:root {
  --white: #ffffff;
  --off-white: #f4f6f9;
  --blue: #1c5faa;
  --blue-light: #4f8fdb;
  --blue-dark: #123f73;
  --black: #14161a;
  --black-soft: #2a2d33;
  --gold: #d4af37;
  --gold-dark: #a9821f;
  --gray-text: #4b5158;
  --border: #e1e5ea;
  --radius: 10px;
  --shadow: 0 2px 10px rgba(20, 22, 26, 0.08);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--off-white);
  color: var(--black);
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  line-height: 1.5;
}

a { color: var(--blue); text-decoration: none; }
a:hover { color: var(--blue-dark); text-decoration: underline; }

/* ---------- Layout ---------- */

.page-wrap {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 20px;
  width: 100%;
}

main.container {
  flex: 1;
  padding-top: 28px;
  padding-bottom: 56px;
}

/* ---------- Navbar ---------- */

.navbar {
  background: var(--black);
  border-bottom: 4px solid var(--blue);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  padding-bottom: 14px;
}

.brand {
  color: var(--white);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.2px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.brand span.accent { color: var(--blue-light); }

.brand:hover { text-decoration: none; color: var(--white); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 22px;
}

.nav-links a {
  color: #d7dbe2;
  font-weight: 500;
  font-size: 0.95rem;
}

.nav-links a:hover {
  color: var(--blue-light);
  text-decoration: none;
}

.nav-links .user-chip {
  color: var(--white);
  background: var(--blue);
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 0.85rem;
}

.nav-links .admin-chip {
  color: var(--black);
  background: var(--white);
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  margin-left: 6px;
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-block;
  padding: 10px 20px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
  border: 2px solid transparent;
  cursor: pointer;
  text-align: center;
}

.btn:hover { text-decoration: none; }

.btn-primary {
  background: var(--blue);
  color: var(--white);
}
.btn-primary:hover { background: var(--blue-dark); color: var(--white); }

.btn-accent {
  background: var(--black);
  color: var(--white);
}
.btn-accent:hover { background: var(--black-soft); color: var(--white); }

.btn-golden {
  background: var(--gold);
  color: var(--black);
}
.btn-golden:hover { background: var(--gold-dark); color: var(--white); }

.btn-outline {
  background: transparent;
  border-color: var(--blue);
  color: var(--blue);
}
.btn-outline:hover { background: var(--blue); color: var(--white); }

.btn-outline-black {
  background: transparent;
  border-color: var(--black);
  color: var(--black);
}
.btn-outline-black:hover { background: var(--black); color: var(--white); }

.btn-sm { padding: 6px 14px; font-size: 0.85rem; }

/* ---------- Hero / page headers ---------- */

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 24px;
}

.page-header h1 {
  margin: 0 0 4px 0;
  font-size: 1.7rem;
}

.page-header p {
  margin: 0;
  color: var(--gray-text);
}

.title-underline {
  display: inline-block;
  height: 4px;
  width: 46px;
  background: var(--blue);
  border-radius: 2px;
  margin-top: 6px;
}

/* ---------- Search ---------- */

.search-box {
  display: flex;
  gap: 8px;
  margin-bottom: 24px;
}

.search-box input[type="text"] {
  flex: 1;
  padding: 10px 14px;
  border: 2px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.95rem;
}

.search-box input[type="text"]:focus {
  outline: none;
  border-color: var(--blue);
}

/* ---------- Cards / grid ---------- */

.dict-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 18px;
}

.card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  border-top: 4px solid var(--blue);
}

.card h3 {
  margin: 0;
  font-size: 1.1rem;
}

.card .langs {
  display: inline-flex;
  gap: 6px;
  align-items: center;
  font-size: 0.85rem;
  color: var(--blue-dark);
  font-weight: 600;
}

.card .meta {
  font-size: 0.85rem;
  color: var(--gray-text);
}

.card .desc {
  font-size: 0.9rem;
  color: var(--gray-text);
  flex: 1;
}

.card .card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 6px;
  gap: 8px;
  flex-wrap: wrap;
}

.badge {
  display: inline-block;
  background: var(--black);
  color: var(--white);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 3px 9px;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.4px;
}

.badge-protected {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: var(--black);
  color: var(--white);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.4px;
}

