:root {
  --bg: #f4f5f7;
  --bg-elevated: #ffffff;
  --bg-sidebar: #171a21;
  --text: #1c1f26;
  --text-dim: #6b7280;
  --text-sidebar: #cbd2e0;
  --border: #e2e4e9;
  --accent: #ff6700;
  --accent-hover: #e65a00;
  --accent-soft: rgba(255, 103, 0, 0.10);
  --accent-contrast: #1a0f08;
  --success: #1f9d55;
  --success-soft: rgba(31, 157, 85, 0.12);
  --error: #d64545;
  --error-soft: rgba(214, 69, 69, 0.12);
  --warning: #b8860b;
  --warning-soft: rgba(184, 134, 11, 0.12);
  --radius: 12px;
  --radius-sm: 8px;
  --shadow-sm: 0 1px 2px rgba(20, 22, 30, 0.05), 0 1px 1px rgba(20, 22, 30, 0.04);
  --shadow-md: 0 6px 20px rgba(20, 22, 30, 0.08), 0 1px 2px rgba(20, 22, 30, 0.04);
  --shadow-glow: 0 0 0 3px var(--accent-soft);
  --ease: cubic-bezier(0.2, 0.7, 0.3, 1);
  --mono: "JetBrains Mono", "Fira Code", ui-monospace, SFMono-Regular, Consolas, monospace;
  --sans: "Inter", -apple-system, "Segoe UI", Roboto, sans-serif;
}

:root[data-theme="dark"] {
  --bg: #101218;
  --bg-elevated: #181b24;
  --bg-sidebar: #0b0d12;
  --text: #e8eaf0;
  --text-dim: #8b93a7;
  --text-sidebar: #a9b1c6;
  --border: #262a36;
  --accent: #ff7a1a;
  --accent-hover: #ff9a4d;
  --accent-soft: rgba(255, 122, 26, 0.14);
  --accent-contrast: #1a0f08;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.45), 0 2px 6px rgba(0, 0, 0, 0.3);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #101218;
    --bg-elevated: #181b24;
    --bg-sidebar: #0b0d12;
    --text: #e8eaf0;
    --text-dim: #8b93a7;
    --text-sidebar: #a9b1c6;
    --border: #262a36;
    --accent: #ff7a1a;
    --accent-hover: #ff9a4d;
    --accent-soft: rgba(255, 122, 26, 0.14);
    --accent-contrast: #1a0f08;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.45), 0 2px 6px rgba(0, 0, 0, 0.3);
  }
}

* { box-sizing: border-box; }

::selection { background: var(--accent-soft); }

* {
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}
*::-webkit-scrollbar { width: 10px; height: 10px; }
*::-webkit-scrollbar-track { background: transparent; }
*::-webkit-scrollbar-thumb { background: var(--border); border-radius: 8px; border: 2px solid transparent; }
*::-webkit-scrollbar-thumb:hover { background: var(--text-dim); }

body {
  margin: 0;
  font-family: var(--sans);
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; transition: color .12s var(--ease); }
a:hover { color: var(--accent-hover); text-decoration: underline; }

:focus-visible {
  outline: none;
  box-shadow: var(--shadow-glow);
  border-radius: var(--radius-sm);
}

h1, h2, h3 { letter-spacing: -0.01em; }

.layout { display: flex; min-height: 100vh; }

.sidebar {
  width: 250px;
  flex-shrink: 0;
  background: var(--bg-sidebar);
  color: var(--text-sidebar);
  padding: 22px 14px;
  overflow-y: auto;
  border-right: 1px solid rgba(255,255,255,0.04);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.sidebar-footer {
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid rgba(255,255,255,0.06);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.sidebar-username {
  font-size: 12.5px;
  color: var(--text-sidebar);
  font-weight: 600;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.logout-btn {
  background: none; border: 1px solid rgba(255,255,255,0.12); border-radius: var(--radius-sm);
  color: var(--text-sidebar); font-size: 12px; padding: 6px 10px; cursor: pointer;
  font-family: inherit; transition: border-color .12s var(--ease), color .12s var(--ease), background .12s var(--ease);
  flex-shrink: 0;
}
.logout-btn:hover { border-color: var(--error); color: var(--error); background: rgba(214,69,69,0.1); }

.sidebar .brand {
  font-weight: 700;
  font-size: 16px;
  color: #fff;
  margin-bottom: 26px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 6px;
  letter-spacing: -0.01em;
}

.sidebar .brand img {
  height: 32px; width: auto;
  filter: drop-shadow(0 2px 6px rgba(255, 103, 0, 0.35));
}

.sidebar .brand .dot {
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 14px var(--accent), 0 0 3px var(--accent);
}

