/* ═══════════════════════════════════════════════════════════════
   Stack8 Shared Design System
   Canonical design tokens + reusable components for all pages.
   Linked by all standalone HTML pages via <link rel="stylesheet" href="/shared.css">
   ═══════════════════════════════════════════════════════════════ */

@import url("https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=JetBrains+Mono:wght@300;400;500;600;700&family=Bebas+Neue&display=swap");

/* ── Design Tokens (Dark) ─────────────────────────────────── */
:root {
  /* Background tiers */
  --bg: #12141a;
  --bg-accent: #14161d;
  --bg-elevated: #1a1d25;
  --bg-hover: #262a35;
  --bg-muted: #262a35;

  /* Page-convention aliases (backward compat with inline styles) */
  --bg-primary: #0A0A0A;
  --bg-secondary: #111113;
  --bg-glass: #1A1A1A;

  /* Card / Surface */
  --card: #181b22;
  --card-foreground: #f4f4f5;
  --card-highlight: rgba(255, 255, 255, 0.05);
  --popover: #181b22;
  --popover-foreground: #f4f4f5;

  /* Panel */
  --panel: #12141a;
  --panel-strong: #1a1d25;
  --panel-hover: #262a35;
  --chrome: rgba(18, 20, 26, 0.95);
  --chrome-strong: rgba(18, 20, 26, 0.98);

  /* Text */
  --text: #e4e4e7;
  --text-strong: #fafafa;
  --text-primary: #FAFAFA;
  --text-secondary: #9CA3AF;
  --text-tertiary: #6B7280;
  --text-muted: #9CA3AF;
  --muted: #71717a;
  --muted-strong: #52525b;
  --muted-foreground: #71717a;

  /* Border */
  --border: #27272a;
  --border-strong: #3f3f46;
  --border-hover: #52525b;
  --border-subtle: rgba(255,255,255,0.06);
  --border-medium: rgba(255,255,255,0.10);
  --border-color: rgba(255,255,255,0.06);
  --input: #27272a;
  --ring: #ff5c5c;

  /* Accent — signature red */
  --accent: #ff5c5c;
  --accent-hover: #ff7070;
  --accent-muted: #ff5c5c;
  --accent-subtle: rgba(255, 92, 92, 0.15);
  --accent-foreground: #fafafa;
  --accent-glow: rgba(255, 92, 92, 0.25);
  --accent-primary: #FFFFFF;
  --accent-secondary: #888888;
  --primary: #ff5c5c;
  --primary-foreground: #ffffff;

  /* Secondary — teal */
  --secondary: #1e2028;
  --secondary-foreground: #f4f4f5;
  --accent-2: #14b8a6;
  --accent-2-muted: rgba(20, 184, 166, 0.7);
  --accent-2-subtle: rgba(20, 184, 166, 0.15);

  /* Semantic status colors */
  --ok: #22c55e;
  --ok-muted: rgba(34, 197, 94, 0.75);
  --ok-subtle: rgba(34, 197, 94, 0.12);
  --destructive: #ef4444;
  --destructive-foreground: #fafafa;
  --warn: #f59e0b;
  --warn-muted: rgba(245, 158, 11, 0.75);
  --warn-subtle: rgba(245, 158, 11, 0.12);
  --danger: #ef4444;
  --danger-muted: rgba(239, 68, 68, 0.75);
  --danger-subtle: rgba(239, 68, 68, 0.12);
  --info: #3b82f6;

  /* Status aliases (page convention) */
  --status-green: #22C55E;
  --status-blue: #3B82F6;
  --status-purple: #8B5CF6;
  --status-orange: #F59E0B;
  --status-red: #EF4444;
  --status-cyan: #06B6D4;
  --status-yellow: #EAB308;

  /* Focus */
  --focus: rgba(255, 92, 92, 0.25);
  --focus-ring: 0 0 0 2px var(--bg), 0 0 0 4px var(--ring);
  --focus-glow: 0 0 0 2px var(--bg), 0 0 0 4px var(--ring), 0 0 20px var(--accent-glow);