/* ---------- Tier badges (golden / silver files) ---------- */

.tier-badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.4px;
}

.tier-badge.tier-golden {
  background: var(--gold);
  color: var(--black);
}

.tier-badge.tier-silver {
  background: var(--blue);
  color: var(--white);
}

.tier-badge.tier-admin {
  background: var(--black);
  color: var(--white);
}

/* ---------- Section headers with an action button ---------- */

.section-actions {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  margin: 34px 0 14px 0;
}

.section-actions h2 {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.15rem;
  margin: 0 0 4px 0;
}

.section-actions p.hint {
  margin: 0;
}

/* ---------- File cards (golden / silver file lists) ---------- */

.file-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.file-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 16px 18px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.file-card.tier-golden-border { border-left: 5px solid var(--gold); }
.file-card.tier-silver-border { border-left: 5px solid var(--blue); }

.file-card-main { flex: 1; min-width: 220px; }

.file-card-title {
  font-weight: 600;
  margin-bottom: 4px;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.file-card-actions {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 8px;
  flex-shrink: 0;
}

.file-card-actions .action-row {
  display: flex;
  gap: 8px;
}

.file-card-actions form { margin: 0; }

.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--gray-text);
  background: var(--white);
  border: 1px dashed var(--border);
  border-radius: var(--radius);
}

/* ---------- Detail page ---------- */

.detail-panel {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 28px;
  border-top: 6px solid var(--black);
}

.detail-panel h1 {
  margin-top: 0;
}

.section-title {
  color: var(--blue-dark);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  margin: 26px 0 10px 0;
  border-bottom: 2px solid var(--border);
  padding-bottom: 6px;
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 14px 24px;
}

.info-item .label {
  font-size: 0.78rem;
  color: var(--gray-text);
  text-transform: uppercase;
  letter-spacing: 0.4px;
}

.info-item .value {
  font-size: 0.98rem;
  color: var(--black);
  font-weight: 500;
}

/* ---------- Forms ---------- */

.form-panel {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 28px;
  max-width: 640px;
  margin: 0 auto;
  border-top: 6px solid var(--blue);
}

.form-panel.narrow { max-width: 440px; }

.form-panel h1 {
  margin-top: 0;
  font-size: 1.4rem;
}

fieldset {
  border: none;
  padding: 0;
  margin: 0 0 20px 0;
}

legend {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--blue-dark);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 10px;
  padding: 0;
}

.form-row {
  margin-bottom: 16px;
}

.form-row-inline {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

/* ---------- Process stage groups (OCR / Layout Recognition) ---------- */

.stage-group {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px 16px;
  margin-bottom: 14px;
}

.stage-toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  margin-bottom: 12px;
  cursor: pointer;
}

.stage-toggle input[type="checkbox"] {
  width: auto;
  accent-color: var(--blue);
}

.stage-group select:disabled {
  background: var(--off-white);
  color: var(--gray-text);
  cursor: not-allowed;
}

label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--black);
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="file"],
input[type="number"],
textarea,
select {
  width: 100%;
  padding: 10px 12px;
  border: 2px solid var(--border);
  border-radius: 8px;
  font-size: 0.95rem;
  font-family: inherit;
  background: var(--white);
}

textarea { resize: vertical; min-height: 80px; }

input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--blue);
}

.hint {
  font-size: 0.8rem;
  color: var(--gray-text);
  margin-top: 4px;
}

/* ---------- Flash messages ---------- */

.flash {
  padding: 12px 16px;
  border-radius: var(--radius);
  margin-bottom: 18px;
  font-size: 0.92rem;
  font-weight: 500;
}

.flash-success {
  background: #eaf1fb;
  border: 1px solid var(--blue-light);
  color: var(--blue-dark);
}

.flash-error {
  background: #eceef1;
  border: 1px solid var(--black-soft);
  color: var(--black);
}

/* ---------- Tables (admin, methods list) ---------- */

.table-panel {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 8px 0;
  overflow-x: auto;
}

table.data-table {
  width: 100%;
  border-collapse: collapse;
}

table.data-table th, table.data-table td {
  text-align: left;
  padding: 12px 20px;
  font-size: 0.92rem;
  border-bottom: 1px solid var(--border);
}

table.data-table th {
  color: var(--gray-text);
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  font-weight: 700;
}

table.data-table tr:last-child td { border-bottom: none; }

/* ---------- Footer ---------- */

footer {
  background: var(--black);
  color: #aeb4bd;
  padding: 18px 0;
  text-align: center;
  font-size: 0.82rem;
  border-top: 4px solid var(--blue);
}

footer .accent { color: var(--blue-light); }