/**
 * AAS Portal Design System v2.0 — "Midnight Sapphire"
 * Premium SaaS Design Tokens
 * Dark / Light Theme • Auth-Aware • Token-Based
 *
 * Loaded via Netlify snippet injection before </head>
 * Cascades AFTER inline <style> blocks — token values override hardcoded colors
 */

/* ============================================================
   FONT LOADING
   Performance note: move to <link> in Netlify snippet for faster loading
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@400;500;600;700;800&family=Plus+Jakarta+Sans:ital,wght@0,400;0,500;0,600;0,700;1,400&display=swap');

/* ============================================================
   DESIGN TOKENS — DARK THEME (default)
   ============================================================ */
:root {

  /* --- Brand & Semantic Colors --- */
  --color-primary: #4f8cff;
  --color-primary-dark: #3d70cc;
  --color-primary-light: #7aacff;
  --color-primary-glow: rgba(79, 140, 255, 0.3);

  --color-accent: #f97316;
  --color-success: #34d399;
  --color-warning: #fbbf24;
  --color-error: #f87171;

  /* --- Surface & Background --- */
  --color-bg-base: #0b0f19;
  --color-bg-elevated: rgba(14, 22, 42, 0.88);
  --color-bg-surface: rgba(22, 32, 58, 0.55);
  --color-bg-glass: rgba(255, 255, 255, 0.035);
  --color-bg-glass-hover: rgba(255, 255, 255, 0.06);

  /* --- Text --- */
  --color-text-primary: rgba(235, 240, 255, 0.95);
  --color-text-secondary: rgba(235, 240, 255, 0.68);
  --color-text-muted: rgba(235, 240, 255, 0.42);

  /* --- Borders --- */
  --color-border: rgba(255, 255, 255, 0.07);

  /* --- UI Tokens (nav, copilot, shell) --- */
  --ui-bg: #0b0f19;
  --ui-surface: rgba(14, 22, 42, 0.94);
  --ui-border: rgba(255, 255, 255, 0.07);
  --ui-border-hover: rgba(79, 140, 255, 0.4);
  --ui-text: rgba(235, 240, 255, 0.95);
  --ui-text-muted: rgba(235, 240, 255, 0.55);
  --ui-accent: #4f8cff;
  --ui-accent-soft: rgba(79, 140, 255, 0.1);
  --ui-shadow: 0 8px 32px rgba(0, 0, 0, 0.4), 0 2px 6px rgba(0, 0, 0, 0.2);

  /* --- Glass & Effects --- */
  --glass-blur: blur(24px);
  --glass-saturate: saturate(180%);
  --glass-backdrop: var(--glass-blur) var(--glass-saturate);

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.2), 0 1px 3px rgba(0, 0, 0, 0.12);
  --shadow-md: 0 4px 14px rgba(0, 0, 0, 0.32), 0 1px 4px rgba(0, 0, 0, 0.16);
  --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.44), 0 4px 12px rgba(0, 0, 0, 0.2);
  --shadow-xl: 0 24px 64px rgba(0, 0, 0, 0.5), 0 8px 20px rgba(0, 0, 0, 0.24);

  /* --- Typography --- */
  --font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'Outfit', 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;

  --font-size-xs: 0.75rem;
  --font-size-sm: 0.8125rem;
  --font-size-base: 0.9375rem;
  --font-size-lg: 1.0625rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;

  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --font-weight-extrabold: 800;

  --line-height-tight: 1.2;
  --line-height-snug: 1.35;
  --line-height-base: 1.5;
  --line-height-relaxed: 1.625;

  --letter-spacing-tight: -0.02em;
  --letter-spacing-normal: 0;
  --letter-spacing-wide: 0.04em;
  --letter-spacing-widest: 0.08em;

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

  /* --- Border Radius --- */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 20px;
  --radius-2xl: 24px;
  --radius-full: 9999px;

  /* --- Transitions --- */
  --transition-fast: 100ms ease;
  --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-spring: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);

  /* --- Gradients --- */
  --gradient-primary: linear-gradient(135deg, #4f8cff, #6366f1);
  --gradient-accent: linear-gradient(135deg, #f97316, #f59e0b);
  --gradient-surface: linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.01));
}

/* ============================================================
   LIGHT THEME OVERRIDES
   ============================================================ */
body.light-theme {
  --color-primary: #2563eb;
  --color-primary-dark: #1d4ed8;
  --color-primary-light: #60a5fa;
  --color-primary-glow: rgba(37, 99, 235, 0.2);

  --color-accent: #ea580c;
  --color-success: #059669;
  --color-warning: #d97706;
  --color-error: #dc2626;