  /* Typography */
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, "SF Mono", Menlo, Monaco, Consolas, monospace;
  --font-body: "Space Grotesk", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-display: "Space Grotesk", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.25), 0 0 0 1px rgba(255, 255, 255, 0.03);
  --shadow-lg: 0 12px 28px rgba(0, 0, 0, 0.35), 0 0 0 1px rgba(255, 255, 255, 0.03);
  --shadow-xl: 0 24px 48px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(255, 255, 255, 0.03);
  --shadow-glow: 0 0 30px var(--accent-glow);

  /* Radii */
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;
  --radius: 8px;

  /* Transitions */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --duration-fast: 120ms;
  --duration-normal: 200ms;
  --duration-slow: 350ms;

  color-scheme: dark;
}


/* ── Keyframe Animations ──────────────────────────────────── */

@keyframes s8-rise {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes s8-fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes s8-scale-in {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}

@keyframes s8-shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

@keyframes s8-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

@keyframes s8-slide-up {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes s8-slide-down {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes s8-toast-in {
  from { opacity: 0; transform: translateY(12px) scale(0.96); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes s8-toast-out {
  from { opacity: 1; transform: translateY(0) scale(1); }
  to { opacity: 0; transform: translateY(-8px) scale(0.96); }
}

@keyframes s8-spin {
  to { transform: rotate(360deg); }
}

@keyframes s8-modal-in {
  from { opacity: 0; transform: translateY(12px) scale(0.97); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes s8-backdrop-in {
  from { opacity: 0; }
  to { opacity: 1; }
}


/* ── Focus ────────────────────────────────────────────────── */

*:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}


/* ── Scrollbar ────────────────────────────────────────────── */

::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.08); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.14); }


/* ═══════════════════════════════════════════════════════════════
   COMPONENTS
   ═══════════════════════════════════════════════════════════════ */


/* ── Buttons ──────────────────────────────────────────────── */

.s8-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 8px 16px; height: 36px;
  font: 500 13px/1 var(--mono);
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-out);
  white-space: nowrap;
  text-decoration: none;
}
.s8-btn:hover { filter: brightness(1.1); }
.s8-btn:active { transform: scale(0.98); }
.s8-btn:disabled { opacity: 0.4; pointer-events: none; }

.s8-btn-primary {
  background: var(--accent); color: var(--accent-foreground); border-color: var(--accent);
}
.s8-btn-primary:hover { background: var(--accent-hover); }

.s8-btn-secondary {
  background: rgba(255,255,255,0.06); color: var(--text); border-color: var(--border);
}
.s8-btn-secondary:hover { background: rgba(255,255,255,0.10); color: var(--text-strong); }

.s8-btn-danger {
  background: var(--danger); color: #fff; border-color: var(--danger);
}
.s8-btn-danger:hover { background: #dc2626; }

.s8-btn-ghost {
  background: transparent; color: var(--text-secondary, var(--muted)); border-color: transparent;
}
.s8-btn-ghost:hover { background: rgba(255,255,255,0.06); color: var(--text-strong); }

.s8-btn-sm {
  height: 30px; padding: 5px 12px; font-size: 12px;
}

.s8-btn-icon {
  width: 36px; padding: 0; justify-content: center;
}
.s8-btn-icon.s8-btn-sm { width: 30px; height: 30px; }

.s8-btn-loading {
  pointer-events: none; position: relative; color: transparent !important;
}
.s8-btn-loading::after {
  content: ''; position: absolute;
  width: 16px; height: 16px;
  border: 2px solid rgba(255,255,255,0.3); border-top-color: #fff;
  border-radius: 50%;
  animation: s8-spin 0.6s linear infinite;
}


