 79, 0.18); color: var(--danger); }

/* ---------- smartphones ---------- */
@media (max-width: 640px) {
  main { padding: 12px; }
  .topbar { padding: 10px 12px; }
  .brand h1 { font-size: 1.1rem; }
  .brand .logo { width: 34px; height: 34px; }
  .tagline { display: none; }
  .brand-stats { font-size: 0.72rem; gap: 0; }

  /* Search bar: mode selector shrinks, the query field takes the rest */
  .search-bar { margin: 4px 0 16px; gap: 6px; }
  .search-bar select {
    padding: 11px 30px 11px 10px;
    font-size: 0.8rem; max-width: 104px;
  }
  .search-bar input { min-width: 0; font-size: 0.95rem; padding: 11px 12px; }
  .search-bar button { padding: 10px 14px; font-size: 0.9rem; }

  /* Display bar: buttons + sort on one line, filter on the next */
  .display-bar { gap: 6px; }
  .display-bar .sort-select { flex: 1; min-width: 0; }
  .display-bar .filter-input { order: 9; flex-basis: 100%; max-width: none; }

  /* Two columns of covers instead of one */
  .card-grid { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 10px; }
  .card-placeholder { height: 100px; }

  .detail-head { padding: 12px; gap: 12px; }
  .detail-cover { width: 110px; min-height: 160px; }
  .detail-info { min-width: 100%; }
  .detail-actions { gap: 6px; }
  .detail-actions .btn { flex: 1; }

  .album-row { padding: 8px 4px; gap: 10px; }
  .album-actions { width: 100%; justify-content: flex-start; margin-top: 4px; }
  .album-thumb { width: 32px; height: 45px; }

  .section { padding: 12px; }
  .info-grid { gap: 8px 14px; }

  /* Bigger touch targets */
  .btn { padding: 10px 14px; }
  .btn.small { padding: 9px 12px; }
  .tab { padding: 10px 12px; font-size: 0.9rem; }

  .admin-cell-actions { width: 100%; }
  .admin-edit-form input[type="text"],
  .admin-edit-form input[type="password"] { min-width: 100%; }

  .import-form { flex-direction: column; align-items: stretch; }
  .import-form label { width: 100%; }

  /* Tables scroll horizontally instead of breaking the layout */
  .import-failures { display: block; overflow-x: auto; }

  .auth-card { margin: 24px 12px 0; padding: 18px; }
  .library-toolbar { flex-wrap: wrap; gap: 8px; }
  .export-format-row { flex-wrap: wrap; }
  .footer { padding: 8px 12px; }
}

/* Very small phones: a single column everywhere */
@media (max-width: 420px) {
  .card-grid { grid-template-columns: 1fr; }
  .brand-stats { display: none; }
  .search-bar select { max-width: 88px; }
}