  --color-bg-base: #f7f8fc;
  --color-bg-elevated: rgba(255, 255, 255, 0.92);
  --color-bg-surface: rgba(255, 255, 255, 0.7);
  --color-bg-glass: rgba(0, 0, 0, 0.025);
  --color-bg-glass-hover: rgba(0, 0, 0, 0.05);

  --color-text-primary: rgba(15, 23, 42, 0.95);
  --color-text-secondary: rgba(15, 23, 42, 0.65);
  --color-text-muted: rgba(15, 23, 42, 0.4);

  --color-border: rgba(15, 23, 42, 0.08);

  --ui-bg: #f7f8fc;
  --ui-surface: rgba(255, 255, 255, 0.95);
  --ui-border: rgba(15, 23, 42, 0.08);
  --ui-border-hover: rgba(37, 99, 235, 0.35);
  --ui-text: rgba(15, 23, 42, 0.95);
  --ui-text-muted: rgba(15, 23, 42, 0.55);
  --ui-accent: #2563eb;
  --ui-accent-soft: rgba(37, 99, 235, 0.08);
  --ui-shadow: 0 4px 20px rgba(15, 23, 42, 0.06), 0 1px 3px rgba(15, 23, 42, 0.04);

  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 4px 12px rgba(15, 23, 42, 0.06), 0 1px 3px rgba(15, 23, 42, 0.03);
  --shadow-lg: 0 10px 30px rgba(15, 23, 42, 0.08), 0 2px 8px rgba(15, 23, 42, 0.04);
  --shadow-xl: 0 20px 50px rgba(15, 23, 42, 0.1), 0 4px 12px rgba(15, 23, 42, 0.05);

  --gradient-primary: linear-gradient(135deg, #2563eb, #4f46e5);
  --gradient-surface: linear-gradient(180deg, rgba(255,255,255,0.6), rgba(255,255,255,0.3));

  --glass-blur: blur(12px);
  --glass-saturate: saturate(120%);
}

/* ---- Light-theme auth overlay ---- */
body.light-theme .auth-overlay {
  background: rgba(247, 248, 252, 0.98);
}

body.light-theme .auth-card {
  background: rgba(255, 255, 255, 0.95);
  border-color: rgba(15, 23, 42, 0.1);
}

body.light-theme .auth-subtitle {
  color: rgba(15, 23, 42, 0.55);
}

body.light-theme .auth-btn {
  color: #fff;
}

body.light-theme .auth-spinner {
  border-color: rgba(15, 23, 42, 0.1);
  border-top-color: var(--ui-accent);
}

body.light-theme #authLoadingText {
  color: rgba(15, 23, 42, 0.55);
}

/* ============================================================
   BASE RESET
   ============================================================ */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  padding: 0;
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-normal);
  line-height: var(--line-height-base);
  color: var(--ui-text);
  background-color: var(--ui-bg);
  min-height: 100vh;
}

/* ============================================================
   GLASS CARD
   ============================================================ */
.glass-card {
  background: var(--ui-surface);
  border: 1px solid var(--ui-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  backdrop-filter: var(--glass-backdrop);
  -webkit-backdrop-filter: var(--glass-backdrop);
  transition:
    box-shadow var(--transition-base),
    border-color var(--transition-base),
    transform var(--transition-base);
}

/* ============================================================
   UTILITIES
   ============================================================ */
.hidden {
  display: none !important;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

:focus-visible {
  outline: 2px solid var(--ui-accent);
  outline-offset: 2px;
}

::selection {
  background: var(--ui-accent-soft);
  color: var(--ui-text);
}

/* ============================================================
   SCROLLBAR (Webkit)
   ============================================================ */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

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

::-webkit-scrollbar-thumb:hover {
  background: var(--ui-text-muted);
}

/* ============================================================
   AUTH OVERLAY — Premium Overrides
   Cascades over inline page styles (snippet loads after <style>)
   ============================================================ */
.auth-overlay {
  background: rgba(11, 15, 25, 0.98);
}

.auth-card {
  background: var(--ui-surface);
  border-color: var(--ui-border);
  backdrop-filter: var(--glass-backdrop);
  -webkit-backdrop-filter: var(--glass-backdrop);
  font-family: var(--font-family);
}

.auth-title {
  font-family: var(--font-display);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.auth-subtitle {
  color: var(--ui-text-muted);
}

.auth-btn {
  background: var(--gradient-primary);
  color: #fff;
  font-family: var(--font-family);
  border-radius: var(--radius-md);
  transition: opacity var(--transition-base), transform var(--transition-fast);
}

.auth-btn:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

.auth-spinner {
  border-color: var(--ui-border);
  border-top-color: var(--ui-accent);
}

#authLoadingText {
  color: var(--ui-text-muted);
  font-family: var(--font-family);
}

/* ============================================================
   KEYFRAME ANIMATIONS
   ============================================================ */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

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

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}