:root {
  --radius: 20px;
  --radius-sm: 14px;
  --shadow: 0 18px 40px rgba(15, 23, 42, 0.08);
  --transition: 180ms ease;
}

body[data-theme="light"] {
  --bg: #f4f7fb;
  --bg-accent: radial-gradient(circle at top left, rgba(88, 130, 255, 0.18), transparent 32%), radial-gradient(circle at top right, rgba(14, 165, 164, 0.14), transparent 26%), #f4f7fb;
  --panel: rgba(255, 255, 255, 0.92);
  --panel-strong: #ffffff;
  --panel-soft: #eef4ff;
  --text: #162033;
  --muted: #62718d;
  --border: rgba(147, 163, 184, 0.24);
  --primary: #3b82f6;
  --primary-strong: #2563eb;
  --accent: #14b8a6;
  --success: #16a34a;
  --warning: #ea580c;
  --danger: #dc2626;
}

body[data-theme="dark"] {
  --bg: #081120;
  --bg-accent: radial-gradient(circle at top left, rgba(59, 130, 246, 0.18), transparent 30%), radial-gradient(circle at top right, rgba(20, 184, 166, 0.14), transparent 26%), #081120;
  --panel: rgba(12, 22, 39, 0.92);
  --panel-strong: #0f1b2d;
  --panel-soft: #12233d;
  --text: #eff6ff;
  --muted: #95a6c7;
  --border: rgba(148, 163, 184, 0.18);
  --primary: #60a5fa;
  --primary-strong: #3b82f6;
  --accent: #2dd4bf;
  --success: #4ade80;
  --warning: #fb923c;
  --danger: #f87171;
  --shadow: 0 18px 40px rgba(2, 6, 23, 0.45);
}

* { box-sizing: border-box; }

html, body { min-height: 100%; }

body {
  margin: 0;
  font-family: Inter, Arial, Helvetica, sans-serif;
  background: var(--bg-accent);
  color: var(--text);
  overflow-x: hidden;
}

a { color: var(--primary-strong); text-decoration: none; }
img { max-width: 100%; display: block; }
code, pre { font-family: Consolas, "SFMono-Regular", monospace; }

.layout {
  display: grid;
  grid-template-columns: 300px 1fr;
  min-height: 100vh;
}

.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  padding: 24px 20px;
  background: color-mix(in srgb, var(--panel) 80%, transparent);
  backdrop-filter: blur(18px);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.brand-card,
.card,
.table-wrap,
.form-card,
.auth-card,
.notice,
.widget-card,
.builder-preview,
.empty-state {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.brand-card {
  padding: 18px;
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 14px;
  align-items: center;
}

.brand-mark {
  width: 56px;
  height: 56px;
  border-radius: 18px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: grid;
  place-items: center;
  overflow: hidden;
}

.brand-logo { width: 100%; height: 100%; object-fit: cover; }
.brand-fallback { font-size: 1.25rem; font-weight: 800; color: white; }
.brand-title { font-size: 1.1rem; font-weight: 800; }
.brand-card small { color: var(--muted); line-height: 1.4; }

.nav { display: grid; gap: 8px; }
.nav-link,
.nav button {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 13px 14px;
  border-radius: 14px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--text);
  font-size: 0.97rem;
  transition: background var(--transition), border-color var(--transition), transform var(--transition);
}

.nav-link:hover,
.nav button:hover,
.btn:hover {
  transform: translateY(-1px);
}

.nav-link:hover,
.nav button:hover {
  background: var(--panel-soft);
  border-color: var(--border);
}

.sidebar-footer {
  margin-top: auto;
  display: grid;
  gap: 10px;
}

.stack-form { margin: 0; }

.wide { width: 100%; }

.content {
  padding: 30px;
}

.topbar {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 26px;
}

.topbar h1 { margin: 0 0 8px; font-size: 1.9rem; }
.topbar-actions { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }

.cards,
.widget-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 18px;
  margin-bottom: 24px;
}

.card,
.widget-card,
.table-wrap,
.form-card,
.notice,
.auth-card,
.builder-preview,
.empty-state {
  padding: 20px;
}

.card {
  position: relative;
  overflow: hidden;
}

.card::after,
.widget-card::after {
  content: "";
  position: absolute;
  inset: auto -35% -35% auto;
  width: 160px;
  height: 160px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(59,130,246,0.18), transparent 68%);
  pointer-events: none;
}

.stat {
  margin-top: 12px;
  font-size: 2.1rem;
  font-weight: 800;
  letter-spacing: -0.03em;
}

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

.tag,
.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--panel-soft);
  font-size: 0.82rem;
}

.pill.ok { color: var(--success); }
.pill.bad { color: var(--danger); }

table { width: 100%; border-collapse: collapse; }
th, td {
  padding: 13px 10px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}
th {
  color: var(--muted);
  font-size: 0.84rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

input, select, textarea, button {
  width: 100%;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--panel-strong);
  color: var(--text);
  padding: 12px 14px;
  font-size: 0.95rem;
}

textarea { min-height: 120px; resize: vertical; }
label { display: block; margin-bottom: 8px; font-weight: 700; }

