:root {
  --bg-primary: #0b0f19;
  --bg-secondary: #111827;
  --bg-card: #182234;
  --bg-card-hover: #1e2c42;
  --border-color: #26354a;
  --border-focus: #3b82f6;

  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  --accent-blue: #3b82f6;
  --accent-blue-hover: #2563eb;
  --accent-green: #10b981;
  --accent-green-bg: rgba(16, 185, 129, 0.15);
  --accent-red: #ef4444;
  --accent-red-bg: rgba(239, 68, 68, 0.15);
  --accent-yellow: #f59e0b;

  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.5;
  overflow-x: hidden;
}

.font-mono {
  font-family: var(--font-mono);
}

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

/* Sidebar */
.sidebar {
  width: 260px;
  background-color: var(--bg-secondary);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
  z-index: 20;
}

.brand {
  padding: 24px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid var(--border-color);
}

.brand-icon {
  font-size: 28px;
}

.brand-text h2 {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.brand-text .subtitle {
  font-size: 11px;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}

.nav-menu {
  padding: 20px 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-radius: 8px;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-family: inherit;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  text-align: left;
  transition: all 0.2s ease;
}

.nav-item:hover {
  background: var(--bg-card);
  color: var(--text-primary);
}

.nav-item.active {
  background: var(--accent-blue);
  color: #fff;
  font-weight: 600;
}

.nav-item .badge {
  margin-left: auto;
  background: var(--border-color);
  color: var(--text-primary);
  font-size: 11px;
  padding: 2px 7px;
  border-radius: 10px;
}

.nav-item.active .badge {
  background: rgba(255, 255, 255, 0.25);
  color: #fff;
}

.sidebar-footer {
  padding: 16px;
  border-top: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.status-indicator {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--text-secondary);
}

.pulse-dot {
  width: 8px;
  height: 8px;
  background-color: var(--accent-green);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--accent-green);
}

.mode-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--accent-yellow);
  background: rgba(245, 158, 11, 0.1);
  padding: 4px 8px;
  border-radius: 4px;
  text-align: center;
}

/* Main Content */
.main-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.top-bar {
  height: 64px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  padding: 0 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.breadcrumbs {
  font-weight: 600;
  font-size: 15px;
  color: var(--text-secondary);
}

.tab-panel {
  display: none;
  padding: 32px;
  max-width: 1300px;
}

.tab-panel.active {
  display: block;
}

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 24px;
}

.panel-header h1 {
  font-size: 26px;
  font-weight: 700;
  margin-bottom: 6px;
  letter-spacing: -0.02em;
}

.panel-header .description {
  color: var(--text-secondary);
  font-size: 14px;
}

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

/* Presets Bar */
.presets-bar {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 12px 16px;
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.preset-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
}

.preset-buttons {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.btn-chip {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  font-size: 12px;
  padding: 5px 12px;
  border-radius: 16px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.btn-chip:hover {
  border-color: var(--accent-blue);
  background: var(--bg-card-hover);
  color: var(--accent-blue);
}

/* Grids and Cards */
.sandbox-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 24px;
}

.config-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 24px;
}

.card h3 {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 18px;
  color: var(--text-primary);
}

/* Forms */
.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--text-secondary);
}

.form-group input,
.form-group textarea,
.form-control {
  width: 100%;
  padding: 10px 14px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  color: var(--text-primary);
  font-family: inherit;
  font-size: 14px;
  outline: none;
  transition: border-color 0.2s;
}

.form-group textarea {
  resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus,
.form-control:focus {
  border-color: var(--border-focus);
}

.field-hint {
  display: block;
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 5px;
}

.header-checkboxes,
.checkbox-stack {
  display: flex;
  flex-direction: column;
  gap: 8px;
  background: var(--bg-secondary);
  padding: 12px 14px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--text-primary);
  cursor: pointer;
}

.checkbox-label input {
  accent-color: var(--accent-blue);
  width: 16px;
  height: 16px;
}