.sidebar nav a {
  display: block;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  color: var(--text-sidebar);
  margin-bottom: 2px;
  font-size: 13px;
  transition: background .12s var(--ease), color .12s var(--ease), transform .12s var(--ease);
}

.sidebar nav a:hover {
  background: rgba(255,255,255,0.07);
  color: #fff;
  text-decoration: none;
}

.sidebar nav a.active {
  background: var(--accent);
  color: var(--accent-contrast);
  font-weight: 600;
}

.sidebar .section-label {
  text-transform: uppercase;
  font-size: 11px;
  letter-spacing: 0.07em;
  color: var(--text-dim);
  margin: 20px 10px 8px;
  font-weight: 600;
}

.sidebar .db-group { margin-bottom: 4px; }
.sidebar .db-group .db-link { font-weight: 600; }
.sidebar .table-link { padding-left: 22px !important; font-size: 12.5px; }
.sidebar .sys-badge {
  font-size: 9px; padding: 1px 5px; border-radius: 5px;
  background: rgba(255,255,255,0.1); margin-left: 6px; color: var(--text-dim);
}

.main { flex: 1; padding: 28px 36px; max-width: 100%; overflow-x: auto; }

.topbar {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 22px; gap: 12px; flex-wrap: wrap;
}

.topbar h1 { font-size: 21px; margin: 0; }
.topbar > div { display: flex; gap: 8px; flex-wrap: wrap; }
.breadcrumb { color: var(--text-dim); font-size: 12.5px; margin-bottom: 6px; }
.breadcrumb a { color: var(--text-dim); }
.breadcrumb a:hover { color: var(--accent); }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--text);
  cursor: pointer;
  font-size: 13px;
  font-family: inherit;
  box-shadow: var(--shadow-sm);
  transition: border-color .12s var(--ease), background .12s var(--ease), transform .08s var(--ease), box-shadow .12s var(--ease);
}

.btn:hover { border-color: var(--accent); background: var(--accent-soft); }
.btn:active { transform: translateY(1px); }

.btn-primary {
  background: var(--accent);
  color: var(--accent-contrast);
  border-color: var(--accent);
  font-weight: 600;
  box-shadow: 0 2px 10px rgba(91, 108, 255, 0.3);
}
.btn-primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); }

.btn-danger { color: var(--error); border-color: var(--error); }
.btn-danger:hover { background: var(--error-soft); border-color: var(--error); }
.btn-sm { padding: 5px 10px; font-size: 12px; }

.card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow .15s var(--ease), border-color .15s var(--ease), transform .15s var(--ease);
}

.grid-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 14px;
  margin-top: 10px;
}

.db-card { display: block; }
.db-card:hover { box-shadow: var(--shadow-md); border-color: var(--accent); transform: translateY(-2px); }
.db-card .name { font-weight: 700; font-size: 15px; margin-bottom: 6px; }
.db-card .meta { color: var(--text-dim); font-size: 12.5px; }

table.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

table.data-table th, table.data-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  max-width: 320px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

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

table.data-table th {
  background: var(--bg);
  font-weight: 600;
  color: var(--text-dim);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

table.data-table th a { color: inherit; }
table.data-table tbody tr { transition: background .1s var(--ease); }
table.data-table tbody tr:hover td { background: var(--accent-soft); }
table.data-table td input {
  width: 100%; border: 1px solid transparent; background: transparent;
  color: var(--text); font-family: var(--mono); font-size: 12.5px; padding: 3px 6px; border-radius: 6px;
  transition: border-color .12s var(--ease), background .12s var(--ease);
}
table.data-table td input:hover { border-color: var(--border); }
table.data-table td input:focus { border-color: var(--accent); background: var(--bg-elevated); outline: none; }

.pagination { display: flex; gap: 6px; margin-top: 16px; align-items: center; }
.pagination .current { font-weight: 700; color: var(--text-dim); font-size: 12.5px; }

.toolbar { display: flex; gap: 8px; margin-bottom: 16px; align-items: center; flex-wrap: wrap; }
.toolbar input[type="text"], .toolbar select {
  padding: 8px 12px; border-radius: var(--radius-sm); border: 1px solid var(--border);
  background: var(--bg-elevated); color: var(--text); font-family: inherit; font-size: 13px;
  transition: border-color .12s var(--ease), box-shadow .12s var(--ease);
}
.toolbar input[type="text"]:focus, .toolbar select:focus { border-color: var(--accent); box-shadow: var(--shadow-glow); outline: none; }

