/**
 * SWAL Micro-shadcn Design System (Ultra-lightweight, < 15KB)
 * Theme: Caoba Frost & Dark Minimalist
 * Zero Dependencies • 100% Native CSS Variables & BEM-like classes
 */

:root {
  --sw-bg: #090504;
  --sw-surface: #120A07;
  --sw-surface-card: #180E09;
  --sw-surface-hover: #24140D;
  --sw-border: rgba(200, 96, 42, 0.22);
  --sw-border-subtle: rgba(255, 255, 255, 0.08);
  --sw-accent: #C8602A;
  --sw-accent-glow: rgba(200, 96, 42, 0.35);
  --sw-text-main: #F5ECD7;
  --sw-text-muted: #9E8975;
  --sw-text-sub: #C4A882;
  --sw-green: #4ECCA3;
  --sw-green-bg: rgba(78, 204, 163, 0.12);
  --sw-amber: #FFE66D;
  --sw-amber-bg: rgba(255, 230, 109, 0.12);
  --sw-red: #FF5252;
  --sw-red-bg: rgba(255, 82, 82, 0.14);
  --sw-blue: #70A9FF;
  --sw-blue-bg: rgba(112, 169, 255, 0.12);
  --sw-radius-sm: 6px;
  --sw-radius-md: 10px;
  --sw-radius-lg: 14px;
  --sw-shadow: 0 4px 20px rgba(0, 0, 0, 0.45);
}

/* Base resets & typography */
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  background-color: var(--sw-bg);
  color: var(--sw-text-main);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* Layout container */
.sw-container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 16px;
}

/* Minimal Header */
.sw-navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  background: var(--sw-surface);
  border: 1px solid var(--sw-border-subtle);
  border-radius: var(--sw-radius-lg);
  margin-bottom: 20px;
  backdrop-filter: blur(12px);
  position: sticky;
  top: 12px;
  z-index: 100;
  gap: 12px;
  flex-wrap: wrap;
}

.sw-nav-left {
  display: flex;
  align-items: center;
  gap: 14px;
}
.sw-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 16px;
  letter-spacing: -0.3px;
  color: var(--sw-text-main);
}
.sw-brand-badge {
  background: var(--sw-accent);
  color: #FFF;
  font-size: 11px;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: var(--sw-radius-sm);
  letter-spacing: 0.5px;
}

/* Navigation Tabs */
.sw-nav-tabs {
  display: flex;
  background: var(--sw-bg);
  padding: 3px;
  border-radius: var(--sw-radius-md);
  border: 1px solid var(--sw-border-subtle);
  gap: 2px;
  flex-wrap: wrap;
}
.sw-nav-tab {
  background: transparent;
  border: none;
  color: var(--sw-text-muted);
  padding: 6px 14px;
  border-radius: var(--sw-radius-sm);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
  display: flex;
  align-items: center;
  gap: 6px;
}
.sw-nav-tab:hover {
  color: var(--sw-text-main);
  background: rgba(255, 255, 255, 0.04);
}
.sw-nav-tab.active {
  background: var(--sw-surface-hover);
  color: var(--sw-text-main);
  box-shadow: 0 1px 4px rgba(0,0,0,0.3);
}

.sw-nav-right {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* Buttons */
.sw-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 600;
  border-radius: var(--sw-radius-sm);
  padding: 7px 14px;
  cursor: pointer;
  transition: all 0.15s ease;
  border: 1px solid transparent;
  text-decoration: none;
  white-space: nowrap;
}
.sw-btn:hover { opacity: 0.92; transform: translateY(-1px); }
.sw-btn:active { transform: translateY(0); }

.sw-btn-primary {
  background: var(--sw-accent);
  color: #FFF;
  box-shadow: 0 2px 10px var(--sw-accent-glow);
}
.sw-btn-secondary {
  background: var(--sw-surface-hover);
  color: var(--sw-text-main);
  border-color: var(--sw-border-subtle);
}
.sw-btn-outline {
  background: transparent;
  color: var(--sw-text-sub);
  border-color: var(--sw-border);
}
.sw-btn-outline:hover {
  background: var(--sw-surface-hover);
  color: var(--sw-text-main);
}
.sw-btn-ghost {
  background: transparent;
  color: var(--sw-text-muted);
}
.sw-btn-ghost:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--sw-text-main);
}
.sw-btn-sm {
  padding: 4px 10px;
  font-size: 11px;
}

