/**
 * UUPM (UI UX PRO MAX) DESIGN SYSTEM
 * Master CSS Variables, Foundations, Typography & Dark Mode
 * Standard Prefix: --ds-
 */

/* ==========================================================================
   1. MASTER DESIGN TOKENS (:root - Light Theme)
   ========================================================================== */
:root {
  /* Brand Palettes */
  --ds-color-primary: #1e40af;          /* Deep institutional Navy */
  --ds-color-primary-hover: #172554;    /* Navy dark hover */
  --ds-color-primary-light: #eff6ff;    /* 10% Navy tint */
  --ds-color-primary-contrast: #ffffff;

  --ds-color-secondary: #d97706;        /* Deep Gold / Amber */
  --ds-color-secondary-hover: #b45309;
  --ds-color-secondary-light: #fffbeb;
  --ds-color-secondary-contrast: #ffffff;

  /* Neutral Slate Grayscale */
  --ds-color-slate-50: #f8fafc;
  --ds-color-slate-100: #f1f5f9;
  --ds-color-slate-200: #e2e8f0;
  --ds-color-slate-300: #cbd5e1;
  --ds-color-slate-400: #94a3b8;
  --ds-color-slate-500: #64748b;
  --ds-color-slate-600: #475569;
  --ds-color-slate-700: #334155;
  --ds-color-slate-800: #1e293b;
  --ds-color-slate-900: #0f172a;

  /* Surfaces & Backgrounds (Light) */
  --ds-bg-app: #f8fafc;
  --ds-bg-surface: #ffffff;
  --ds-bg-surface-elevated: #ffffff;
  --ds-bg-muted: #f1f5f9;
  --ds-bg-hover: #f1f5f9;
  --ds-bg-sidebar: #0f172a;
  --ds-bg-sidebar-hover: rgba(255, 255, 255, 0.06);
  --ds-bg-topbar: #ffffff;

  /* Text & Typography (Light) */
  --ds-text-primary: #0f172a;
  --ds-text-body: #334155;
  --ds-text-muted: #64748b;
  --ds-text-subtle: #94a3b8;
  --ds-text-on-dark: #f8fafc;
  --ds-text-on-primary: #ffffff;

  /* Borders & Dividers (Light) */
  --ds-border-subtle: #f1f5f9;
  --ds-border-default: #e2e8f0;
  --ds-border-strong: #cbd5e1;
  --ds-border-focus: #1e40af;

  /* Semantic Status Palettes */
  --ds-color-success: #10b981;
  --ds-color-success-light: #ecfdf5;
  --ds-color-success-text: #065f46;

  --ds-color-warning: #f59e0b;
  --ds-color-warning-light: #fffbeb;
  --ds-color-warning-text: #92400e;

  --ds-color-danger: #ef4444;
  --ds-color-danger-light: #fef2f2;
  --ds-color-danger-text: #991b1b;

  --ds-color-info: #0284c7;
  --ds-color-info-light: #f0f9ff;
  --ds-color-info-text: #075985;

  /* Spacing Scale (8px Grid) */
  --ds-space-1: 0.25rem;   /* 4px */
  --ds-space-2: 0.5rem;    /* 8px */
  --ds-space-3: 0.75rem;   /* 12px */
  --ds-space-4: 1.0rem;    /* 16px */
  --ds-space-5: 1.25rem;   /* 20px */
  --ds-space-6: 1.5rem;    /* 24px */
  --ds-space-8: 2.0rem;    /* 32px */
  --ds-space-10: 2.5rem;   /* 40px */
  --ds-space-12: 3.0rem;   /* 48px */
  --ds-space-16: 4.0rem;   /* 64px */

  /* Border Radius */
  --ds-radius-none: 0;
  --ds-radius-xs: 4px;
  --ds-radius-sm: 6px;
  --ds-radius-md: 8px;
  --ds-radius-lg: 12px;
  --ds-radius-xl: 16px;
  --ds-radius-full: 9999px;