.form-grid { display: grid; grid-template-columns: 160px 1fr; gap: 12px 14px; align-items: center; max-width: 640px; }
.form-grid label { color: var(--text-dim); font-size: 13px; font-weight: 500; }
.form-grid input[type="text"], .form-grid input[type="number"], .form-grid input[type="password"],
.form-grid input[type="email"], .form-grid select, .form-grid textarea {
  padding: 8px 12px; border-radius: var(--radius-sm); border: 1px solid var(--border);
  background: var(--bg-elevated); color: var(--text); font-family: inherit; font-size: 13px; width: 100%;
  transition: border-color .12s var(--ease), box-shadow .12s var(--ease);
}
.form-grid input:focus, .form-grid select:focus, .form-grid textarea:focus {
  border-color: var(--accent); box-shadow: var(--shadow-glow); outline: none;
}

.flash {
  padding: 11px 16px; border-radius: var(--radius-sm); margin-bottom: 16px; font-size: 13px;
  border-left: 3px solid; box-shadow: var(--shadow-sm);
  animation: flash-in .2s var(--ease);
}
@keyframes flash-in { from { opacity: 0; transform: translateY(-4px); } to { opacity: 1; transform: translateY(0); } }
.flash-success { background: var(--success-soft); color: var(--success); border-left-color: var(--success); }
.flash-error { background: var(--error-soft); color: var(--error); border-left-color: var(--error); }

.sql-editor-wrap { position: relative; }
.sql-editor {
  width: 100%; min-height: 160px; font-family: var(--mono); font-size: 13.5px;
  padding: 14px; border-radius: var(--radius); border: 1px solid var(--border);
  background: var(--bg-elevated); color: var(--text); resize: vertical; line-height: 1.55;
  box-shadow: var(--shadow-sm); transition: border-color .12s var(--ease), box-shadow .12s var(--ease);
}
.sql-editor:focus { outline: none; border-color: var(--accent); box-shadow: var(--shadow-glow); }

.badge {
  font-size: 11px; padding: 2px 9px; border-radius: 999px;
  background: var(--accent-soft); color: var(--accent); border: none; font-weight: 600;
}
.badge-system { color: var(--warning); background: var(--warning-soft); }
.badge-danger { color: var(--error); background: var(--error-soft); }

.theme-toggle {
  background: var(--bg-elevated); border: 1px solid var(--border); border-radius: 20px;
  width: 34px; height: 34px; cursor: pointer; color: var(--text); font-size: 15px;
  box-shadow: var(--shadow-sm); transition: border-color .12s var(--ease), transform .12s var(--ease);
}
.theme-toggle:hover { border-color: var(--accent); transform: rotate(20deg); }

.lang-select {
  padding: 7px 10px; border-radius: 20px; border: 1px solid var(--border);
  background: var(--bg-elevated); color: var(--text); font-family: inherit; font-size: 12.5px;
  cursor: pointer; box-shadow: var(--shadow-sm); transition: border-color .12s var(--ease);
}
.lang-select:hover { border-color: var(--accent); }

.login-wrap {
  display: flex; align-items: center; justify-content: center; min-height: 100vh;
  background: radial-gradient(circle at 50% 0%, var(--accent-soft), transparent 60%);
}
.login-card { width: 360px; box-shadow: var(--shadow-md); text-align: center; }
.login-logo {
  height: 76px; width: auto; margin: 4px auto 16px;
  display: block; filter: drop-shadow(0 4px 14px rgba(255, 103, 0, 0.35));
}
.login-card h1 { font-size: 19px; margin-bottom: 4px; }
.login-card p.sub { text-align: center; }
.login-card form { text-align: left; }
.login-card p.sub { color: var(--text-dim); font-size: 13px; margin-bottom: 20px; }
.login-card input {
  width: 100%; padding: 10px 13px; margin-bottom: 10px; border-radius: var(--radius-sm); border: 1px solid var(--border);
  background: var(--bg); color: var(--text); font-family: inherit; transition: border-color .12s var(--ease), box-shadow .12s var(--ease);
}
.login-card input:focus { border-color: var(--accent); box-shadow: var(--shadow-glow); outline: none; }
.login-card button { width: 100%; margin-top: 6px; justify-content: center; }

.perm-list { display: flex; flex-direction: column; gap: 10px; margin-bottom: 18px; }
.perm-row {
  display: flex; align-items: center; gap: 12px;
  padding: 14px 16px; border-radius: var(--radius); border: 1px solid var(--border);
  background: var(--bg); font-size: 15px; cursor: pointer;
  transition: border-color .12s var(--ease), background .12s var(--ease);
}
.perm-row:hover { border-color: var(--accent); }
.perm-row:has(input:checked) { border-color: var(--accent); background: var(--accent-soft); }
.perm-row input[type="checkbox"] { width: 20px; height: 20px; flex-shrink: 0; accent-color: var(--accent); cursor: pointer; }

