:root {
  color-scheme: dark;
  --bg: #0b0e11;
  --bg-soft: #141a24;
  --bg-elevated: #1e2329;
  --bg-hover: #2b3139;
  --sidebar-bg: #11161c;
  --topbar-bg: rgba(17, 22, 28, 0.95);
  --border: #2b3139;
  --border-strong: #3a424d;
  --text: #eaecef;
  --text-muted: #848e9c;
  --brand: #f0b90b;
  --brand-strong: #fcd535;
  --brand-soft: rgba(240, 185, 11, 0.16);
  --success: #03a66d;
  --warning: #f59e0b;
  --danger: #f6465d;
  --info: #3b82f6;
  --shadow: 0 14px 28px rgba(0, 0, 0, 0.32);
  --radius-lg: 16px;
  --radius-md: 10px;
  --radius-sm: 8px;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
}

[data-theme="light"] {
  color-scheme: light;
  --bg: #f5f7fb;
  --bg-soft: #ffffff;
  --bg-elevated: #ffffff;
  --bg-hover: #f1f5fb;
  --sidebar-bg: #ffffff;
  --topbar-bg: rgba(255, 255, 255, 0.95);
  --border: #dce3ec;
  --border-strong: #c9d3df;
  --text: #1f2937;
  --text-muted: #64748b;
  --brand: #d89b00;
  --brand-strong: #b47f00;
  --brand-soft: rgba(216, 155, 0, 0.14);
  --success: #15803d;
  --warning: #b45309;
  --danger: #dc2626;
  --info: #1d4ed8;
  --shadow: 0 10px 25px rgba(15, 23, 42, 0.08);
}

*,
*::before,
*::after { box-sizing: border-box; }

html, body { margin: 0; padding: 0; }

body {
  font-family: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  font-size: 14px;
  letter-spacing: 0.01em;
}

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

pre, code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12px;
}

.app-shell { min-height: 100vh; display: flex; background: var(--bg); }

.sidebar {
  width: 260px;
  background: var(--sidebar-bg);
  border-right: 1px solid var(--border);
  padding: 18px 14px;
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  flex-direction: column;
  z-index: 30;
}

.sidebar-logo { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; padding: 4px 8px 12px; border-bottom: 1px solid var(--border); }
.sidebar-logo-link,
.topbar-logo-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  cursor: pointer;
}
.sidebar-logo-link:hover,
.topbar-logo-link:hover { text-decoration: none; }
.sidebar-logo-link { color: inherit; }
.topbar-logo-link { color: inherit; }
.sidebar-logo-link img,
.topbar-logo-link img { display: block; }
.brand-logo { display: inline-block; width: 30px; height: 30px; flex: 0 0 30px; }
.topbar-logo { width: 24px; height: 24px; }
.logo-dot {
  width: 22px; height: 22px; border-radius: 7px;
  background: linear-gradient(145deg, var(--brand), #c79100);
  box-shadow: 0 0 0 3px var(--brand-soft);
}
.logo-text { font-size: 14px; letter-spacing: 0.06em; font-weight: 700; text-transform: uppercase; color: var(--text); line-height: 1; display: inline-block; vertical-align: middle; }

.sidebar-nav { display: flex; flex-direction: column; gap: 4px; margin-top: 10px; }
.nav-item {
  display: flex; align-items: center; justify-content: space-between;
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  color: var(--text-muted);
  font-size: 13px; font-weight: 500;
  transition: all .15s ease;
}
.nav-item:hover { background: var(--bg-hover); color: var(--text); text-decoration: none; }
.nav-item.is-active {
  background: linear-gradient(90deg, var(--brand-soft), rgba(240, 185, 11, 0.02));
  color: var(--brand);
  border: 1px solid rgba(240, 185, 11, 0.26);
}

.sidebar-footer { margin-top: auto; padding: 12px 8px 0; border-top: 1px solid var(--border); }