  /* Elevation & Shadows (Light) */
  --ds-shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.04);
  --ds-shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.08), 0 1px 2px -1px rgba(0, 0, 0, 0.06);
  --ds-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --ds-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
  --ds-shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.08), 0 8px 10px -6px rgba(0, 0, 0, 0.04);
  --ds-shadow-focus: 0 0 0 3px rgba(30, 64, 175, 0.22);

  /* Typography Scale */
  --ds-font-family-base: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --ds-font-family-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  --ds-font-size-xs: 0.75rem;    /* 12px */
  --ds-font-size-sm: 0.875rem;   /* 14px */
  --ds-font-size-base: 1.0rem;   /* 16px */
  --ds-font-size-lg: 1.125rem;   /* 18px */
  --ds-font-size-xl: 1.25rem;    /* 20px */
  --ds-font-size-2xl: 1.5rem;    /* 24px */
  --ds-font-size-3xl: 1.875rem;  /* 30px */
  --ds-font-size-4xl: 2.25rem;   /* 36px */

  --ds-font-weight-regular: 400;
  --ds-font-weight-medium: 500;
  --ds-font-weight-semibold: 600;
  --ds-font-weight-bold: 700;

  --ds-line-height-tight: 1.25;
  --ds-line-height-normal: 1.5;
  --ds-line-height-relaxed: 1.625;

  /* Transitions */
  --ds-transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --ds-transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
  --ds-transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);

  /* Z-Index Hierarchy */
  --ds-z-dropdown: 1000;
  --ds-z-sticky: 1020;
  --ds-z-fixed: 1030;
  --ds-z-offcanvas-backdrop: 1040;
  --ds-z-offcanvas: 1045;
  --ds-z-modal-backdrop: 1050;
  --ds-z-modal: 1055;
  --ds-z-toast: 1090;
  --ds-z-tooltip: 1100;

  /* Layout Widths */
  --ds-sidebar-width: 260px;
  --ds-sidebar-collapsed-width: 72px;
  --ds-topbar-height: 64px;
  --ds-container-max-width: 1440px;
}

/* ==========================================================================
   2. DARK THEME TOKENS OVERRIDE ([data-theme="dark"])
   ========================================================================== */
[data-theme="dark"],
html[data-theme="dark"] {
  /* Brand Accents in Dark Mode */
  --ds-color-primary: #3b82f6;          /* Brighter Blue for high contrast */
  --ds-color-primary-hover: #60a5fa;
  --ds-color-primary-light: rgba(59, 130, 246, 0.18);
  --ds-color-primary-contrast: #ffffff;

  --ds-color-secondary: #fbbf24;        /* Radiant Gold */
  --ds-color-secondary-hover: #f59e0b;
  --ds-color-secondary-light: rgba(245, 158, 11, 0.18);
  --ds-color-secondary-contrast: #0f172a;

  /* Surfaces & Backgrounds (Dark) */
  --ds-bg-app: #0b1120;                 /* Deep Midnight Navy */
  --ds-bg-surface: #151d2f;             /* Elevated Navy Slate */
  --ds-bg-surface-elevated: #1e293b;    /* Slate 800 */
  --ds-bg-muted: #1e293b;
  --ds-bg-hover: rgba(255, 255, 255, 0.04);
  --ds-bg-sidebar: #090d16;
  --ds-bg-sidebar-hover: rgba(255, 255, 255, 0.08);
  --ds-bg-topbar: #151d2f;

  /* Text & Typography (Dark) */
  --ds-text-primary: #f8fafc;
  --ds-text-body: #cbd5e1;
  --ds-text-muted: #94a3b8;
  --ds-text-subtle: #64748b;
  --ds-text-on-dark: #f8fafc;
  --ds-text-on-primary: #ffffff;

  /* Borders & Dividers (Dark) */
  --ds-border-subtle: #1e293b;
  --ds-border-default: #25334c;
  --ds-border-strong: #334155;
  --ds-border-focus: #3b82f6;

  /* Semantic Status Palettes (Dark Tints) */
  --ds-color-success: #34d399;
  --ds-color-success-light: rgba(16, 185, 129, 0.18);
  --ds-color-success-text: #a7f3d0;