.action-list {
  display: flex; flex-direction: column;
  border: 1px solid var(--border); border-radius: var(--radius);
  overflow: hidden; box-shadow: var(--shadow-sm); max-width: 320px;
  background: var(--bg-elevated);
}
.action-list form { margin: 0; }
.action-list .action-btn {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  width: 100%; padding: 12px 16px; background: var(--bg-elevated); border: none;
  border-bottom: 1px solid var(--border); color: var(--text); font-size: 13px; font-family: inherit;
  cursor: pointer; text-align: left; transition: background .12s var(--ease), padding-left .12s var(--ease);
}
.action-list .action-btn:last-child { border-bottom: none; }
.action-list .action-btn:hover { background: var(--accent-soft); padding-left: 20px; }
.action-list .action-btn::after { content: "›"; color: var(--text-dim); font-size: 16px; line-height: 1; }
.action-list .action-btn.danger { color: var(--error); }
.action-list .action-btn.danger:hover { background: var(--error-soft); }
.action-list .action-btn.danger::after { color: var(--error); }

.inline-subform {
  display: none; gap: 8px; margin-top: 10px; padding: 12px; max-width: 320px;
  background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius-sm);
}
.inline-subform input {
  flex: 1; padding: 8px 12px; border-radius: var(--radius-sm); border: 1px solid var(--border);
  background: var(--bg-elevated); color: var(--text); font-family: inherit; font-size: 13px;
  transition: border-color .12s var(--ease), box-shadow .12s var(--ease);
}
.inline-subform input:focus { border-color: var(--accent); box-shadow: var(--shadow-glow); outline: none; }

.stat-tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 14px; margin-bottom: 24px; }
.stat-tile { padding: 16px 18px; }
.stat-tile .value { font-size: 26px; font-weight: 700; letter-spacing: -0.02em; }
.stat-tile .label { color: var(--text-dim); font-size: 12px; margin-top: 2px; }

.bar-chart { display: flex; align-items: flex-end; gap: 10px; height: 140px; padding: 10px 4px; }
.bar-chart .bar-col { flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: flex-end; height: 100%; gap: 6px; }
.bar-chart .bar { width: 100%; max-width: 36px; background: var(--accent); border-radius: 6px 6px 0 0; min-height: 3px; transition: height .3s var(--ease); }
.bar-chart .bar-value { font-size: 11px; color: var(--text-dim); }
.bar-chart .bar-label { font-size: 11px; color: var(--text-dim); }
.bar-chart.hourly { gap: 2px; height: 90px; }
.bar-chart.hourly .bar-col { gap: 3px; }
.bar-chart.hourly .bar { border-radius: 3px 3px 0 0; }
.bar-chart.hourly .bar-label { font-size: 9px; }

.divider { border: none; border-top: 1px solid var(--border); margin: 22px 0; }

.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
@media (max-width: 720px) { .two-col { grid-template-columns: 1fr; } }

.new-user-card { padding: 24px; }
.new-user-header { display: flex; align-items: center; gap: 12px; margin-bottom: 20px; }
.new-user-icon {
  width: 38px; height: 38px; border-radius: var(--radius-sm); background: var(--accent-soft);
  color: var(--accent); display: flex; align-items: center; justify-content: center;
  font-size: 19px; font-weight: 700; flex-shrink: 0;
}

details > summary { list-style: none; }
details > summary::-webkit-details-marker { display: none; }
details > summary::before {
  content: "▸"; display: inline-block; margin-right: 8px; color: var(--text-dim);
  transition: transform .15s var(--ease); font-size: 11px;
}
details[open] > summary::before { transform: rotate(90deg); }

.empty-state { color: var(--text-dim); padding: 36px; text-align: center; font-size: 13px; }
.muted { color: var(--text-dim); }
code.inline { font-family: var(--mono); background: var(--bg); padding: 2px 6px; border-radius: 5px; font-size: 12px; }
pre.sql-preview {
  background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius-sm);
  padding: 14px; font-family: var(--mono); font-size: 13px; overflow-x: auto; box-shadow: var(--shadow-sm);
}

.legal-footer {
  display: flex; gap: 18px; justify-content: center; margin-top: 32px;
  padding-top: 16px; border-top: 1px solid var(--border); font-size: 12.5px;
}
.legal-footer a { color: var(--text-dim); }
.legal-footer a:hover { color: var(--accent); }
.legal-footer-guest { max-width: 340px; margin: 24px auto 16px; }
.legal-page { max-width: 760px; line-height: 1.6; }
.legal-page h2 { margin-top: 28px; font-size: 16px; }
.legal-page .placeholder {
  background: var(--accent-soft); border: 1px dashed var(--accent);
  border-radius: var(--radius-sm); padding: 1px 6px; font-family: monospace;
}