/**
 * SecuriLayer Design System v2 — "Quantum Shield"
 * Dark / neon-organic / AI-centric cybersecurity SaaS
 * Single source for landing, /app, /sdr, /webadmin, TG WebApp
 * 2026–2036
 */

@import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&family=JetBrains+Mono:wght@400;500;600&display=swap");

/* ═══════════════════════════════════════════════════
   1. DESIGN TOKENS
   ═══════════════════════════════════════════════════ */

:root {
  /* ── Core — deep cosmic dark ── */
  --sl-bg: #030712;
  --sl-bg-elevated: #0a0f1e;
  --sl-surface: #111827;
  --sl-surface-2: #1f2937;
  --sl-surface-hover: #1a2436;
  --sl-border: #1e293b;
  --sl-border-focus: #334155;
  --sl-border-subtle: rgba(255, 255, 255, 0.06);

  /* ── Text ── */
  --sl-text: #f1f5f9;
  --sl-text-secondary: #94a3b8;
  --sl-text-muted: #64748b;
  --sl-text-dim: #475569;

  /* ── Accent — quantum neon teal ── */
  --sl-accent: #00ffc8;
  --sl-accent-dim: #059669;
  --sl-accent-glow: rgba(0, 255, 200, 0.15);
  --sl-accent-glow-strong: rgba(0, 255, 200, 0.3);

  /* ── Cyber spectrum ── */
  --sl-cyan: #38bdf8;
  --sl-cyan-glow: rgba(56, 189, 248, 0.12);
  --sl-purple: #c084fc;
  --sl-purple-glow: rgba(192, 132, 252, 0.12);
  --sl-pink: #fb7185;
  --sl-pink-glow: rgba(251, 113, 133, 0.1);
  --sl-amber: #fbbf24;
  --sl-amber-glow: rgba(251, 191, 36, 0.1);

  /* ── Semantic ── */
  --sl-success: #34d399;
  --sl-warn: #fbbf24;
  --sl-danger: #f87171;
  --sl-info: #60a5fa;

  /* ── Gradients ── */
  --sl-gradient-hero: radial-gradient(ellipse 120% 80% at 20% -20%, rgba(0, 255, 200, 0.08), transparent 50%),
    radial-gradient(ellipse 80% 60% at 90% 10%, rgba(192, 132, 252, 0.07), transparent 45%),
    radial-gradient(ellipse 100% 100% at 50% 50%, rgba(3, 7, 18, 0.98), transparent);
  --sl-gradient-card: linear-gradient(165deg, rgba(17, 24, 39, 0.95), rgba(10, 15, 30, 0.98));
  --sl-gradient-card-hover: linear-gradient(165deg, rgba(26, 36, 54, 0.95), rgba(17, 24, 39, 0.98));
  --sl-gradient-cta: linear-gradient(135deg, #00ffc8 0%, #059669 100%);
  --sl-gradient-cta-glow: 0 0 28px rgba(0, 255, 200, 0.4);
  --sl-gradient-text: linear-gradient(135deg, #00ffc8 0%, #38bdf8 50%, #c084fc 100%);
  --sl-gradient-border: linear-gradient(135deg, rgba(0, 255, 200, 0.4), rgba(56, 189, 248, 0.2), rgba(192, 132, 252, 0.4));

  /* ── Typography ── */
  --sl-font-ui: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --sl-font-mono: "JetBrains Mono", "SF Mono", Menlo, Consolas, monospace;
  --sl-text-xs: 0.75rem;
  --sl-text-sm: 0.875rem;
  --sl-text-base: 1rem;
  --sl-text-lg: 1.125rem;
  --sl-text-xl: 1.25rem;
  --sl-text-2xl: 1.5rem;
  --sl-text-3xl: clamp(1.75rem, 3vw, 2.25rem);
  --sl-text-4xl: clamp(2rem, 4vw, 3rem);
  --sl-text-5xl: clamp(2.5rem, 5vw, 4rem);
  --sl-text-6xl: clamp(3rem, 6vw, 5rem);
  --sl-leading-tight: 1.15;
  --sl-leading-snug: 1.3;
  --sl-leading-normal: 1.5;
  --sl-leading-relaxed: 1.65;

  /* ── Spacing (8px base) ── */
  --sl-space-0: 0;
  --sl-space-1: 0.25rem;
  --sl-space-2: 0.5rem;
  --sl-space-3: 0.75rem;
  --sl-space-4: 1rem;
  --sl-space-5: 1.25rem;
  --sl-space-6: 1.5rem;
  --sl-space-8: 2rem;
  --sl-space-10: 2.5rem;
  --sl-space-12: 3rem;
  --sl-space-16: 4rem;
  --sl-space-20: 5rem;
  --sl-space-24: 6rem;
  --sl-space-32: 8rem;