  --ds-color-warning: #fbbf24;
  --ds-color-warning-light: rgba(245, 158, 11, 0.18);
  --ds-color-warning-text: #fde68a;

  --ds-color-danger: #f87171;
  --ds-color-danger-light: rgba(239, 68, 68, 0.18);
  --ds-color-danger-text: #fecaca;

  --ds-color-info: #38bdf8;
  --ds-color-info-light: rgba(2, 132, 199, 0.18);
  --ds-color-info-text: #bae6fd;

  /* Elevation & Shadows (Dark) */
  --ds-shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.35);
  --ds-shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.45);
  --ds-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.55);
  --ds-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.65);
  --ds-shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.75);
  --ds-shadow-focus: 0 0 0 3px rgba(59, 130, 246, 0.35);
}

/* ==========================================================================
   3. GLOBAL FOUNDATIONS & RESET REFINEMENTS
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--ds-font-family-base);
  font-size: var(--ds-font-size-sm);
  line-height: var(--ds-line-height-normal);
  color: var(--ds-text-body);
  background-color: var(--ds-bg-app);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background-color var(--ds-transition-base), color var(--ds-transition-base);
}

/* Headings */
h1, h2, h3, h4, h5, h6,
.h1, .h2, .h3, .h4, .h5, .h6 {
  color: var(--ds-text-primary);
  font-weight: var(--ds-font-weight-semibold);
  line-height: var(--ds-line-height-tight);
  margin-top: 0;
  margin-bottom: var(--ds-space-2);
}

h1, .h1 { font-size: var(--ds-font-size-4xl); font-weight: var(--ds-font-weight-bold); }
h2, .h2 { font-size: var(--ds-font-size-3xl); font-weight: var(--ds-font-weight-bold); }
h3, .h3 { font-size: var(--ds-font-size-2xl); font-weight: var(--ds-font-weight-bold); }
h4, .h4 { font-size: var(--ds-font-size-xl); font-weight: var(--ds-font-weight-semibold); }
h5, .h5 { font-size: var(--ds-font-size-lg); font-weight: var(--ds-font-weight-semibold); }
h6, .h6 { font-size: var(--ds-font-size-sm); font-weight: var(--ds-font-weight-semibold); letter-spacing: 0.3px; }

/* Links */
a {
  color: var(--ds-color-primary);
  text-decoration: none;
  transition: color var(--ds-transition-fast);
}

a:hover {
  color: var(--ds-color-primary-hover);
}

/* Accessible Focus States */
:focus-visible {
  outline: none !important;
  box-shadow: var(--ds-shadow-focus) !important;
}

/* ==========================================================================
   4. BOOTSTRAP AUTO-THEMING OVERRIDES (Seamless compatibility)
   ========================================================================== */
/* Cards */
.card, .custom-card {
  background-color: var(--ds-bg-surface) !important;
  border: 1px solid var(--ds-border-default) !important;
  border-radius: var(--ds-radius-lg) !important;
  box-shadow: var(--ds-shadow-sm) !important;
  color: var(--ds-text-body) !important;
  transition: background-color var(--ds-transition-base), border-color var(--ds-transition-base), box-shadow var(--ds-transition-base);
}

.card-header, .custom-card-header {
  background-color: var(--ds-bg-surface) !important;
  border-bottom: 1px solid var(--ds-border-subtle) !important;
  color: var(--ds-text-primary) !important;
}

.card-footer {
  background-color: var(--ds-bg-surface) !important;
  border-top: 1px solid var(--ds-border-subtle) !important;
  color: var(--ds-text-muted) !important;
}

/* Modals */
.modal-content {
  background-color: var(--ds-bg-surface) !important;
  border: 1px solid var(--ds-border-default) !important;
  border-radius: var(--ds-radius-xl) !important;
  box-shadow: var(--ds-shadow-xl) !important;
  color: var(--ds-text-body) !important;
}

.modal-header {
  border-bottom: 1px solid var(--ds-border-subtle) !important;
  color: var(--ds-text-primary) !important;
}