/* Badges */
.sw-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 10px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 20px;
  border: 1px solid transparent;
  text-transform: uppercase;
  letter-spacing: 0.4px;
}
.sw-badge-default { background: rgba(255,255,255,0.06); color: var(--sw-text-sub); border-color: var(--sw-border-subtle); }
.sw-badge-success { background: var(--sw-green-bg); color: var(--sw-green); border-color: rgba(78, 204, 163, 0.3); }
.sw-badge-warning { background: var(--sw-amber-bg); color: var(--sw-amber); border-color: rgba(255, 230, 109, 0.3); }
.sw-badge-destructive { background: var(--sw-red-bg); color: var(--sw-red); border-color: rgba(255, 82, 82, 0.3); }
.sw-badge-info { background: var(--sw-blue-bg); color: var(--sw-blue); border-color: rgba(112, 169, 255, 0.3); }

/* Cards (Clean & Minimal) */
.sw-card {
  background: var(--sw-surface);
  border: 1px solid var(--sw-border-subtle);
  border-radius: var(--sw-radius-md);
  padding: 16px;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.sw-card:hover {
  border-color: var(--sw-border);
}
.sw-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}
.sw-card-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--sw-text-main);
  display: flex;
  align-items: center;
  gap: 8px;
}
.sw-card-desc {
  font-size: 11px;
  color: var(--sw-text-muted);
  margin-top: 2px;
}

/* Metric Display */
.sw-metric-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
  margin-bottom: 20px;
}
.sw-metric {
  background: var(--sw-surface);
  border: 1px solid var(--sw-border-subtle);
  border-radius: var(--sw-radius-md);
  padding: 14px 16px;
  position: relative;
  overflow: hidden;
}
.sw-metric-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--sw-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.sw-metric-val {
  font-size: 26px;
  font-weight: 800;
  color: var(--sw-text-main);
  margin: 4px 0 2px 0;
  letter-spacing: -0.5px;
}
.sw-metric-sub {
  font-size: 11px;
  color: var(--sw-green);
  font-weight: 600;
}

/* Horizontal Nodes Bar (Compact & Clean) */
.sw-nodes-strip {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 4px;
  margin-bottom: 20px;
}
.sw-node-chip {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--sw-surface);
  border: 1px solid var(--sw-border-subtle);
  border-radius: var(--sw-radius-md);
  padding: 8px 12px;
  min-width: 170px;
  cursor: pointer;
  transition: all 0.15s ease;
  user-select: none;
}
.sw-node-chip:hover {
  border-color: var(--sw-accent);
  background: var(--sw-surface-hover);
  transform: translateY(-1px);
}
.sw-node-chip.active {
  border-color: var(--sw-green);
}
.sw-node-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--sw-green);
  box-shadow: 0 0 6px var(--sw-green);
}

/* Progressive Disclosure Sheet (Slide-over panel) */
.sw-sheet-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(4px);
  z-index: 500;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}
.sw-sheet-backdrop.open {
  opacity: 1;
  pointer-events: auto;
}
.sw-sheet-panel {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 480px;
  max-width: 95vw;
  background: var(--sw-surface);
  border-left: 1px solid var(--sw-border);
  box-shadow: var(--sw-shadow);
  z-index: 501;
  transform: translateX(100%);
  transition: transform 0.28s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
}
.sw-sheet-backdrop.open .sw-sheet-panel {
  transform: translateX(0);
}
.sw-sheet-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--sw-border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.sw-sheet-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--sw-text-main);
}
.sw-sheet-body {
  padding: 20px;
  overflow-y: auto;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.sw-sheet-footer {
  padding: 14px 20px;
  border-top: 1px solid var(--sw-border-subtle);
  background: var(--sw-bg);
  display: flex;
  gap: 10px;
}

/* AUI Renderer Container */
.sw-aui-frame {
  background: var(--sw-surface-card);
  border: 1px solid var(--sw-border);
  border-radius: var(--sw-radius-md);
  padding: 16px;
  margin-top: 10px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.sw-aui-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--sw-border-subtle);
  padding-bottom: 8px;
}

/* Clean Tables */
.sw-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
}
.sw-table th {
  text-align: left;
  padding: 8px 12px;
  color: var(--sw-text-muted);
  font-size: 11px;
  font-weight: 600;
  border-bottom: 1px solid var(--sw-border-subtle);
  text-transform: uppercase;
}
.sw-table td {
  padding: 10px 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}
.sw-table tr:hover td {
  background: rgba(255, 255, 255, 0.02);
}

/* Form Controls */
.sw-input, .sw-select, .sw-textarea {
  background: var(--sw-bg);
  border: 1px solid var(--sw-border-subtle);
  border-radius: var(--sw-radius-sm);
  color: var(--sw-text-main);
  padding: 8px 12px;
  font-size: 12px;
  outline: none;
  width: 100%;
  transition: border-color 0.15s;
}
.sw-input:focus, .sw-select:focus, .sw-textarea:focus {
  border-color: var(--sw-accent);
}