  /* ── Radius ── */
  --sl-radius-sm: 8px;
  --sl-radius-md: 12px;
  --sl-radius-lg: 16px;
  --sl-radius-xl: 20px;
  --sl-radius-2xl: 24px;
  --sl-radius-full: 9999px;

  /* ── Shadows & glow ── */
  --sl-shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --sl-shadow-card: 0 4px 24px rgba(0, 0, 0, 0.4);
  --sl-shadow-card-hover: 0 8px 40px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(0, 255, 200, 0.1);
  --sl-shadow-nav: 0 1px 0 rgba(255, 255, 255, 0.03);
  --sl-shadow-elevated: 0 12px 48px rgba(0, 0, 0, 0.6);
  --sl-glow-accent: 0 0 24px var(--sl-accent-glow);
  --sl-glow-cyan: 0 0 24px var(--sl-cyan-glow);
  --sl-glow-purple: 0 0 24px var(--sl-purple-glow);

  /* ── Transitions ── */
  --sl-ease: cubic-bezier(0.4, 0, 0.2, 1);
  --sl-ease-out: cubic-bezier(0, 0, 0.2, 1);
  --sl-ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --sl-duration: 0.2s;
  --sl-duration-slow: 0.35s;
  --sl-duration-slower: 0.5s;
}

/* ── Legacy aliases (landing/webapp compatibility) ── */
:root {
  --bg: var(--sl-bg);
  --surface: var(--sl-surface);
  --surface-2: var(--sl-surface-2);
  --border: var(--sl-border);
  --accent: var(--sl-accent);
  --accent-glow: var(--sl-accent-glow);
  --purple: var(--sl-purple);
  --danger: var(--sl-danger);
  --warn: var(--sl-warn);
  --success: var(--sl-success);
  --text: var(--sl-text);
  --muted: var(--sl-text-muted);
  --font-ui: var(--sl-font-ui);
  --font-mono: var(--sl-font-mono);
  --line: var(--sl-border);
  --card: var(--sl-surface);
  --bg-soft: var(--sl-surface);
  --accent-2: var(--sl-purple);
}

/* ═══════════════════════════════════════════════════
   2. BASE RESET & THEMING
   ═══════════════════════════════════════════════════ */

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

.sl-theme,
.sl-theme body,
html {
  background: var(--sl-bg);
  color: var(--sl-text);
  font-family: var(--sl-font-ui);
  line-height: var(--sl-leading-normal);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

::selection {
  background: rgba(0, 255, 200, 0.25);
  color: #fff;
}

/* Ensure all interactive elements are always clickable above decorative layers */
a, button, input, select, textarea, [role="button"], [onclick], .sl-btn, .btn, .nav-links a {
  position: relative;
  z-index: 2;
}

/* Custom scrollbar */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: var(--sl-bg);
}

::-webkit-scrollbar-thumb {
  background: var(--sl-border);
  border-radius: var(--sl-radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--sl-accent-dim);
}

/* ═══════════════════════════════════════════════════
   3. LAYOUT UTILITIES
   ═══════════════════════════════════════════════════ */

.sl-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 max(var(--sl-space-6), env(safe-area-inset-right, 0px)) 0
    max(var(--sl-space-6), env(safe-area-inset-left, 0px));
}

.sl-container-sm {
  max-width: 768px;
  margin: 0 auto;
  padding: 0 max(var(--sl-space-6), env(safe-area-inset-right, 0px)) 0
    max(var(--sl-space-6), env(safe-area-inset-left, 0px));
}

.sl-container-lg {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 max(var(--sl-space-6), env(safe-area-inset-right, 0px)) 0
    max(var(--sl-space-6), env(safe-area-inset-left, 0px));
}

.sl-section {
  width: 100%;
  padding: var(--sl-space-20) max(var(--sl-space-4), env(safe-area-inset-right, 0px))
    var(--sl-space-20) max(var(--sl-space-4), env(safe-area-inset-left, 0px));
  position: relative;
  overflow: hidden;
}

.sl-section-sm {
  padding: var(--sl-space-12) max(var(--sl-space-4), env(safe-area-inset-right, 0px))
    var(--sl-space-12) max(var(--sl-space-4), env(safe-area-inset-left, 0px));
}

.sl-grid {
  display: grid;
  gap: var(--sl-space-6);
}

.sl-grid-2 { grid-template-columns: repeat(2, 1fr); }
.sl-grid-3 { grid-template-columns: repeat(3, 1fr); }
.sl-grid-4 { grid-template-columns: repeat(4, 1fr); }