/* ── Badges / Status Pills ────────────────────────────────── */

.s8-badge {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 3px 10px; border-radius: var(--radius-full);
  font-size: 11px; font-weight: 600; letter-spacing: 0.2px;
  white-space: nowrap; line-height: 1.4;
  border: 1px solid transparent;
}
.s8-badge-green, .s8-badge-ok, .s8-badge-success {
  background: rgba(34,197,94,0.12); color: #4ADE80; border-color: rgba(34,197,94,0.15);
}
.s8-badge-red, .s8-badge-danger, .s8-badge-critical {
  background: rgba(239,68,68,0.12); color: #F87171; border-color: rgba(239,68,68,0.15);
}
.s8-badge-orange, .s8-badge-warn, .s8-badge-warning {
  background: rgba(245,158,11,0.12); color: #FBBF24; border-color: rgba(245,158,11,0.15);
}
.s8-badge-blue, .s8-badge-info {
  background: rgba(59,130,246,0.12); color: #60A5FA; border-color: rgba(59,130,246,0.15);
}
.s8-badge-purple {
  background: rgba(139,92,246,0.12); color: #A78BFA; border-color: rgba(139,92,246,0.15);
}
.s8-badge-cyan {
  background: rgba(6,182,212,0.12); color: #22D3EE; border-color: rgba(6,182,212,0.15);
}
.s8-badge-gray, .s8-badge-muted {
  background: rgba(113,113,122,0.10); color: var(--text-secondary, #9CA3AF); border-color: rgba(113,113,122,0.12);
}


/* ── Cards ────────────────────────────────────────────────── */

.s8-card {
  background: var(--bg-glass, var(--card));
  border: 1px solid var(--border-color, var(--border));
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
}
.s8-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.06), transparent);
}
.s8-card-header {
  padding: 14px 20px;
  border-bottom: 1px solid var(--border-color, var(--border));
  display: flex; align-items: center; justify-content: space-between;
}
.s8-card-title { font-size: 13px; font-weight: 600; color: var(--text-primary, var(--text-strong)); }
.s8-card-body { padding: 16px 20px; }

.s8-stat-card {
  background: var(--bg-glass, var(--card));
  border: 1px solid var(--border-color, var(--border));
  border-radius: var(--radius-lg);
  padding: 20px; position: relative; overflow: hidden;
}
.s8-stat-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.06), transparent);
}
.s8-stat-label {
  font-size: 10px; font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.6px; color: var(--text-tertiary, var(--muted)); margin-bottom: 8px;
}
.s8-stat-value { font-size: 28px; font-weight: 700; letter-spacing: -1px; color: var(--text-primary, var(--text-strong)); }
.s8-stat-sub { font-size: 11px; color: var(--text-secondary, var(--muted)); margin-top: 4px; }


/* ── Tables ───────────────────────────────────────────────── */

.s8-table { width: 100%; border-collapse: collapse; }
.s8-table th {
  padding: 10px 14px; text-align: left;
  font-size: 10px; font-weight: 600; color: var(--text-tertiary, var(--muted));
  text-transform: uppercase; letter-spacing: 0.6px;
  background: rgba(255,255,255,0.02);
  border-bottom: 1px solid var(--border-color, var(--border));
}
.s8-table td {
  padding: 12px 14px; font-size: 13px;
  border-top: 1px solid var(--border-subtle, var(--border));
}
.s8-table tbody tr { transition: background var(--duration-fast) ease; cursor: pointer; }
.s8-table tbody tr:hover { background: rgba(255,255,255,0.02); }
.s8-table tbody tr.selected { background: var(--accent-subtle, rgba(255,92,92,0.08)); }


/* ── Forms ────────────────────────────────────────────────── */

.s8-input, .s8-select, .s8-textarea {
  width: 100%;
  padding: 8px 12px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border-color, var(--border));
  border-radius: var(--radius-sm);
  color: var(--text-primary, var(--text));
  font: 400 13px/1.5 var(--mono);
  transition: border-color var(--duration-fast) ease;
}
.s8-input:focus, .s8-select:focus, .s8-textarea:focus {
  border-color: var(--accent);
  outline: none;
  box-shadow: 0 0 0 3px var(--accent-subtle, rgba(255,92,92,0.1));
}
.s8-input::placeholder { color: var(--text-tertiary, var(--muted)); }
.s8-textarea { resize: vertical; min-height: 80px; }
.s8-select { cursor: pointer; appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%239CA3AF' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 10px center; padding-right: 30px;
}

.s8-form-group { margin-bottom: 16px; }
.s8-form-label {
  display: block; margin-bottom: 6px;
  font-size: 11px; font-weight: 600; color: var(--text-secondary, var(--muted));
  text-transform: uppercase; letter-spacing: 0.4px;
}


