@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
[x-cloak] { display: none !important; }

:root {
  --bg: #f7f8fc;
  --nav-bg: #0f172a;
  --nav-text: #cbd5e1;
  --nav-active: #f97316;
  --card-bg: #fff;
  --text: #1e293b;
  --text-muted: #94a3b8;
  --text-secondary: #6b7280;
  --border: #e2e8f0;
  --primary: #2563eb;
  --primary-light: #1e40af;
  --accent: #f97316;
  --accent-glow: rgba(249,115,22,.15);
  --success: #22c55e;
  --warning: #eab308;
  --danger: #ef4444;
  --info: #3b82f6;
  --radius: 10px;
  --bg-input: #fafbfc;
  --bg-input-focus: #fff;
  --bg-table-header: #f8fafc;
  --bg-table-row-hover: #f1f5f9;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.08);
  --shadow-md: 0 4px 12px rgba(0,0,0,.1);
  --badge-success-bg: #dcfce7;
  --badge-success-text: #166534;
  --badge-warning-bg: #fef9c3;
  --badge-warning-text: #854d0e;
  --badge-danger-bg: #fee2e2;
  --badge-danger-text: #991b1b;
  --badge-info-bg: #dbeafe;
  --badge-info-text: #1e40af;
  --badge-secondary-bg: #f1f5f9;
  --badge-secondary-text: #475569;
  --badge-primary-bg: #dbeafe;
  --badge-primary-text: #1d4ed8;
  --diff-add-bg: #d4edda;
  --diff-remove-bg: #f8d7da;
  --disabled-bg: #f0f0f0;
  --form-label: #444;
  --placeholder: #aab;
  --tab-hover-bg: rgba(0,0,0,.03);
  --tab-active-bg: rgba(37,99,235,.04);
  --pagination-bg: #fff;
}

[data-theme="dark"] {
  --bg: #0f172a;
  --nav-bg: #0f172a;
  --nav-text: #94a3b8;
  --card-bg: #1e293b;
  --text: #e2e8f0;
  --text-muted: #64748b;
  --text-secondary: #94a3b8;
  --border: #334155;
  --primary: #60a5fa;
  --primary-light: #3b82f6;
  --accent-glow: rgba(249,115,22,.25);
  --success: #4ade80;
  --warning: #fbbf24;
  --danger: #f87171;
  --info: #60a5fa;
  --bg-input: #334155;
  --bg-input-focus: #475569;
  --bg-table-header: #1e293b;
  --bg-table-row-hover: #334155;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.3);
  --shadow-md: 0 4px 12px rgba(0,0,0,.4);
  --badge-success-bg: rgba(34,197,94,.15);
  --badge-success-text: #4ade80;
  --badge-warning-bg: rgba(234,179,8,.15);
  --badge-warning-text: #fbbf24;
  --badge-danger-bg: rgba(239,68,68,.15);
  --badge-danger-text: #f87171;
  --badge-info-bg: rgba(59,130,246,.15);
  --badge-info-text: #60a5fa;
  --badge-secondary-bg: #334155;
  --badge-secondary-text: #94a3b8;
  --badge-primary-bg: rgba(59,130,246,.15);
  --badge-primary-text: #60a5fa;
  --diff-add-bg: rgba(34,197,94,.15);
  --diff-remove-bg: rgba(239,68,68,.15);
  --disabled-bg: #1e293b;
  --form-label: #94a3b8;
  --placeholder: #64748b;
  --tab-hover-bg: rgba(255,255,255,.05);
  --tab-active-bg: rgba(96,165,250,.1);
  --pagination-bg: #1e293b;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  display: flex;
}