.sl-grid-auto {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.sl-flex {
  display: flex;
  align-items: center;
  gap: var(--sl-space-4);
}

.sl-flex-col {
  display: flex;
  flex-direction: column;
  gap: var(--sl-space-4);
}

.sl-stack {
  display: flex;
  flex-direction: column;
}

.sl-cluster {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sl-space-3);
}

.sl-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

.sl-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

@media (max-width: 1024px) {
  .sl-grid-3 { grid-template-columns: repeat(2, 1fr); }
  .sl-grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .sl-grid-2,
  .sl-grid-3,
  .sl-grid-4 { grid-template-columns: 1fr; }

  .sl-section {
    padding: var(--sl-space-12) var(--sl-space-4);
  }
}

/* ═══════════════════════════════════════════════════
   4. TYPOGRAPHY
   ═══════════════════════════════════════════════════ */

.sl-h1 {
  font-size: var(--sl-text-6xl);
  font-weight: 800;
  line-height: var(--sl-leading-tight);
  letter-spacing: -0.03em;
}

.sl-h2 {
  font-size: var(--sl-text-4xl);
  font-weight: 700;
  line-height: var(--sl-leading-tight);
  letter-spacing: -0.02em;
}

.sl-h3 {
  font-size: var(--sl-text-3xl);
  font-weight: 700;
  line-height: var(--sl-leading-snug);
  letter-spacing: -0.01em;
}

.sl-h4 {
  font-size: var(--sl-text-2xl);
  font-weight: 600;
  line-height: var(--sl-leading-snug);
}

.sl-h5 {
  font-size: var(--sl-text-xl);
  font-weight: 600;
  line-height: var(--sl-leading-normal);
}

.sl-h6 {
  font-size: var(--sl-text-lg);
  font-weight: 600;
  line-height: var(--sl-leading-normal);
}

.sl-text-body {
  font-size: var(--sl-text-base);
  color: var(--sl-text-secondary);
  line-height: var(--sl-leading-relaxed);
}

.sl-text-caption {
  font-size: var(--sl-text-sm);
  color: var(--sl-text-muted);
}

.sl-text-label {
  font-size: var(--sl-text-xs);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--sl-text-muted);
}

.sl-gradient-text {
  background: var(--sl-gradient-text);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.sl-mono {
  font-family: var(--sl-font-mono);
  font-size: 0.9em;
}

.sl-text-accent { color: var(--sl-accent); }
.sl-text-cyan { color: var(--sl-cyan); }
.sl-text-purple { color: var(--sl-purple); }
.sl-text-pink { color: var(--sl-pink); }
.sl-text-muted-util { color: var(--sl-text-muted); }
.sl-text-center { text-align: center; }

/* ═══════════════════════════════════════════════════
   5. CARD COMPONENTS
   ═══════════════════════════════════════════════════ */

.sl-card {
  background: var(--sl-gradient-card);
  border: 1px solid var(--sl-border);
  border-radius: var(--sl-radius-lg);
  padding: var(--sl-space-6);
  box-shadow: var(--sl-shadow-card);
  transition: border-color var(--sl-duration) var(--sl-ease),
    box-shadow var(--sl-duration) var(--sl-ease),
    transform var(--sl-duration) var(--sl-ease);
}

.sl-card:hover {
  border-color: rgba(0, 255, 200, 0.2);
  box-shadow: var(--sl-shadow-card-hover);
  transform: translateY(-2px);
}

/* Glass card */
.sl-card-glass {
  background: rgba(17, 24, 39, 0.6);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--sl-border-subtle);
  border-radius: var(--sl-radius-lg);
  padding: var(--sl-space-6);
  box-shadow: var(--sl-shadow-card);
  transition: border-color var(--sl-duration) var(--sl-ease),
    box-shadow var(--sl-duration) var(--sl-ease);
}

.sl-card-glass:hover {
  border-color: rgba(0, 255, 200, 0.15);
  box-shadow: var(--sl-shadow-card-hover);
}

/* Feature card */
.sl-card-feature {
  background: var(--sl-gradient-card);
  border: 1px solid var(--sl-border);
  border-radius: var(--sl-radius-lg);
  padding: var(--sl-space-8);
  position: relative;
  overflow: hidden;
  transition: border-color var(--sl-duration) var(--sl-ease),
    box-shadow var(--sl-duration) var(--sl-ease),
    transform var(--sl-duration) var(--sl-ease);
}

.sl-card-feature::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--sl-gradient-border);
  opacity: 0;
  transition: opacity var(--sl-duration) var(--sl-ease);
}