/* ── Filter Bar ───────────────────────────────────────────── */

.s8-filters {
  display: flex; gap: 6px; padding: 14px 20px;
  border-bottom: 1px solid var(--border-color, var(--border));
  flex-wrap: wrap;
}
.s8-filter-btn {
  padding: 6px 14px;
  background: transparent; border: 1px solid transparent;
  border-radius: var(--radius-full);
  color: var(--text-tertiary, var(--muted));
  cursor: pointer; font-size: 12px; font-weight: 500;
  transition: all var(--duration-fast) ease;
}
.s8-filter-btn.active {
  background: var(--accent-glow, rgba(255,92,92,0.1));
  border-color: rgba(255,255,255,0.1);
  color: var(--accent-primary, var(--text-strong));
}
.s8-filter-btn:hover:not(.active) {
  color: var(--text-secondary); background: rgba(255,255,255,0.03);
}

.s8-search {
  flex: 1; min-width: 200px;
  padding: 7px 12px 7px 34px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border-color, var(--border));
  border-radius: var(--radius-sm);
  color: var(--text-primary, var(--text));
  font: 400 13px/1.5 var(--mono);
  transition: border-color var(--duration-fast) ease;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%236B7280' stroke-width='2'%3E%3Ccircle cx='11' cy='11' r='8'/%3E%3Cline x1='21' y1='21' x2='16.65' y2='16.65'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: 10px center;
}
.s8-search:focus { border-color: var(--accent); outline: none; }


/* ── Modals ───────────────────────────────────────────────── */

.s8-modal-backdrop {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.6); backdrop-filter: blur(4px);
  z-index: 1000;
  animation: s8-backdrop-in var(--duration-normal) var(--ease-out);
  display: flex; align-items: center; justify-content: center;
}
.s8-modal {
  background: var(--bg-elevated, #1a1d25);
  border: 1px solid var(--border-strong, #3f3f46);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  width: 90vw; max-width: 560px; max-height: 85vh;
  display: flex; flex-direction: column;
  animation: s8-modal-in var(--duration-slow) var(--ease-spring);
}
.s8-modal-header {
  padding: 18px 20px;
  border-bottom: 1px solid var(--border-color, var(--border));
  display: flex; align-items: center; justify-content: space-between;
}
.s8-modal-title { font-size: 15px; font-weight: 700; color: var(--text-primary, var(--text-strong)); }
.s8-modal-close {
  width: 32px; height: 32px; display: flex; align-items: center; justify-content: center;
  background: transparent; border: none; border-radius: var(--radius-sm);
  color: var(--text-tertiary, var(--muted)); cursor: pointer; font-size: 18px;
  transition: all var(--duration-fast) ease;
}
.s8-modal-close:hover { background: rgba(255,255,255,0.06); color: var(--text-primary); }
.s8-modal-body { padding: 20px; overflow-y: auto; flex: 1; }
.s8-modal-footer {
  padding: 14px 20px;
  border-top: 1px solid var(--border-color, var(--border));
  display: flex; align-items: center; justify-content: flex-end; gap: 8px;
}


/* ── Toast Notifications ──────────────────────────────────── */

.s8-toast-container {
  position: fixed; bottom: 20px; right: 20px;
  z-index: 9999;
  display: flex; flex-direction: column-reverse; gap: 8px;
  pointer-events: none;
}
.s8-toast {
  pointer-events: auto;
  padding: 12px 16px; min-width: 280px; max-width: 420px;
  background: var(--bg-elevated, #1a1d25);
  border: 1px solid var(--border-strong, #3f3f46);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  display: flex; align-items: center; gap: 10px;
  font-size: 13px; font-weight: 500; color: var(--text-primary, var(--text));
  animation: s8-toast-in var(--duration-slow) var(--ease-spring);
}
.s8-toast.removing {
  animation: s8-toast-out var(--duration-normal) var(--ease-out) forwards;
}
.s8-toast-icon { flex-shrink: 0; width: 18px; height: 18px; }
.s8-toast-msg { flex: 1; }
.s8-toast-close {
  flex-shrink: 0; width: 20px; height: 20px;
  background: transparent; border: none; border-radius: 4px;
  color: var(--text-tertiary, var(--muted)); cursor: pointer; font-size: 14px;
  display: flex; align-items: center; justify-content: center;
}
.s8-toast-close:hover { color: var(--text-primary); background: rgba(255,255,255,0.06); }