.main { flex: 1; min-width: 0; display: flex; flex-direction: column; }

.topbar {
  height: 64px;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 18px;
  background: var(--topbar-bg);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 25;
  backdrop-filter: blur(8px);
}
.topbar-left { display: flex; align-items: center; gap: 12px; }
.topbar-title { margin: 0; font-size: 18px; font-weight: 700; color: var(--text); }
.topbar-right { display: flex; align-items: center; gap: 8px; }

.icon-btn {
  width: 34px; height: 34px; border-radius: 10px;
  border: 1px solid var(--border-strong);
  background: var(--bg-soft);
  color: var(--text);
  display: inline-flex; align-items: center; justify-content: center;
  cursor: pointer;
}
.icon-btn:hover { border-color: var(--brand); color: var(--brand); }
.sidebar-toggle { display: none; }

.icon-moon::before { content: attr(data-mode); font-size: 0; }
[data-theme="dark"] .icon-moon::after { content: "☀"; font-size: 15px; }
[data-theme="light"] .icon-moon::after { content: "☾"; font-size: 15px; }
.icon-menu::after { content: "☰"; font-size: 15px; }
.sidebar-toggle[data-open="1"] .icon-menu::after { content: "×"; font-size: 16px; }

.content { padding: 18px; display: grid; gap: 14px; }
h1, h2, h3, h4 { margin: 0; color: var(--text); line-height: 1.3; letter-spacing: 0.01em; }
h2 { font-size: 18px; font-weight: 700; }
h3 { font-size: 15px; font-weight: 650; }
p { margin: 0 0 var(--space-2) 0; color: var(--text); }
ul { margin: 0; padding-left: 18px; }
li { margin-bottom: 4px; }

.card {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: 16px;
}
.table-card { padding: 14px; }
.card-head,
.card-foot {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  flex-wrap: wrap;
}
.card-foot { margin-top: var(--space-3); padding-top: var(--space-2); border-top: 1px solid var(--border); }
.section-title { display: flex; align-items: center; justify-content: space-between; gap: var(--space-3); margin-bottom: var(--space-3); }
.section-title h2, .section-title h3 { margin: 0; }
.toolbar { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.inline-form { display: flex; align-items: end; gap: 10px; flex-wrap: wrap; margin-bottom: 10px; }
.panel-grid-2 { display: grid; grid-template-columns: 1.2fr 1fr; gap: 14px; }

.grid { display: grid; gap: 12px; }
.grid.cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid.cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }

.metric {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--bg-elevated);
  padding: 12px;
}
.metric-label { color: var(--text-muted); font-size: 11px; text-transform: uppercase; letter-spacing: .07em; }
.metric-value { margin-top: 6px; font-size: 22px; font-weight: 700; }
.metric-sub { color: var(--text-muted); font-size: 12px; }

.table-wrap,
.table-scroll {
  width: 100%;
  overflow: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--bg-elevated);
}

table,
.table { width: 100%; border-collapse: collapse; font-size: 13px; min-width: 640px; }
th, td { padding: 10px 10px; border-bottom: 1px solid var(--border); text-align: left; vertical-align: top; color: var(--text); }
thead tr { background: var(--bg-soft); }
thead th { position: sticky; top: 0; z-index: 1; color: var(--text-muted); text-transform: uppercase; letter-spacing: .05em; font-size: 11px; }
tbody tr:nth-child(even) { background: color-mix(in srgb, var(--bg-elevated) 92%, var(--bg-hover)); }
tbody tr:hover { background: var(--bg-hover); }

.badge {
  display: inline-flex; align-items: center; gap: 4px;
  border-radius: 999px; border: 1px solid transparent;
  padding: 2px 8px; font-size: 11px; font-weight: 600;
  background: var(--bg-elevated);
  color: var(--text-muted);
}
.badge.green { color: var(--success); border-color: color-mix(in srgb, var(--success) 40%, transparent); background: color-mix(in srgb, var(--success) 12%, transparent); }
.badge.yellow { color: var(--warning); border-color: color-mix(in srgb, var(--warning) 40%, transparent); background: color-mix(in srgb, var(--warning) 14%, transparent); }
.badge.red { color: var(--danger); border-color: color-mix(in srgb, var(--danger) 40%, transparent); background: color-mix(in srgb, var(--danger) 14%, transparent); }
.badge.blue { color: var(--info); border-color: color-mix(in srgb, var(--info) 40%, transparent); background: color-mix(in srgb, var(--info) 14%, transparent); }
.status-pill { text-transform: capitalize; letter-spacing: .01em; }

