/**
 * BoxStory Brand Kit - Light Elegance Design System
 *
 * SINGLE SOURCE OF TRUTH for all brand colors and styles.
 * Clean light theme with subtle shadows and gradient accents.
 *
 * Version: 3.1 - Light Elegance
 * Updated: 2025-12-13
 *
 * Design Pattern: Light Elegance
 * - Light/White backgrounds
 * - Navy for text and accents
 * - Aqua/Teal primary accent
 * - Coral secondary accent
 * - Clean cards with subtle shadows
 * - Gradient accents for CTAs
 *
 * Color Distribution:
 * - White/Light (#ffffff, #f8f9fa): 70-80% backgrounds
 * - Navy (#1e3a5f): 10-15% text/headers
 * - Aqua (#66c7be): 5-10% primary actions/interactive
 * - Coral (#ef3f42): 2-5% accent CTAs/highlights
 */

/* ============================================================================
   CSS CUSTOM PROPERTIES - Light Elegance Theme
   ============================================================================ */

:root {
  /* ========== PRIMARY BRAND COLORS ========== */
  --color-white: #ffffff;
  --color-gray-50: #f8f9fa;
  --color-gray-100: #f1f5f9;
  --color-gray-200: #e2e8f0;
  --color-gray-300: #cbd5e1;
  --color-gray-400: #94a3b8;
  --color-gray-500: #64748b;
  --color-gray-600: #475569;
  --color-gray-700: #334155;
  --color-gray-800: #1e293b;
  --color-gray-900: #0f172a;

  /* Legacy color names */
  --color-black: #212529;
  --color-light: #f8f9fa;

  /* Brand accent colors */
  --color-navy: #1e3a5f;
  --color-aqua: #66c7be;
  --color-coral: #ef3f42;

  /* ========== EXTENDED COLOR PALETTE ========== */

  /* Navy Variations */
  --color-navy-dark: #0a1a2e;
  --color-navy-light: #2d4a6e;
  --color-navy-lighter: #3d5a7e;

  /* Aqua/Teal Variations */
  --color-aqua-dark: #4da89f;
  --color-aqua-light: #7dd6ce;
  --color-aqua-lighter: #a8e6e0;
  --color-aqua-lightest: rgba(102, 199, 190, 0.1);
  --color-aqua-glow: rgba(102, 199, 190, 0.2);

  /* Coral/Red Variations */
  --color-coral-dark: #d12f32;
  --color-coral-light: #f25456;
  --color-coral-lighter: #f78587;
  --color-coral-lightest: rgba(239, 63, 66, 0.1);
  --color-coral-glow: rgba(239, 63, 66, 0.2);

  /* ========== TEXT COLORS (Dark on Light) ========== */
  --text-primary: var(--color-gray-900);
  --text-secondary: var(--color-gray-600);
  --text-muted: var(--color-gray-500);
  --text-light: var(--color-gray-400);
  --text-white: var(--color-white);
  --text-heading: var(--color-navy);
  --text-body: var(--color-gray-700);
  --text-inverse: var(--color-white);

  /* ========== BACKGROUND COLORS ========== */
  --bg-primary: var(--color-gray-50);
  --bg-secondary: var(--color-white);
  --bg-tertiary: var(--color-gray-100);
  --bg-elevated: var(--color-white);
  --bg-card: var(--color-white);
  --bg-card-hover: var(--color-gray-50);
  --bg-glass: rgba(255, 255, 255, 0.9);
  --bg-dark: var(--color-navy);
  --bg-light: var(--color-gray-50);
  --bg-accent: var(--color-aqua-lightest);
  --bg-white: var(--color-white);
  --bg-input: var(--color-white);
  --bg-hover: var(--color-gray-100);

  /* ========== BORDER COLORS ========== */
  --border-primary: var(--color-gray-200);
  --border-secondary: var(--color-gray-300);
  --border-light: var(--color-gray-200);
  --border-medium: var(--color-gray-300);
  --border-dark: var(--color-gray-400);
  --border-glow-aqua: var(--color-aqua);
  --border-glow-coral: var(--color-coral);

  /* ========== SEMANTIC COLORS ========== */
  --semantic-success: #10b981;
  --semantic-success-light: rgba(16, 185, 129, 0.1);
  --semantic-warning: #f59e0b;
  --semantic-warning-light: rgba(245, 158, 11, 0.1);
  --semantic-error: #ef4444;
  --semantic-error-light: rgba(239, 68, 68, 0.1);
  --semantic-info: #3b82f6;
  --semantic-info-light: rgba(59, 130, 246, 0.1);

  --color-success: var(--semantic-success);
  --color-warning: var(--semantic-warning);
  --color-danger: var(--semantic-error);
  --color-info: var(--semantic-info);