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

/* ─── Nav ─── */
.nav {
  width: 230px;
  min-height: 100vh;
  background: linear-gradient(180deg, #0f172a 0%, #1e293b 100%);
  color: var(--nav-text);
  padding: 20px 0;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 100;
  border-right: 1px solid rgba(255,255,255,.04);
  display: flex;
  flex-direction: column;
}
.nav-logo {
  padding: 0 20px 20px;
  font-size: 1.25em;
  font-weight: 800;
  letter-spacing: -.3px;
  border-bottom: 1px solid rgba(255,255,255,.08);
  margin-bottom: 10px;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  background: linear-gradient(135deg, #f97316, #fb923c);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.or-balance {
  font-size: .65em;
  font-weight: 400;
  color: var(--success);
  opacity: .85;
  -webkit-text-fill-color: initial;
  background: none;
}
.nav-links { list-style: none; flex: 1; overflow-y: auto; }
.nav-group { list-style: none; }
.nav-group-label {
  display: flex; justify-content: space-between; align-items: center;
  padding: 6px 16px; font-size: .72em; text-transform: uppercase; letter-spacing: .8px;
  color: rgba(255,255,255,.4); cursor: pointer; user-select: none;
  margin-top: 12px;
}
.nav-group-label:hover { color: rgba(255,255,255,.6); }
.nav-chevron { transition: transform .2s; }
.nav-chevron.open { transform: rotate(180deg); }
.nav-sublinks { list-style: none; padding: 0; margin: 0; }
.nav-sublinks li a { padding-left: 24px; }
.nav-links li a {
  display: block;
  padding: 10px 20px;
  color: var(--nav-text);
  font-size: .9em;
  transition: background .2s, color .2s, border-color .2s;
  border-left: 3px solid transparent;
}
.nav-links li a:hover {
  background: rgba(255,255,255,.06);
  color: #f1f5f9;
  text-decoration: none;
}
.nav-links li a.active {
  background: rgba(249,115,22,.08);
  color: #fff;
  border-left-color: var(--nav-active);
  text-decoration: none;
}
.nav-user {
  padding: 15px 20px;
  border-top: 1px solid rgba(255,255,255,.1);
  font-size: .85em;
  flex-shrink: 0;
}
.nav-user .username { font-weight: 600; }
.nav-user .role { color: var(--text-muted); font-size: .8em; }
.nav-user .logout-btn {
  background: none; border: none; color: var(--nav-active);
  cursor: pointer; font-size: .85em; margin-top: 5px;
}

/* ─── Main content ─── */
.main {
  margin-left: 230px;
  padding: 30px 36px;
  flex: 1;
  min-height: 100vh;
  animation: fadeIn .3s ease;
}
@keyframes fadeIn { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

.page-title {
  font-size: 1.5em;
  font-weight: 700;
  margin-bottom: 20px;
}

/* ─── Cards ─── */
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 15px; margin-bottom: 25px; }
.card {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow-sm), 0 0 0 1px rgba(0,0,0,.03);
  transition: transform .15s, box-shadow .15s;
}
.card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md), 0 0 0 1px rgba(0,0,0,.03);
}
.card-label { font-size: .8em; color: var(--text-muted); text-transform: uppercase; letter-spacing: .5px; }
.card-value { font-size: 1.8em; font-weight: 700; margin-top: 5px; }

/* ─── Tables ─── */
.table-wrap {
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  overflow-x: auto;
}
table { width: 100%; border-collapse: collapse; }
th, td { padding: 10px 15px; text-align: left; border-bottom: 1px solid var(--border); }
th { font-size: .8em; text-transform: uppercase; color: var(--text-muted); letter-spacing: .5px; background: var(--bg-table-header); }
tr:hover { background: var(--bg-table-row-hover); }
tr:last-child td { border-bottom: none; }

/* ─── Badges ─── */
.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 12px;
  font-size: .75em;
  font-weight: 600;
}
.badge-success { background: var(--badge-success-bg); color: var(--badge-success-text); }
.badge-warning { background: var(--badge-warning-bg); color: var(--badge-warning-text); }
.badge-danger { background: var(--badge-danger-bg); color: var(--badge-danger-text); }
.badge-info { background: var(--badge-info-bg); color: var(--badge-info-text); }
.badge-secondary { background: var(--badge-secondary-bg); color: var(--badge-secondary-text); }
.badge-primary { background: var(--badge-primary-bg); color: var(--badge-primary-text); }