.modal-footer {
  background-color: var(--ds-bg-muted) !important;
  border-top: 1px solid var(--ds-border-subtle) !important;
}

/* Dropdowns */
.dropdown-menu {
  background-color: var(--ds-bg-surface-elevated) !important;
  border: 1px solid var(--ds-border-default) !important;
  border-radius: var(--ds-radius-md) !important;
  box-shadow: var(--ds-shadow-lg) !important;
  color: var(--ds-text-body) !important;
}

.dropdown-item {
  color: var(--ds-text-body) !important;
  transition: background-color var(--ds-transition-fast), color var(--ds-transition-fast);
}

.dropdown-item:hover, .dropdown-item:focus {
  background-color: var(--ds-bg-hover) !important;
  color: var(--ds-color-primary) !important;
}

.dropdown-divider {
  border-color: var(--ds-border-subtle) !important;
}

/* Form Controls */
.form-control, .form-select {
  background-color: var(--ds-bg-surface) !important;
  border: 1px solid var(--ds-border-default) !important;
  color: var(--ds-text-body) !important;
  border-radius: var(--ds-radius-md) !important;
  font-size: var(--ds-font-size-sm) !important;
  padding: 0.5rem 0.75rem !important;
  transition: border-color var(--ds-transition-fast), box-shadow var(--ds-transition-fast);
}

.form-control:focus, .form-select:focus {
  border-color: var(--ds-border-focus) !important;
  box-shadow: var(--ds-shadow-focus) !important;
}

.form-control::placeholder {
  color: var(--ds-text-subtle) !important;
}

.form-label {
  color: var(--ds-text-primary) !important;
  font-weight: var(--ds-font-weight-medium);
  font-size: var(--ds-font-size-sm);
  margin-bottom: var(--ds-space-1);
}

.input-group-text {
  background-color: var(--ds-bg-muted) !important;
  border: 1px solid var(--ds-border-default) !important;
  color: var(--ds-text-muted) !important;
}

/* Tables */
.table {
  color: var(--ds-text-body) !important;
  border-color: var(--ds-border-default) !important;
}

.table > :not(caption) > * > * {
  background-color: transparent !important;
  border-bottom-color: var(--ds-border-default) !important;
}

.table th, .custom-table th {
  background-color: var(--ds-bg-muted) !important;
  color: var(--ds-text-primary) !important;
  font-weight: var(--ds-font-weight-semibold) !important;
  border-bottom: 2px solid var(--ds-border-default) !important;
}

.table-hover > tbody > tr:hover > * {
  background-color: var(--ds-bg-hover) !important;
}

/* Topbar & Navbar Automatic Adaptation */
#top-nav {
  background-color: var(--ds-bg-topbar) !important;
  border-bottom: 1px solid var(--ds-border-default) !important;
  color: var(--ds-text-primary) !important;
}

#systemFooter {
  background-color: var(--ds-bg-surface) !important;
  border-top: 1px solid var(--ds-border-default) !important;
  color: var(--ds-text-muted) !important;
}

/* ==========================================================================
   5. UUPM (UI UX PRO MAX) VISUAL EFFECTS & UTILITY STYLES
   ========================================================================== */

/* Gradient Text Effect */
.gradient-text {
  background: linear-gradient(135deg, #2563eb 0%, #3b82f6 45%, #f97316 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: inline-block;
}

[data-theme="dark"] .gradient-text {
  background: linear-gradient(135deg, #60a5fa 0%, #93c5fd 50%, #fb923c 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.gradient-text-blue {
  background: linear-gradient(135deg, #1e40af 0%, #3b82f6 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

[data-theme="dark"] .gradient-text-blue {
  background: linear-gradient(135deg, #38bdf8 0%, #818cf8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Glassmorphism Cards */
.glass-card {
  background: rgba(255, 255, 255, 0.75);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(226, 232, 240, 0.8);
  border-radius: var(--ds-radius-lg);
  box-shadow: 0 8px 24px -4px rgba(15, 23, 42, 0.06), 0 2px 6px -1px rgba(15, 23, 42, 0.04);
}