.checkbox-label code {
  background: var(--bg-card);
  padding: 2px 5px;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 11px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  font-family: inherit;
  font-size: 14px;
  font-weight: 600;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
}

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

.btn-secondary {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
}
.btn-secondary:hover {
  background: var(--bg-card-hover);
}

.btn-danger {
  background: var(--accent-red-bg);
  border: 1px solid var(--accent-red);
  color: var(--accent-red);
}
.btn-danger:hover {
  background: var(--accent-red);
  color: white;
}

.btn-sm {
  padding: 6px 12px;
  font-size: 12px;
}

.btn-block {
  width: 100%;
}

/* Result Card */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-secondary);
}

.empty-icon {
  font-size: 40px;
  margin-bottom: 12px;
  opacity: 0.6;
}

.verdict-banner {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 20px;
  border-radius: 10px;
  margin-bottom: 16px;
}

.verdict-banner.allowed {
  background: var(--accent-green-bg);
  border: 1px solid var(--accent-green);
  color: var(--accent-green);
}

.verdict-banner.blocked {
  background: var(--accent-red-bg);
  border: 1px solid var(--accent-red);
  color: var(--accent-red);
}

.verdict-icon {
  font-size: 32px;
  font-weight: bold;
}

.verdict-banner h2 {
  font-size: 20px;
  margin: 0;
  line-height: 1.2;
}

.verdict-banner p {
  font-size: 13px;
  color: var(--text-secondary);
  margin: 0;
}

.action-tag-row {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.action-tag {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 12px;
  padding: 3px 8px;
  border-radius: 4px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
}

.reasons-box {
  background: rgba(239, 68, 68, 0.08);
  border: 1px solid rgba(239, 68, 68, 0.3);
  border-radius: 8px;
  padding: 14px 16px;
  margin-bottom: 20px;
}

.reasons-box h4 {
  font-size: 13px;
  color: var(--accent-red);
  margin-bottom: 8px;
}

.reasons-box ul {
  padding-left: 20px;
  color: #fca5a5;
  font-size: 13px;
  line-height: 1.5;
}

.details-section h4 {
  font-size: 13px;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 12px;
}

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

.info-item {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  padding: 10px 12px;
  border-radius: 8px;
  display: flex;
  flex-direction: column;
}

.info-item .label {
  font-size: 11px;
  color: var(--text-muted);
  margin-bottom: 2px;
}

.info-item .value {
  font-size: 13px;
  color: var(--text-primary);
  word-break: break-all;
}

/* Metrics Grid */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}

.metric-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
}

.metric-label {
  font-size: 12px;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.metric-value {
  font-size: 26px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.metric-card.success .metric-value {
  color: var(--accent-green);
}

.metric-card.danger .metric-value {
  color: var(--accent-red);
}

/* Table */
.table-card {
  padding: 0;
  overflow: hidden;
}

.table-responsive {
  overflow-x: auto;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 13px;
}

.data-table th {
  background: var(--bg-secondary);
  padding: 12px 16px;
  color: var(--text-secondary);
  font-weight: 600;
  border-bottom: 1px solid var(--border-color);
  white-space: nowrap;
}

.data-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-primary);
}

.data-table tr:hover td {
  background: var(--bg-card-hover);
}

.badge-verdict {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 700;
}

.badge-verdict.allowed {
  background: var(--accent-green-bg);
  color: var(--accent-green);
  border: 1px solid rgba(16, 185, 129, 0.4);
}

.badge-verdict.blocked {
  background: var(--accent-red-bg);
  color: var(--accent-red);
  border: 1px solid rgba(239, 68, 68, 0.4);
}

/* Toast */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  box-shadow: 0 10px 25px rgba(0,0,0,0.5);
  color: var(--text-primary);
  padding: 12px 20px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  z-index: 1000;
  transition: all 0.3s ease;
}

.hidden {
  display: none !important;
}

.text-center { text-align: center; }
.py-4 { padding-top: 2rem; padding-bottom: 2rem; }
.text-muted { color: var(--text-muted); }