.sl-card-feature:hover {
  border-color: rgba(0, 255, 200, 0.15);
  box-shadow: var(--sl-shadow-card-hover);
  transform: translateY(-3px);
}

.sl-card-feature:hover::before {
  opacity: 1;
}

.sl-card-feature-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--sl-radius-md);
  background: var(--sl-accent-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: var(--sl-space-4);
  color: var(--sl-accent);
}

/* Pricing card */
.sl-card-pricing {
  background: var(--sl-gradient-card);
  border: 1px solid var(--sl-border);
  border-radius: var(--sl-radius-xl);
  padding: var(--sl-space-8);
  position: relative;
  overflow: hidden;
  transition: border-color var(--sl-duration) var(--sl-ease),
    box-shadow var(--sl-duration) var(--sl-ease),
    transform var(--sl-duration) var(--sl-ease);
}

.sl-card-pricing.recommended {
  border-color: rgba(0, 255, 200, 0.3);
  box-shadow: var(--sl-shadow-card), 0 0 40px rgba(0, 255, 200, 0.08);
}

.sl-card-pricing.recommended::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--sl-gradient-cta);
}

.sl-card-pricing:hover {
  transform: translateY(-4px);
  box-shadow: var(--sl-shadow-card-hover);
}

/* Stat / KPI card */
.sl-card-stat,
.sl-kpi {
  background: var(--sl-gradient-card);
  border: 1px solid var(--sl-border);
  border-radius: var(--sl-radius-md);
  padding: var(--sl-space-5);
  position: relative;
  overflow: hidden;
}

.sl-card-stat::before,
.sl-kpi::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--sl-accent), var(--sl-cyan));
  opacity: 0.6;
}

.sl-kpi-value {
  font-size: var(--sl-text-2xl);
  font-weight: 700;
  color: var(--sl-text);
  letter-spacing: -0.02em;
}

.sl-kpi-label {
  font-size: var(--sl-text-sm);
  color: var(--sl-text-muted);
  margin-top: var(--sl-space-1);
}

/* ═══════════════════════════════════════════════════
   6. BUTTON COMPONENTS
   ═══════════════════════════════════════════════════ */

.sl-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sl-space-2);
  font-family: var(--sl-font-ui);
  font-weight: 600;
  font-size: var(--sl-text-base);
  border-radius: var(--sl-radius-md);
  border: none;
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
  position: relative;
  z-index: 2;
  transition: transform var(--sl-duration) var(--sl-ease),
    box-shadow var(--sl-duration) var(--sl-ease),
    background var(--sl-duration) var(--sl-ease),
    border-color var(--sl-duration) var(--sl-ease);
}

.sl-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
  box-shadow: none !important;
}

/* Primary CTA — neon gradient */
.sl-btn-primary {
  padding: var(--sl-space-3) var(--sl-space-6);
  font-weight: 700;
  background: var(--sl-gradient-cta);
  color: #021a14;
  border: none;
}

.sl-btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: var(--sl-gradient-cta-glow);
}

.sl-btn-primary:active {
  transform: translateY(0);
}

/* Ghost / outline */
.sl-btn-ghost {
  padding: var(--sl-space-3) var(--sl-space-6);
  border: 1px solid var(--sl-border);
  background: rgba(17, 24, 39, 0.6);
  color: var(--sl-text);
}

.sl-btn-ghost:hover {
  border-color: var(--sl-accent);
  background: var(--sl-accent-glow);
  color: var(--sl-accent);
}

/* Secondary */
.sl-btn-secondary {
  padding: var(--sl-space-3) var(--sl-space-6);
  background: var(--sl-surface-2);
  color: var(--sl-text);
  border: 1px solid var(--sl-border);
}

.sl-btn-secondary:hover {
  background: var(--sl-surface-hover);
  border-color: var(--sl-border-focus);
}

/* Danger */
.sl-btn-danger {
  padding: var(--sl-space-3) var(--sl-space-6);
  background: rgba(248, 113, 113, 0.15);
  color: var(--sl-danger);
  border: 1px solid rgba(248, 113, 113, 0.3);
}

.sl-btn-danger:hover {
  background: rgba(248, 113, 113, 0.25);
  border-color: rgba(248, 113, 113, 0.5);
}

/* Icon button */
.sl-btn-icon {
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: var(--sl-radius-md);
  background: var(--sl-surface);
  border: 1px solid var(--sl-border);
  color: var(--sl-text-secondary);
}

.sl-btn-icon:hover {
  border-color: var(--sl-accent);
  color: var(--sl-accent);
  background: var(--sl-accent-glow);
}