[data-theme="dark"] .glass-card {
  background: rgba(15, 23, 42, 0.7);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 12px 32px -4px rgba(0, 0, 0, 0.45);
}

.glass-card-hover {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(226, 232, 240, 0.8);
  border-radius: var(--ds-radius-lg);
  box-shadow: var(--ds-shadow-sm);
  transition: transform var(--ds-transition-base), box-shadow var(--ds-transition-base), border-color var(--ds-transition-base);
}

.glass-card-hover:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 32px -8px rgba(15, 23, 42, 0.12);
  border-color: rgba(59, 130, 246, 0.35);
}

[data-theme="dark"] .glass-card-hover {
  background: rgba(21, 29, 47, 0.75);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

[data-theme="dark"] .glass-card-hover:hover {
  transform: translateY(-3px);
  box-shadow: 0 18px 36px -6px rgba(0, 0, 0, 0.65);
  border-color: rgba(96, 165, 250, 0.35);
}

/* Ambient Aurora Mesh & Floating Glow */
.aurora-bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 0;
  background-image: 
    radial-gradient(at 0% 0%, rgba(37, 99, 235, 0.18) 0, transparent 50%),
    radial-gradient(at 100% 0%, rgba(249, 115, 22, 0.14) 0, transparent 50%),
    radial-gradient(at 50% 100%, rgba(59, 130, 246, 0.12) 0, transparent 50%);
}

[data-theme="dark"] .aurora-bg,
.login-body .aurora-bg {
  background-image: 
    radial-gradient(at 15% 15%, rgba(37, 99, 235, 0.28) 0, transparent 50%),
    radial-gradient(at 85% 20%, rgba(249, 115, 22, 0.22) 0, transparent 45%),
    radial-gradient(at 50% 90%, rgba(139, 92, 246, 0.2) 0, transparent 50%);
}

.ambient-orb {
  position: absolute;
  border-radius: 9999px;
  filter: blur(72px);
  pointer-events: none;
  opacity: 0.65;
  animation: floatOrb 12s ease-in-out infinite alternate;
}

.ambient-orb-1 {
  width: 320px;
  height: 320px;
  background: rgba(37, 99, 235, 0.25);
  top: 10%;
  left: 10%;
}

.ambient-orb-2 {
  width: 280px;
  height: 280px;
  background: rgba(249, 115, 22, 0.2);
  bottom: 12%;
  right: 12%;
  animation-delay: -5s;
}

@keyframes floatOrb {
  0% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(30px, 20px) scale(1.08); }
  100% { transform: translate(-20px, -25px) scale(0.95); }
}

/* Modern Pill Badges */
.ds-badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.25rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 9999px;
  line-height: 1;
}

.ds-badge-pill-primary {
  background: rgba(37, 99, 235, 0.1);
  color: #2563eb;
  border: 1px solid rgba(37, 99, 235, 0.2);
}

[data-theme="dark"] .ds-badge-pill-primary {
  background: rgba(59, 130, 246, 0.18);
  color: #60a5fa;
  border-color: rgba(59, 130, 246, 0.3);
}

.ds-badge-pill-success {
  background: rgba(16, 185, 129, 0.1);
  color: #059669;
  border: 1px solid rgba(16, 185, 129, 0.2);
}

[data-theme="dark"] .ds-badge-pill-success {
  background: rgba(16, 185, 129, 0.18);
  color: #34d399;
  border-color: rgba(16, 185, 129, 0.3);
}

.ds-badge-pill-warning {
  background: rgba(245, 158, 11, 0.1);
  color: #d97706;
  border: 1px solid rgba(245, 158, 11, 0.2);
}

[data-theme="dark"] .ds-badge-pill-warning {
  background: rgba(245, 158, 11, 0.18);
  color: #fbbf24;
  border-color: rgba(245, 158, 11, 0.3);
}

/* ==========================================================================
   6. ACCESSIBILITY & PREFERS-REDUCED-MOTION
   ========================================================================== */
@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;
  }
}