.grid-2,
.grid-3 {
  display: grid;
  gap: 16px;
}

.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }

.actions {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
}

.actions form { margin: 0; }

.btn {
  width: auto;
  border-color: var(--primary);
  background: linear-gradient(135deg, var(--primary), var(--primary-strong));
  color: white;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), opacity var(--transition);
  box-shadow: 0 12px 28px rgba(37, 99, 235, 0.22);
}

.btn.secondary {
  background: var(--panel-strong);
  color: var(--text);
  box-shadow: none;
  border-color: var(--border);
}

.btn.danger {
  background: linear-gradient(135deg, #ef4444, #dc2626);
  border-color: #dc2626;
}

.alert {
  padding: 13px 15px;
  border-radius: 14px;
  margin-bottom: 16px;
}

.alert.error {
  color: var(--danger);
  background: color-mix(in srgb, var(--danger) 10%, transparent);
  border: 1px solid color-mix(in srgb, var(--danger) 35%, transparent);
}

.alert.success {
  color: var(--success);
  background: color-mix(in srgb, var(--success) 10%, transparent);
  border: 1px solid color-mix(in srgb, var(--success) 35%, transparent);
}

.notice {
  margin-bottom: 20px;
  line-height: 1.65;
}

.dashboard-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  margin-bottom: 18px;
}

.dashboard-last-update {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 20;
  background: var(--panel);
  border: 1px solid var(--border);
  color: var(--muted);
  padding: 10px 14px;
  border-radius: 14px;
  box-shadow: var(--shadow);
}

.widget-card {
  position: relative;
  min-height: 190px;
  display: grid;
  gap: 12px;
}

.widget-header {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: flex-start;
}

.widget-title { font-size: 1.02rem; font-weight: 800; }
.widget-subtitle { color: var(--muted); font-size: 0.88rem; }
.widget-value {
  font-size: 2.3rem;
  font-weight: 800;
  letter-spacing: -0.04em;
}

.status-indicator {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 1rem;
  font-weight: 700;
}

.status-dot {
  width: 14px;
  height: 14px;
  border-radius: 999px;
  box-shadow: 0 0 0 6px rgba(34, 197, 94, 0.12);
  background: var(--success);
  animation: pulse 2.1s infinite;
}

.status-dot.off {
  background: var(--danger);
  box-shadow: 0 0 0 6px rgba(248, 113, 113, 0.1);
}

.mini-chart {
  width: 100%;
  height: 84px;
}

.builder-layout {
  display: grid;
  grid-template-columns: minmax(320px, 440px) 1fr;
  gap: 20px;
}

.builder-preview {
  min-height: 220px;
}

.builder-preview-empty {
  min-height: 180px;
  display: grid;
  place-items: center;
  color: var(--muted);
  border: 1px dashed var(--border);
  border-radius: 16px;
}

.widget-list {
  display: grid;
  gap: 14px;
}

.widget-admin-card {
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--panel-soft);
}

.widget-admin-card[draggable="true"] {
  cursor: grab;
}

.widget-admin-card.dragging {
  opacity: 0.55;
  transform: scale(0.985);
}

.widget-admin-card.drag-over {
  outline: 2px dashed var(--primary);
  outline-offset: 4px;
}

.drag-handle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: 10px;
  background: var(--panel-strong);
  border: 1px solid var(--border);
  margin-right: 8px;
  color: var(--muted);
}

.widget-admin-card h3 { margin: 0 0 8px; }

.payload {
  white-space: pre-wrap;
  word-break: break-word;
  margin: 0;
  font-size: 0.86rem;
}

.auth-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 22px;
}

.auth-card {
  width: 100%;
  max-width: 460px;
  position: relative;
}

.auth-brand {
  display: flex;
  gap: 12px;
  align-items: center;
  margin-bottom: 18px;
}

.auth-brand-logo {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: grid;
  place-items: center;
  overflow: hidden;
}

.error { color: var(--danger); font-weight: 700; }
.ok { color: var(--success); }
.bad { color: var(--danger); }

body.fullscreen-dashboard .sidebar,
body.fullscreen-dashboard .topbar,
body.fullscreen-dashboard .notice,
body.fullscreen-dashboard .dashboard-toolbar .muted {
  display: none;
}

body.fullscreen-dashboard .layout {
  grid-template-columns: 1fr;
}

body.fullscreen-dashboard .content {
  padding: 20px;
}

body.fullscreen-dashboard .dashboard-toolbar {
  position: fixed;
  top: 14px;
  right: 14px;
  z-index: 30;
}

@keyframes pulse {
  0% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.08); opacity: 0.82; }
  100% { transform: scale(1); opacity: 1; }
}

@media (max-width: 1180px) {
  .layout,
  .builder-layout { grid-template-columns: 1fr; }
  .sidebar {
    position: relative;
    height: auto;
  }
}

@media (max-width: 860px) {
  .content { padding: 20px; }
  .topbar,
  .dashboard-toolbar { flex-direction: column; align-items: stretch; }
  .grid-2,
  .grid-3 { grid-template-columns: 1fr; }
}