/* Sizes */
.sl-btn-sm {
  padding: var(--sl-space-2) var(--sl-space-4);
  font-size: var(--sl-text-sm);
}

.sl-btn-lg {
  padding: var(--sl-space-4) var(--sl-space-8);
  font-size: var(--sl-text-lg);
  border-radius: var(--sl-radius-lg);
}

/* ═══════════════════════════════════════════════════
   7. BADGE COMPONENTS
   ═══════════════════════════════════════════════════ */

.sl-badge {
  display: inline-flex;
  align-items: center;
  padding: var(--sl-space-1) var(--sl-space-3);
  font-size: var(--sl-text-xs);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border-radius: var(--sl-radius-full);
  border: 1px solid var(--sl-border);
  background: var(--sl-surface-2);
  color: var(--sl-text-secondary);
}

.sl-badge.accent {
  border-color: rgba(0, 255, 200, 0.4);
  background: var(--sl-accent-glow);
  color: var(--sl-accent);
}

.sl-badge.danger {
  border-color: rgba(248, 113, 113, 0.4);
  background: rgba(248, 113, 113, 0.1);
  color: var(--sl-danger);
}

.sl-badge.success {
  border-color: rgba(52, 211, 153, 0.4);
  background: rgba(52, 211, 153, 0.1);
  color: var(--sl-success);
}

.sl-badge.warn {
  border-color: rgba(251, 191, 36, 0.4);
  background: rgba(251, 191, 36, 0.1);
  color: var(--sl-warn);
}

.sl-badge.info {
  border-color: rgba(96, 165, 250, 0.4);
  background: rgba(96, 165, 250, 0.1);
  color: var(--sl-info);
}

.sl-badge.purple {
  border-color: rgba(192, 132, 252, 0.4);
  background: rgba(192, 132, 252, 0.1);
  color: var(--sl-purple);
}

.sl-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--sl-space-1);
  padding: var(--sl-space-1) var(--sl-space-2);
  font-size: var(--sl-text-xs);
  font-family: var(--sl-font-mono);
  border-radius: var(--sl-radius-sm);
  background: var(--sl-surface-2);
  color: var(--sl-text-secondary);
  border: 1px solid var(--sl-border);
}

/* ═══════════════════════════════════════════════════
   8. FORM COMPONENTS
   ═══════════════════════════════════════════════════ */

.sl-input,
.sl-textarea,
.sl-select {
  width: 100%;
  padding: var(--sl-space-3) var(--sl-space-4);
  font-size: var(--sl-text-base);
  font-family: var(--sl-font-ui);
  color: var(--sl-text);
  background: rgba(17, 24, 39, 0.8);
  border: 1px solid var(--sl-border);
  border-radius: var(--sl-radius-md);
  transition: border-color var(--sl-duration) var(--sl-ease),
    box-shadow var(--sl-duration) var(--sl-ease);
}

.sl-input::placeholder,
.sl-textarea::placeholder {
  color: var(--sl-text-muted);
}

.sl-input:focus,
.sl-textarea:focus,
.sl-select:focus {
  outline: none;
  border-color: var(--sl-accent);
  box-shadow: 0 0 0 3px var(--sl-accent-glow);
}

.sl-textarea {
  min-height: 120px;
  resize: vertical;
}

.sl-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2364748b' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: var(--sl-space-10);
}

/* Toggle switch */
.sl-toggle {
  position: relative;
  width: 44px;
  height: 24px;
  background: var(--sl-surface-2);
  border: 1px solid var(--sl-border);
  border-radius: var(--sl-radius-full);
  cursor: pointer;
  transition: background var(--sl-duration) var(--sl-ease),
    border-color var(--sl-duration) var(--sl-ease);
}

.sl-toggle::after {
  content: "";
  position: absolute;
  top: 2px;
  left: 2px;
  width: 18px;
  height: 18px;
  background: var(--sl-text-muted);
  border-radius: 50%;
  transition: transform var(--sl-duration) var(--sl-ease),
    background var(--sl-duration) var(--sl-ease);
}

.sl-toggle.active {
  background: var(--sl-accent-glow);
  border-color: var(--sl-accent);
}

.sl-toggle.active::after {
  transform: translateX(20px);
  background: var(--sl-accent);
}

/* ═══════════════════════════════════════════════════
   9. TABLE COMPONENTS
   ═══════════════════════════════════════════════════ */

.sl-table-wrap {
  overflow-x: auto;
  border-radius: var(--sl-radius-md);
  border: 1px solid var(--sl-border);
  background: var(--sl-surface);
}

.sl-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--sl-text-sm);
}

.sl-table th,
.sl-table td {
  padding: var(--sl-space-3) var(--sl-space-4);
  text-align: left;
  border-bottom: 1px solid var(--sl-border);
  color: var(--sl-text);
}