.s8-toast-success { border-left: 3px solid var(--ok, #22c55e); }
.s8-toast-success .s8-toast-icon { color: var(--ok, #22c55e); }
.s8-toast-error { border-left: 3px solid var(--danger, #ef4444); }
.s8-toast-error .s8-toast-icon { color: var(--danger, #ef4444); }
.s8-toast-warning { border-left: 3px solid var(--warn, #f59e0b); }
.s8-toast-warning .s8-toast-icon { color: var(--warn, #f59e0b); }
.s8-toast-info { border-left: 3px solid var(--info, #3b82f6); }
.s8-toast-info .s8-toast-icon { color: var(--info, #3b82f6); }


/* ── Loading Skeletons ────────────────────────────────────── */

.s8-skeleton {
  background: linear-gradient(90deg, rgba(255,255,255,0.04) 25%, rgba(255,255,255,0.08) 50%, rgba(255,255,255,0.04) 75%);
  background-size: 200% 100%;
  animation: s8-shimmer 1.5s infinite;
  border-radius: var(--radius-sm);
}
.s8-skeleton-text { height: 14px; margin-bottom: 8px; border-radius: 4px; }
.s8-skeleton-text:last-child { width: 60%; }
.s8-skeleton-heading { height: 20px; width: 40%; margin-bottom: 12px; border-radius: 4px; }
.s8-skeleton-card {
  height: 100px; border-radius: var(--radius-lg);
  border: 1px solid var(--border-color, var(--border));
}
.s8-skeleton-row {
  height: 48px; border-radius: 0;
  border-bottom: 1px solid rgba(255,255,255,0.03);
}
.s8-skeleton-avatar { width: 32px; height: 32px; border-radius: 50%; }
.s8-skeleton-stat { height: 80px; border-radius: var(--radius-lg); }

/* Skeleton grids */
.s8-skeleton-grid { display: grid; gap: 16px; }
.s8-skeleton-grid-4 { grid-template-columns: repeat(4, 1fr); }
.s8-skeleton-grid-5 { grid-template-columns: repeat(5, 1fr); }
.s8-skeleton-grid-3 { grid-template-columns: repeat(3, 1fr); }


/* ── Empty States ─────────────────────────────────────────── */

.s8-empty {
  text-align: center; padding: 60px 24px;
  display: flex; flex-direction: column; align-items: center;
}
.s8-empty-icon {
  width: 56px; height: 56px; margin-bottom: 16px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius-lg);
  background: rgba(255,255,255,0.04);
  color: var(--text-tertiary, var(--muted));
  font-size: 24px;
}
.s8-empty-title {
  font-size: 15px; font-weight: 600;
  color: var(--text-primary, var(--text-strong));
  margin-bottom: 6px;
}
.s8-empty-sub {
  font-size: 13px; color: var(--text-secondary, var(--muted));
  max-width: 360px; line-height: 1.5;
  margin-bottom: 20px;
}
.s8-empty-action {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 16px; height: 36px;
  background: var(--accent); color: var(--accent-foreground);
  border: none; border-radius: var(--radius-sm);
  cursor: pointer; font: 500 13px/1 var(--mono);
  transition: all var(--duration-fast) var(--ease-out);
}
.s8-empty-action:hover { background: var(--accent-hover); }


/* ── Progress / Bar Fills ─────────────────────────────────── */

.s8-bar-track {
  width: 100%; height: 6px;
  background: rgba(255,255,255,0.06);
  border-radius: 3px; overflow: hidden;
}
.s8-bar-fill {
  height: 100%; border-radius: 3px;
  transition: width 0.4s var(--ease-out);
}
.s8-bar-fill.green { background: var(--status-green); }
.s8-bar-fill.blue { background: var(--status-blue); }
.s8-bar-fill.orange { background: var(--status-orange); }
.s8-bar-fill.red { background: var(--status-red); }
.s8-bar-fill.purple { background: var(--status-purple); }