/* ─── Forms ─── */
.form-group { margin-bottom: 18px; }
.form-group label {
  display: block;
  font-size: .82em;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--form-label);
  letter-spacing: .2px;
}
input[type="text"], input[type="password"], input[type="email"], input[type="number"],
select, textarea {
  width: 100%;
  padding: 10px 14px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  font-size: .9em;
  font-family: inherit;
  background: var(--bg-input);
  color: var(--text);
  transition: border-color .2s, box-shadow .2s, background .2s;
}
input[type="text"]:focus, input[type="password"]:focus, input[type="email"]:focus,
input[type="number"]:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(15,52,96,.1);
  background: var(--bg-input-focus);
}
input[type="text"]::placeholder, textarea::placeholder {
  color: var(--placeholder);
}
textarea {
  resize: vertical;
  min-height: 80px;
  line-height: 1.5;
}
select {
  background: var(--bg-input);
  cursor: pointer;
}
input:disabled, textarea:disabled {
  background: var(--disabled-bg);
  color: var(--text-muted);
  cursor: not-allowed;
}

/* ─── Save status ─── */
.save-status { margin-left: 10px; }

/* ─── Buttons ─── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 18px;
  border: none;
  border-radius: var(--radius);
  font-size: .85em;
  font-weight: 600;
  cursor: pointer;
  transition: transform .1s, box-shadow .2s, opacity .15s;
}
.btn:hover { opacity: .92; transform: translateY(-1px); box-shadow: 0 4px 12px rgba(0,0,0,.12); }
.btn:active { transform: translateY(0); box-shadow: none; }
.btn-primary { background: linear-gradient(135deg, #2563eb, #1d4ed8); color: #fff; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-success { background: var(--success); color: #fff; }
.btn-sm { padding: 6px 12px; font-size: .8em; }

/* ─── Toolbar ─── */
.toolbar { display: flex; gap: 10px; align-items: center; margin-bottom: 15px; flex-wrap: wrap; }
.toolbar select, .toolbar input { width: auto; }

/* ─── Pagination ─── */
.pagination { display: flex; gap: 8px; margin-top: 15px; justify-content: center; }
.pagination button {
  padding: 6px 12px; border: 1px solid var(--border); border-radius: var(--radius);
  background: var(--pagination-bg); cursor: pointer; font-size: .85em;
}
.pagination button.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.pagination button:disabled { opacity: .5; cursor: default; }

/* ─── Timeline ─── */
.timeline { position: relative; padding-left: 30px; }
.timeline::before {
  content: '';
  position: absolute;
  left: 12px; top: 0; bottom: 0;
  width: 2px;
  background: var(--border);
}
.timeline-item {
  position: relative;
  margin-bottom: 20px;
  padding: 10px 15px;
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}
.timeline-item::before {
  content: '';
  position: absolute;
  left: -24px; top: 15px;
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--border);
}
.timeline-item.completed::before { background: var(--success); }
.timeline-item.running::before { background: var(--accent); animation: pulse 1.5s infinite; }
@keyframes pulse { 0%, 100% { box-shadow: 0 0 0 0 var(--accent-glow); } 50% { box-shadow: 0 0 0 6px transparent; } }
.timeline-item.failed::before { background: var(--danger); }
.timeline-item.pending::before { background: var(--border); }

/* ─── Login page ─── */
.login-container {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  width: 100%;
}
.login-box {
  background: var(--card-bg);
  padding: 40px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  width: 360px;
}
.login-box h1 {
  font-size: 1.4em; margin-bottom: 25px; text-align: center; font-weight: 800;
  background: linear-gradient(135deg, #f97316, #2563eb);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.login-box .error { color: var(--danger); font-size: .85em; margin-bottom: 10px; display: none; }

/* ─── Utility ─── */
.mt-10 { margin-top: 10px; }
.mt-20 { margin-top: 20px; }
.mb-10 { margin-bottom: 10px; }
.mb-20 { margin-bottom: 20px; }
.text-muted { color: var(--text-muted); }
.text-sm { font-size: .85em; }
.hidden { display: none !important; }
.flex { display: flex; }
.gap-10 { gap: 10px; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.w-full { width: 100%; }

/* ─── Tabs (CSS-only via radio+label) ─── */
.tabs { margin-bottom: 20px; }
.tab-input { display: none; }
.tab-labels { display: flex; gap: 0; border-bottom: 2px solid var(--border); margin-bottom: 20px; }
.tab-label {
  padding: 12px 22px;
  font-size: .9em;
  font-weight: 600;
  cursor: pointer;
  color: var(--text-muted);
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
  transition: color .2s, border-color .2s, background .2s;
  border-radius: var(--radius) var(--radius) 0 0;
  user-select: none;
}
.tab-label:hover { color: var(--text); background: var(--tab-hover-bg); }
.tab-input:checked + .tab-label,
.tab-label.active {
  color: var(--primary);
  border-bottom-color: var(--accent);
  background: var(--tab-active-bg);
}
.tab-content { padding: 20px; margin-top: 20px; }