.sl-table th {
  font-weight: 600;
  color: var(--sl-text-secondary);
  background: rgba(0, 0, 0, 0.25);
  font-size: var(--sl-text-xs);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

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

.sl-table tbody tr {
  transition: background var(--sl-duration) var(--sl-ease);
}

.sl-table tbody tr:hover td {
  background: rgba(0, 255, 200, 0.03);
}

/* Striped variant */
.sl-table-striped tbody tr:nth-child(even) td {
  background: rgba(0, 0, 0, 0.15);
}

/* ═══════════════════════════════════════════════════
   10. NAVIGATION COMPONENTS
   ═══════════════════════════════════════════════════ */

.sl-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: var(--sl-space-4) var(--sl-space-6);
  background: rgba(3, 7, 18, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid transparent;
  transition: background var(--sl-duration-slow) var(--sl-ease),
    border-color var(--sl-duration-slow) var(--sl-ease),
    padding var(--sl-duration-slow) var(--sl-ease);
}

.sl-nav.scrolled {
  background: rgba(3, 7, 18, 0.95);
  border-bottom-color: var(--sl-border);
  padding: var(--sl-space-3) var(--sl-space-6);
}

.sl-nav-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.sl-nav-link {
  font-size: var(--sl-text-sm);
  font-weight: 500;
  color: var(--sl-text-secondary);
  text-decoration: none;
  padding: var(--sl-space-2) var(--sl-space-3);
  border-radius: var(--sl-radius-sm);
  position: relative;
  transition: color var(--sl-duration) var(--sl-ease);
}

.sl-nav-link::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--sl-accent);
  transition: width var(--sl-duration) var(--sl-ease),
    left var(--sl-duration) var(--sl-ease);
}

.sl-nav-link:hover {
  color: var(--sl-text);
}

.sl-nav-link:hover::after {
  width: 80%;
  left: 10%;
}

.sl-nav-link.active {
  color: var(--sl-accent);
}

.sl-nav-link.active::after {
  width: 80%;
  left: 10%;
}

/* Mobile hamburger */
.sl-hamburger {
  display: none;
  width: 32px;
  height: 32px;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}

.sl-hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--sl-text);
  border-radius: 2px;
  transition: transform var(--sl-duration) var(--sl-ease),
    opacity var(--sl-duration) var(--sl-ease);
}

.sl-hamburger.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.sl-hamburger.open span:nth-child(2) {
  opacity: 0;
}

.sl-hamburger.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile menu */
.sl-mobile-menu {
  display: none;
  position: fixed;
  top: 0;
  right: -100%;
  width: min(280px, calc(100vw - 2.5rem));
  height: 100vh;
  height: 100dvh;
  background: var(--sl-bg-elevated);
  border-left: 1px solid var(--sl-border);
  padding: calc(var(--sl-space-16) + env(safe-area-inset-top, 0px)) max(var(--sl-space-6), env(safe-area-inset-right, 0px))
    calc(var(--sl-space-8) + env(safe-area-inset-bottom, 0px)) var(--sl-space-6);
  z-index: 999;
  transition: right var(--sl-duration-slow) var(--sl-ease);
  box-sizing: border-box;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.sl-mobile-menu.open {
  right: 0;
}

.sl-mobile-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  z-index: 998;
  opacity: 0;
  transition: opacity var(--sl-duration-slow) var(--sl-ease);
  /* Closed menu: must not intercept taps (opacity:0 still receives hits). */
  pointer-events: none;
}

.sl-mobile-backdrop.open {
  opacity: 1;
  pointer-events: auto;
}

@media (max-width: 768px) {
  .sl-hamburger {
    display: flex;
  }

  .sl-nav-links {
    display: none;
  }

  .sl-mobile-menu,
  .sl-mobile-backdrop {
    display: block;
  }
}

/* ═══════════════════════════════════════════════════
   11. MODAL COMPONENTS
   ═══════════════════════════════════════════════════ */

.sl-modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--sl-duration-slow) var(--sl-ease),
    visibility var(--sl-duration-slow) var(--sl-ease);
}

.sl-modal-backdrop.open {
  opacity: 1;
  visibility: visible;
}

.sl-modal {
  background: var(--sl-bg-elevated);
  border: 1px solid var(--sl-border);
  border-radius: var(--sl-radius-xl);
  padding: var(--sl-space-8);
  max-width: 520px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--sl-shadow-elevated);
  transform: translateY(16px) scale(0.97);
  transition: transform var(--sl-duration-slow) var(--sl-ease-out);
}