.alert {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 10px 12px;
  background: var(--bg-elevated);
  color: var(--text);
  font-size: 13px;
}
.alert.success { border-color: color-mix(in srgb, var(--success) 50%, var(--border)); color: var(--success); background: color-mix(in srgb, var(--success) 10%, var(--bg-elevated)); }
.alert.error { border-color: color-mix(in srgb, var(--danger) 50%, var(--border)); color: var(--danger); background: color-mix(in srgb, var(--danger) 10%, var(--bg-elevated)); }

.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 10px; }
.field > label,
label { color: var(--text-muted); font-size: 12px; font-weight: 500; }
.label-inline { display: inline-flex; align-items: center; gap: 6px; }
.tooltip {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  border-radius: 999px;
  border: 1px solid color-mix(in srgb, var(--brand) 30%, var(--border-strong));
  background: color-mix(in srgb, var(--brand) 16%, var(--bg-elevated));
  color: color-mix(in srgb, var(--brand) 75%, var(--text));
  font-size: 10px;
  font-weight: 500;
  cursor: help;
  user-select: none;
}
.tooltip:hover { color: var(--brand-strong); border-color: var(--brand); background: color-mix(in srgb, var(--brand) 22%, var(--bg-elevated)); }

.ui-tooltip-layer {
  position: fixed;
  left: 0;
  top: 0;
  transform: translate(-9999px, -9999px);
  min-width: 250px;
  max-width: 380px;
  border-radius: 10px;
  padding: 12px 13px;
  background: color-mix(in srgb, var(--bg-soft) 92%, var(--bg-elevated));
  border: 1px solid color-mix(in srgb, var(--brand) 24%, var(--border-strong));
  box-shadow: 0 14px 28px rgba(0, 0, 0, 0.28);
  color: var(--text);
  line-height: 1.45;
  pointer-events: none;
  z-index: 2147483000;
}
.ui-tooltip-title {
  font-size: 12px;
  font-weight: 500;
  margin-bottom: 8px;
  color: var(--text);
  letter-spacing: 0.01em;
}
.ui-tooltip-line {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin-bottom: 7px;
}
.ui-tooltip-line:last-child { margin-bottom: 0; }
.ui-tooltip-icon {
  width: 16px;
  height: 16px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  line-height: 1;
  margin-top: 1px;
  flex: 0 0 16px;
}
.ui-tooltip-icon.info { background: color-mix(in srgb, var(--info) 18%, transparent); color: var(--info); border: 1px solid color-mix(in srgb, var(--info) 50%, transparent); }
.ui-tooltip-icon.good { background: color-mix(in srgb, var(--success) 18%, transparent); color: var(--success); border: 1px solid color-mix(in srgb, var(--success) 50%, transparent); }
.ui-tooltip-icon.bad { background: color-mix(in srgb, var(--danger) 18%, transparent); color: var(--danger); border: 1px solid color-mix(in srgb, var(--danger) 50%, transparent); }
.ui-tooltip-text { font-size: 12px; color: var(--text); }
.ui-tooltip-arrow {
  position: fixed;
  width: 0;
  height: 0;
  border-left: 7px solid transparent;
  border-right: 7px solid transparent;
  border-top: 8px solid color-mix(in srgb, var(--brand) 18%, var(--bg-soft));
  transform: translate(-9999px, -9999px);
  pointer-events: none;
  z-index: 2147483001;
}

input[type="text"],
input[type="url"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="date"],
textarea,
select {
  width: 100%;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  background: var(--bg-elevated);
  color: var(--text);
  padding: 9px 10px;
  font-size: 13px;
}
input[type="checkbox"] { accent-color: var(--brand); }
textarea { min-height: 84px; resize: vertical; }
input::placeholder, textarea::placeholder { color: color-mix(in srgb, var(--text-muted) 80%, transparent); }
input:focus,
textarea:focus,
select:focus {
  outline: 0;
  border-color: var(--brand);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--brand) 25%, transparent);
}