/* ─── Article content ─── */
.article-content { line-height: 1.7; max-width: 800px; }
.article-content h1, .article-content h2, .article-content h3 { margin-top: 1.2em; margin-bottom: 0.5em; }
.article-content p { margin-bottom: 0.8em; }
.article-content ul, .article-content ol { margin-bottom: 0.8em; padding-left: 1.5em; }
.article-content blockquote { border-left: 3px solid var(--border); padding-left: 15px; color: var(--text-muted); }
.article-actions { display: flex; gap: 10px; margin-bottom: 20px; }

/* ─── Editor & Diff ─── */
.editor-textarea { width: 100%; min-height: 400px; font-family: monospace; font-size: .9em; line-height: 1.6; }
.diff-line { font-family: monospace; font-size: .85em; padding: 2px 8px; white-space: pre-wrap; }
.diff-add { background: var(--diff-add-bg); }
.diff-remove { background: var(--diff-remove-bg); text-decoration: line-through; }
.version-bar { display: flex; gap: 10px; align-items: center; margin-bottom: 15px; }

/* ─── Mobile nav toggle & overlay (injected via JS) ─── */
.nav-toggle { display: none; }
.nav-overlay { display: none; }

/* ─── Tablet ─── */
@media (max-width: 1024px) {
  .nav { width: 180px; }
  .main { margin-left: 180px; padding: 20px; }
  .cards { grid-template-columns: repeat(2, 1fr); }
}

/* ─── Mobile ─── */
@media (max-width: 768px) {
  /* Nav drawer */
  .nav {
    width: 260px;
    position: fixed; top: 0; left: 0; bottom: 0;
    transform: translateX(-100%);
    transition: transform .3s ease;
    z-index: 200;
  }
  body.nav-open .nav { transform: translateX(0); }

  /* Hamburger button */
  .nav-toggle {
    display: flex; align-items: center; justify-content: center;
    position: fixed; top: 10px; left: 10px; z-index: 150;
    width: 40px; height: 40px; border-radius: var(--radius);
    background: var(--nav-bg); color: #fff; border: none;
    font-size: 1.2em; cursor: pointer;
    transition: left .3s ease;
  }
  body.nav-open .nav-toggle { left: 270px; }

  /* Overlay backdrop */
  .nav-overlay {
    display: none; position: fixed; inset: 0; z-index: 199;
    background: rgba(0,0,0,.4);
  }
  body.nav-open .nav-overlay { display: block; }

  /* Main content */
  .main { margin-left: 0; padding: 60px 15px 15px; }

  /* Cards single column */
  .cards { grid-template-columns: 1fr; }

  /* Stats grid single column */
  .stats-grid { grid-template-columns: 1fr !important; }

  /* Tables */
  table th, table td { padding: 8px 10px; font-size: .85em; }

  /* Tabs horizontal scroll */
  .tab-labels { overflow-x: auto; white-space: nowrap; -webkit-overflow-scrolling: touch; }
  .tab-label { padding: 10px 16px; flex-shrink: 0; }

  /* Toolbar stacked */
  .toolbar { flex-direction: column; align-items: stretch; }
  .toolbar select, .toolbar input { width: 100%; }

  /* Pagination smaller */
  .pagination button { padding: 5px 9px; font-size: .8em; }
  .pagination { gap: 5px; }

  /* Page title */
  .page-title { font-size: 1.2em; }
}

/* ─── Theme toggle ─── */
.theme-toggle {
  background: transparent;
  border: 1px solid rgba(255,255,255,.15);
  border-radius: 6px;
  padding: 4px 8px;
  cursor: pointer;
  font-size: 16px;
  margin-bottom: 8px;
  color: var(--nav-text);
  transition: border-color .2s;
}
.theme-toggle:hover {
  border-color: rgba(255,255,255,.3);
}

/* ─── Accent utilities ─── */
.accent-text { color: var(--accent); }
.accent-gradient {
  background: linear-gradient(135deg, #f97316, #fb923c);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}