.sl-modal-backdrop.open .sl-modal {
  transform: translateY(0) scale(1);
}

/* Drawer (slide from right) */
.sl-drawer {
  position: fixed;
  top: 0;
  right: -420px;
  width: 400px;
  max-width: 90vw;
  height: 100vh;
  background: var(--sl-bg-elevated);
  border-left: 1px solid var(--sl-border);
  padding: var(--sl-space-8);
  z-index: 2001;
  overflow-y: auto;
  transition: right var(--sl-duration-slow) var(--sl-ease);
}

.sl-drawer.open {
  right: 0;
}

/* ═══════════════════════════════════════════════════
   12. ANIMATION LIBRARY
   ═══════════════════════════════════════════════════ */

@keyframes slFadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes slFadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

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

@keyframes slSlideLeft {
  from { opacity: 0; transform: translateX(30px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes slSlideRight {
  from { opacity: 0; transform: translateX(-30px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes slScaleIn {
  from { opacity: 0; transform: scale(0.9); }
  to { opacity: 1; transform: scale(1); }
}

@keyframes slGlowPulse {
  0%, 100% { opacity: 0.5; box-shadow: 0 0 16px var(--sl-accent-glow); }
  50% { opacity: 1; box-shadow: 0 0 32px var(--sl-accent-glow-strong); }
}

@keyframes slFloat {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  33% { transform: translateY(-12px) rotate(1deg); }
  66% { transform: translateY(6px) rotate(-1deg); }
}

@keyframes slScanLine {
  0% { top: -2px; opacity: 0; }
  10% { opacity: 0.6; }
  90% { opacity: 0.6; }
  100% { top: 100%; opacity: 0; }
}

@keyframes slGridMove {
  0% { background-position: 0 0, 0 0; }
  100% { background-position: 48px 48px, 48px 48px; }
}

@keyframes slCounter {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

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

@keyframes slSpin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes slBorderRotate {
  0% { --angle: 0deg; }
  100% { --angle: 360deg; }
}

/* Reveal (IntersectionObserver trigger) */
.sl-reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s var(--sl-ease), transform 0.6s var(--sl-ease);
}

.sl-reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Legacy animation trigger */
.sl-anim-fade-in {
  animation: slFadeInUp 0.35s var(--sl-ease) forwards;
}

/* Stagger delays */
.sl-stagger-1 { transition-delay: 0.05s; }
.sl-stagger-2 { transition-delay: 0.1s; }
.sl-stagger-3 { transition-delay: 0.15s; }
.sl-stagger-4 { transition-delay: 0.2s; }
.sl-stagger-5 { transition-delay: 0.25s; }
.sl-stagger-6 { transition-delay: 0.3s; }
.sl-stagger-7 { transition-delay: 0.35s; }
.sl-stagger-8 { transition-delay: 0.4s; }

/* Pulse glow */
.sl-pulse {
  animation: slGlowPulse 2s var(--sl-ease) infinite;
}

/* Float */
.sl-float {
  animation: slFloat 6s ease-in-out infinite;
}

/* ═══════════════════════════════════════════════════
   13. BACKGROUND EFFECTS
   ═══════════════════════════════════════════════════ */

/* Animated grid pattern */
.sl-bg-grid {
  position: relative;
}

.sl-bg-grid::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 255, 200, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 255, 200, 0.03) 1px, transparent 1px);
  background-size: 48px 48px;
  animation: slGridMove 8s linear infinite;
  pointer-events: none;
  z-index: 0;
}

.sl-bg-grid > * {
  position: relative;
  z-index: 1;
}

/* Static grid (no animation) */
.sl-bg-pattern {
  position: relative;
}

.sl-bg-pattern::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 255, 200, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 255, 200, 0.025) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
  z-index: 0;
}

.sl-bg-pattern > * {
  position: relative;
  z-index: 1;
}

/* Floating orbs */
.sl-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
  z-index: 0;
}

.sl-orb-accent {
  background: rgba(0, 255, 200, 0.08);
  animation: slFloat 8s ease-in-out infinite;
}

.sl-orb-purple {
  background: rgba(192, 132, 252, 0.06);
  animation: slFloat 10s ease-in-out infinite reverse;
}

.sl-orb-cyan {
  background: rgba(56, 189, 248, 0.06);
  animation: slFloat 12s ease-in-out infinite;
}

/* Noise texture overlay */
.sl-bg-noise::after {
  content: "";
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='256' height='256' filter='url(%23n)' opacity='0.03'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 0;
  opacity: 0.5;
}