.btn,
.btn-primary,
.btn-ghost,
.btn.secondary,
.btn.primary {
  appearance: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  padding: 8px 12px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  line-height: 1.2;
  text-decoration: none;
  transition: all .15s ease;
}

.btn,
.btn-primary,
.btn.primary {
  background: linear-gradient(180deg, var(--brand-strong), var(--brand));
  color: #1a1a1a;
  border-color: #cda008;
}
.btn:hover,
.btn-primary:hover,
.btn.primary:hover { filter: brightness(1.03); text-decoration: none; }

.btn.secondary {
  background: var(--bg-elevated);
  border-color: var(--border-strong);
  color: var(--text);
}
.btn.secondary:hover { border-color: var(--brand); color: var(--brand); text-decoration: none; }

.btn.success { background: color-mix(in srgb, var(--success) 18%, var(--bg-elevated)); border-color: color-mix(in srgb, var(--success) 45%, var(--border)); color: var(--success); }
.btn.danger { background: color-mix(in srgb, var(--danger) 16%, var(--bg-elevated)); border-color: color-mix(in srgb, var(--danger) 45%, var(--border)); color: var(--danger); }
.btn.outline { background: transparent; border-color: var(--border-strong); color: var(--text); }
.btn.outline:hover { border-color: var(--brand); color: var(--brand); }

.btn-ghost {
  background: transparent;
  border-color: var(--border-strong);
  color: var(--text-muted);
}
.btn-ghost:hover { border-color: var(--brand); color: var(--brand); text-decoration: none; }

.btn.small,
.btn-ghost.small,
.btn-primary.small { padding: 6px 10px; font-size: 12px; }
.btn.full { width: 100%; }
.disabled { pointer-events: none; opacity: .45; }
.btn-row { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }

.muted { color: var(--text-muted); font-size: 12px; }
pre {
  white-space: pre-wrap;
  word-break: break-word;
  max-width: 100%;
  margin: 0;
  background: color-mix(in srgb, var(--bg-elevated) 88%, var(--bg-hover));
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 8px;
}
code {
  background: color-mix(in srgb, var(--bg-elevated) 88%, var(--bg-hover));
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1px 5px;
}

.auth-bg {
  min-height: 100vh;
  display: grid;
  place-items: center;
  background:
    radial-gradient(1200px 600px at 0% 0%, color-mix(in srgb, var(--brand) 10%, transparent), transparent),
    var(--bg);
}
.auth-shell { width: 100%; max-width: 420px; padding: 18px; }
.auth-card {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: 22px 20px;
}
.auth-header { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.auth-header h1 { margin: 0; font-size: 20px; color: var(--text); }
.auth-header p { margin: 2px 0 0; color: var(--text-muted); font-size: 12px; }
.auth-meta { margin-top: 10px; color: var(--text-muted); font-size: 12px; }

@media (max-width: 1024px) {
  .sidebar {
    position: fixed;
    left: -280px;
    transition: left .18s ease;
    box-shadow: var(--shadow);
  }
  body.is-sidebar-open .sidebar { left: 0; }
  .sidebar-overlay {
    opacity: 1;
    pointer-events: auto;
  }
  .sidebar-toggle { display: inline-flex; }
  .topbar { padding: 0 12px; }
}

.sidebar-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.42);
  opacity: 0;
  pointer-events: none;
  transition: opacity .18s ease;
  z-index: 24;
}

@media (max-width: 860px) {
  .grid.cols-2,
  .grid.cols-3,
  .grid-3 { grid-template-columns: 1fr; }
  .content { padding: 12px; }
  .card { padding: 12px; }
  .panel-grid-2 { grid-template-columns: 1fr; }
  .inline-form { display: grid; grid-template-columns: 1fr; }
}