:root,
[data-theme="light"] {
  --bg: #f2f4f7;
  --bg-sidebar: #1f2a37;
  --bg-panel: #ffffff;
  --bg-topbar: #ffffff;
  --border: #d8dee6;
  --text: #1f2a37;
  --text-muted: #6b7785;
  --text-sidebar: #c9d1d9;
  --text-sidebar-active: #ffffff;
  --accent: #0275b8;
  --accent-hover: #025e94;
  --ok: #2da44e;
  --warn: #d4a017;
  --danger: #cf222e;
  --shadow: 0 1px 2px rgba(31, 42, 55, 0.06);
  --font: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --sidebar-width: 220px;
}

[data-theme="dark"] {
  --bg: #0e1117;
  --bg-sidebar: #161b22;
  --bg-panel: #1c2128;
  --bg-topbar: #161b22;
  --border: #30363d;
  --text: #e6edf3;
  --text-muted: #8b949e;
  --text-sidebar: #8b949e;
  --text-sidebar-active: #e6edf3;
  --accent: #3daee9;
  --accent-hover: #58c4f5;
  --ok: #3fb950;
  --warn: #d29922;
  --danger: #f85149;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.35);
}

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

html,
body {
  margin: 0;
  padding: 0;
  height: 100%;
  font-family: var(--font);
  font-size: 13px;
  color: var(--text);
  background: var(--bg);
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.app-shell {
  display: grid;
  grid-template-columns: var(--sidebar-width) 1fr;
  min-height: 100vh;
}

.sidebar {
  background: var(--bg-sidebar);
  color: var(--text-sidebar);
  display: flex;
  flex-direction: column;
  border-right: 1px solid rgba(255, 255, 255, 0.04);
}

.sidebar-brand {
  padding: 16px 18px;
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.02em;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.sidebar-brand span {
  display: block;
  font-size: 11px;
  font-weight: 400;
  color: var(--text-sidebar);
  margin-top: 2px;
}

.sidebar nav {
  display: flex;
  flex-direction: column;
  padding: 10px 8px;
  gap: 2px;
}

.sidebar nav a {
  color: var(--text-sidebar);
  padding: 8px 12px;
  border-radius: 4px;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 8px;
}

.sidebar nav a:hover,
.sidebar nav a.active {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-sidebar-active);
  text-decoration: none;
}

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

.topbar {
  height: 48px;
  background: var(--bg-topbar);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 18px;
  box-shadow: var(--shadow);
}

.topbar-title {
  font-size: 15px;
  font-weight: 600;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.content {
  padding: 16px 18px 28px;
}

.panel {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 4px;
  box-shadow: var(--shadow);
  margin-bottom: 14px;
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  font-weight: 600;
}

.panel-body {
  padding: 12px 14px;
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

@media (max-width: 960px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    display: none;
  }

  .grid-2 {
    grid-template-columns: 1fr;
  }
}

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

table.data th,
table.data td {
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}

table.data th {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  background: transparent;
}

table.data tr:hover td {
  background: color-mix(in srgb, var(--accent) 6%, transparent);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid var(--border);
  background: var(--bg-panel);
  color: var(--text);
  padding: 6px 12px;
  border-radius: 3px;
  cursor: pointer;
  font: inherit;
}

.btn:hover {
  border-color: var(--accent);
}

.btn-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.btn-primary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
}

.btn-danger {
  background: var(--danger);
  border-color: var(--danger);
  color: #fff;
}

.btn-sm {
  padding: 3px 8px;
  font-size: 12px;
}

.form-grid {
  display: grid;
  gap: 10px;
  max-width: 640px;
}

.form-row {
  display: grid;
  gap: 4px;
}

.form-row label {
  font-weight: 600;
  color: var(--text-muted);
  font-size: 12px;
}

.form-row input,
.form-row select,
.form-row textarea {
  width: 100%;
  padding: 7px 9px;
  border: 1px solid var(--border);
  border-radius: 3px;
  background: var(--bg-panel);
  color: var(--text);
  font: inherit;
}

.form-row textarea {
  min-height: 90px;
  resize: vertical;
}

.form-actions {
  display: flex;
  gap: 8px;
  margin-top: 8px;
}

.chip {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: 3px;
  font-size: 12px;
  font-weight: 600;
  color: #fff;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 2px 8px;
  border-radius: 10px;
  font-size: 11px;
  font-weight: 600;
  background: color-mix(in srgb, var(--text-muted) 18%, transparent);
  color: var(--text-muted);
}

.badge.ok {
  background: color-mix(in srgb, var(--ok) 18%, transparent);
  color: var(--ok);
}

.badge.warn {
  background: color-mix(in srgb, var(--warn) 22%, transparent);
  color: var(--warn);
}

.badge.danger {
  background: color-mix(in srgb, var(--danger) 18%, transparent);
  color: var(--danger);
}

.dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: currentColor;
}

.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-bottom: 12px;
}

.toolbar input,
.toolbar select {
  padding: 6px 8px;
  border: 1px solid var(--border);
  border-radius: 3px;
  background: var(--bg-panel);
  color: var(--text);
  font: inherit;
}

.alert {
  padding: 10px 12px;
  border-radius: 3px;
  border: 1px solid var(--border);
  margin-bottom: 12px;
}

.alert.error {
  border-color: var(--danger);
  color: var(--danger);
  background: color-mix(in srgb, var(--danger) 10%, transparent);
}

.alert.ok {
  border-color: var(--ok);
  color: var(--ok);
  background: color-mix(in srgb, var(--ok) 10%, transparent);
}

.muted {
  color: var(--text-muted);
}

.empty {
  padding: 18px;
  text-align: center;
  color: var(--text-muted);
}

.login-wrap {
  min-height: 100vh;
  display: grid;
  place-items: center;
  background: var(--bg);
  padding: 20px;
}

.login-card {
  width: min(380px, 100%);
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 24px;
  box-shadow: var(--shadow);
}

.login-card h1 {
  margin: 0 0 4px;
  font-size: 18px;
}

.theme-toggle {
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text);
  border-radius: 3px;
  padding: 4px 8px;
  cursor: pointer;
  font: inherit;
}

.checkbox-list {
  display: grid;
  gap: 4px;
  max-height: 220px;
  overflow: auto;
  border: 1px solid var(--border);
  padding: 8px;
  border-radius: 3px;
}

.validation-message {
  color: var(--danger);
  font-size: 12px;
}