/* Radial gradient glow */
.sl-bg-glow-top {
  position: relative;
}

.sl-bg-glow-top::before {
  content: "";
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 500px;
  background: radial-gradient(ellipse, rgba(0, 255, 200, 0.06), transparent 70%);
  pointer-events: none;
  z-index: 0;
}

/* ═══════════════════════════════════════════════════
   14. SPECIAL EFFECTS
   ═══════════════════════════════════════════════════ */

/* Ambient glow */
.sl-glow {
  box-shadow: var(--sl-glow-accent);
}

.sl-glow-cyan-effect {
  box-shadow: var(--sl-glow-cyan);
}

.sl-glow-purple-effect {
  box-shadow: var(--sl-glow-purple);
}

/* Animated gradient border */
.sl-border-gradient {
  position: relative;
  border: none;
  background: var(--sl-gradient-card);
  border-radius: var(--sl-radius-lg);
}

.sl-border-gradient::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  background: var(--sl-gradient-border);
  z-index: -1;
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask-composite: exclude;
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  padding: 1px;
}

/* Shimmer loading */
.sl-shimmer {
  background: linear-gradient(
    90deg,
    var(--sl-surface) 25%,
    var(--sl-surface-2) 50%,
    var(--sl-surface) 75%
  );
  background-size: 200% 100%;
  animation: slShimmer 1.5s infinite;
  border-radius: var(--sl-radius-sm);
}

/* Progress bar */
.sl-progress {
  width: 100%;
  height: 6px;
  background: var(--sl-surface-2);
  border-radius: var(--sl-radius-full);
  overflow: hidden;
}

.sl-progress-fill {
  height: 100%;
  background: var(--sl-gradient-cta);
  border-radius: var(--sl-radius-full);
  transition: width var(--sl-duration-slow) var(--sl-ease);
}

/* Scan line effect */
.sl-scan-line {
  position: relative;
  overflow: hidden;
}

.sl-scan-line::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--sl-accent), transparent);
  opacity: 0;
  animation: slScanLine 4s linear infinite;
  pointer-events: none;
}

/* Spinner */
.sl-spinner {
  width: 24px;
  height: 24px;
  border: 2px solid var(--sl-border);
  border-top-color: var(--sl-accent);
  border-radius: 50%;
  animation: slSpin 0.6s linear infinite;
}

/* Separator */
.sl-divider {
  width: 100%;
  height: 1px;
  background: var(--sl-border);
  margin: var(--sl-space-8) 0;
}

.sl-divider-gradient {
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--sl-accent), transparent);
  margin: var(--sl-space-8) 0;
  opacity: 0.3;
}

/* ═══════════════════════════════════════════════════
   15. RESPONSIVE BREAKPOINTS
   ═══════════════════════════════════════════════════ */

/* Mobile first — defaults are mobile */

@media (min-width: 640px) {
  .sm\:sl-grid-2 { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 768px) {
  .md\:sl-grid-2 { grid-template-columns: repeat(2, 1fr); }
  .md\:sl-grid-3 { grid-template-columns: repeat(3, 1fr); }
  .md\:sl-flex-row {
    flex-direction: row;
  }
}

@media (min-width: 1024px) {
  .lg\:sl-grid-3 { grid-template-columns: repeat(3, 1fr); }
  .lg\:sl-grid-4 { grid-template-columns: repeat(4, 1fr); }
}

@media (min-width: 1280px) {
  .xl\:sl-grid-4 { grid-template-columns: repeat(4, 1fr); }
}

/* Reduce motion for accessibility */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ═══════════════════════════════════════════════════
   16. VIGIL ASSISTANT (PREMIUM UI)
   ═══════════════════════════════════════════════════ */

#vigil-assistant-container {
  font-family: var(--sl-font-ui);
}

#vigil-chat-window.hidden {
  opacity: 0;
  visibility: hidden;
  transform: scale(0.9) translateY(20px);
  pointer-events: none;
}

.vigil-msg {
  transition: all 0.2s ease-out;
  animation: vigil-slide-up 0.3s ease-out;
}

@keyframes vigil-slide-up {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.vigil-hint {
  animation: vigil-hint-slide 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes vigil-hint-slide {
  from { opacity: 0; transform: translateX(20px); }
  to { opacity: 1; transform: translateX(0); }
}

.vigil-header {
  backdrop-filter: blur(10px);
}

.vigil-msg b {
  color: var(--sl-accent);
}

#vigil-fab:hover {
  transform: scale(1.05) rotate(2deg);
  box-shadow: 0 8px 32px var(--sl-accent-glow-strong);
}

#vigil-send:hover {
  background: var(--sl-accent-dim) !important;
  transform: scale(1.1);
}

#vigil-close:hover {
  color: var(--sl-danger) !important;
}