/* ── Status Dots ──────────────────────────────────────────── */

.s8-dot {
  width: 8px; height: 8px; border-radius: 50%; display: inline-block;
}
.s8-dot-online { background: var(--status-green); box-shadow: 0 0 6px rgba(34,197,94,0.5); }
.s8-dot-offline { background: #71717A; }
.s8-dot-warning { background: var(--status-orange); box-shadow: 0 0 6px rgba(245,158,11,0.4); }
.s8-dot-error { background: var(--status-red); box-shadow: 0 0 6px rgba(239,68,68,0.4); }
.s8-dot-pulse { animation: s8-pulse 2s ease-in-out infinite; }


/* ── Page Header ──────────────────────────────────────────── */

.s8-page-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 24px; gap: 16px;
}
.s8-page-title { font-size: 18px; font-weight: 700; color: var(--text-primary, var(--text-strong)); }
.s8-page-sub { font-size: 12px; color: var(--text-secondary, var(--muted)); margin-top: 2px; }
.s8-page-actions { display: flex; gap: 8px; align-items: center; }


/* ── Metric Grid ──────────────────────────────────────────── */

.s8-metrics {
  display: grid; gap: 16px; margin-bottom: 24px;
}
.s8-metrics-4 { grid-template-columns: repeat(4, 1fr); }
.s8-metrics-5 { grid-template-columns: repeat(5, 1fr); }
.s8-metrics-3 { grid-template-columns: repeat(3, 1fr); }


/* ── Tabs ─────────────────────────────────────────────────── */

.s8-tabs {
  display: flex; gap: 0; border-bottom: 1px solid var(--border-color, var(--border));
  margin-bottom: 20px;
}
.s8-tab {
  padding: 10px 16px; border: none; background: transparent;
  color: var(--text-secondary, var(--muted)); font-size: 13px; font-weight: 500;
  cursor: pointer; border-bottom: 2px solid transparent;
  transition: all var(--duration-fast) ease;
  margin-bottom: -1px;
}
.s8-tab:hover { color: var(--text-primary, var(--text-strong)); }
.s8-tab.active {
  color: var(--accent); border-bottom-color: var(--accent);
}


/* ── Tooltips ─────────────────────────────────────────────── */

.s8-tooltip {
  position: relative;
}
.s8-tooltip::after {
  content: attr(data-tooltip);
  position: absolute; bottom: 100%; left: 50%;
  transform: translateX(-50%) translateY(-4px);
  padding: 5px 10px;
  background: var(--bg-elevated, #1a1d25);
  border: 1px solid var(--border-strong, #3f3f46);
  border-radius: var(--radius-sm);
  font-size: 11px; font-weight: 500;
  color: var(--text-primary); white-space: nowrap;
  pointer-events: none; opacity: 0;
  transition: opacity var(--duration-fast) ease;
  z-index: 100;
}
.s8-tooltip:hover::after { opacity: 1; }


/* ── Responsive ───────────────────────────────────────────── */

@media (max-width: 1100px) {
  .s8-metrics-5 { grid-template-columns: repeat(3, 1fr); }
  .s8-metrics-4 { grid-template-columns: repeat(2, 1fr); }
  .s8-skeleton-grid-5 { grid-template-columns: repeat(3, 1fr); }
  .s8-skeleton-grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .s8-metrics-5, .s8-metrics-4, .s8-metrics-3 { grid-template-columns: repeat(2, 1fr); }
  .s8-modal { width: 95vw; max-height: 90vh; }
  .s8-filters { padding: 10px 14px; }
  .s8-page-header { flex-direction: column; align-items: flex-start; }
  .s8-skeleton-grid-5, .s8-skeleton-grid-4, .s8-skeleton-grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
  .s8-metrics-5, .s8-metrics-4, .s8-metrics-3, .s8-metrics { grid-template-columns: 1fr; }
  .s8-toast-container { left: 12px; right: 12px; bottom: 12px; }
  .s8-toast { min-width: unset; }
  .s8-modal { width: 98vw; border-radius: var(--radius-md); }
  .s8-skeleton-grid-5, .s8-skeleton-grid-4, .s8-skeleton-grid-3 { grid-template-columns: 1fr; }
}