  /* ========== GRADIENT DEFINITIONS ========== */
  --gradient-primary: linear-gradient(135deg, var(--color-aqua) 0%, var(--color-aqua-dark) 100%);
  --gradient-accent: linear-gradient(135deg, var(--color-coral) 0%, var(--color-coral-dark) 100%);
  --gradient-dark: linear-gradient(135deg, var(--color-navy) 0%, var(--color-navy-dark) 100%);
  --gradient-glass: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(248, 249, 250, 0.95) 100%);
  --gradient-hero: linear-gradient(135deg, var(--color-navy) 0%, var(--color-navy-light) 50%, var(--color-aqua-dark) 100%);
  --gradient-card: linear-gradient(145deg, var(--color-white) 0%, var(--color-gray-50) 100%);
  --gradient-border: linear-gradient(135deg, var(--color-aqua) 0%, var(--color-coral) 100%);
  --gradient-text-glow: linear-gradient(135deg, var(--color-aqua) 0%, var(--color-aqua-dark) 100%);
  --gradient-navy-aqua: linear-gradient(135deg, var(--color-navy) 0%, var(--color-aqua) 100%);
  --gradient-aqua-navy: linear-gradient(135deg, var(--color-aqua) 0%, var(--color-navy) 100%);
  --gradient-secondary: linear-gradient(135deg, var(--color-gray-100) 0%, var(--color-gray-200) 100%);

  /* ========== SHADOW SYSTEM ========== */
  --shadow-sm: 0 0.0625rem 0.125rem rgba(0, 0, 0, 0.05);
  --shadow-md: 0 0.25rem 0.375rem rgba(0, 0, 0, 0.07);
  --shadow-lg: 0 0.625rem 0.9375rem rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 1.25rem 1.5625rem rgba(0, 0, 0, 0.1);
  --shadow-glow-aqua: 0 0 0.9375rem rgba(102, 199, 190, 0.3);
  --shadow-glow-coral: 0 0 0.9375rem rgba(239, 63, 66, 0.3);
  --shadow-inner: inset 0 0.125rem 0.25rem rgba(0, 0, 0, 0.05);
  --shadow-card: 0 0.125rem 0.5rem rgba(0, 0, 0, 0.08);
  --shadow-card-hover: 0 0.5rem 1.5625rem rgba(0, 0, 0, 0.12);

  /* ========== GLASSMORPHISM (Light version) ========== */
  --glass-bg: rgba(255, 255, 255, 0.8);
  --glass-border: rgba(0, 0, 0, 0.1);
  --glass-blur: blur(0.75rem);
  --glass-blur-heavy: blur(1.25rem);

  /* ========== SPACING SCALE ========== */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;

  /* ========== BORDER RADIUS ========== */
  --radius-sm: 0.375rem;
  --radius-md: 0.625rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-full: 624.938rem;

  /* ========== TRANSITIONS ========== */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;
  --transition-bounce: 400ms cubic-bezier(0.68, -0.55, 0.265, 1.55);

  /* ========== TYPOGRAPHY ========== */
  --font-sans: 'Inter', 'Poppins', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* ========== NEUTRAL SURFACES & ICONOGRAPHY ========== */
  --surface-placeholder: var(--color-slate-700);
  --icon-muted: var(--color-slate-500);
  --icon-soft: var(--color-slate-400);
  --icon-light: var(--color-slate-300);
  --icon-star: #fbbf24;
  --icon-star-muted: var(--color-slate-600);
}

/* ============================================================================
   BASE STYLES - Dark Theme Foundation
   ============================================================================ */

body {
  background: var(--bg-primary);
  color: var(--text-body);
  font-family: var(--font-sans);
  line-height: 1.6;
}

/* Scrollbar styling for dark theme */
::-webkit-scrollbar {
  width: 0.625rem;
  height: 0.625rem;
}

::-webkit-scrollbar-track {
  background: var(--color-slate-900);
}

::-webkit-scrollbar-thumb {
  background: var(--color-slate-600);
  border-radius: var(--radius-full);
  border: 0.125rem solid var(--color-slate-900);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-aqua);
}

/* Selection styling */
::selection {
  background: var(--color-aqua);
  color: var(--color-slate-900);
}

/* ============================================================================
   BUTTON STYLES - Dark Elegance
   ============================================================================ */

.btn {
  font-weight: 600;
  border-radius: var(--radius-md);
  padding: 0.625rem 1.25rem;
  transition: all var(--transition-base);
  border: none;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

/* Primary Button - Aqua gradient with glow */
.btn-primary,
.btn-cta {
  background: var(--gradient-primary) !important;
  color: var(--color-slate-900) !important;
  border: none !important;
  font-weight: 700;
  box-shadow: var(--shadow-md);
}

.btn-primary:hover,
.btn-cta:hover,
.btn-primary:focus,
.btn-cta:focus {
  transform: translateY(-0.125rem);
  box-shadow: var(--shadow-glow-aqua), var(--shadow-lg) !important;
  color: var(--color-slate-900) !important;
}

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

/* Secondary Button - Glass effect with border */
.btn-secondary,
.btn-navy {
  background: var(--glass-bg) !important;
  color: var(--text-primary) !important;
  border: 0.0625rem solid var(--border-light) !important;
  backdrop-filter: var(--glass-blur);
}

.btn-secondary:hover,
.btn-navy:hover,
.btn-secondary:focus,
.btn-navy:focus {
  background: var(--bg-card-hover) !important;
  border-color: var(--color-aqua) !important;
  color: var(--color-aqua) !important;
  transform: translateY(-0.125rem);
}

/* Accent Button - Coral gradient */
.btn-accent {
  background: var(--gradient-accent) !important;
  color: var(--color-white) !important;
  border: none !important;
  font-weight: 700;
}

.btn-accent:hover,
.btn-accent:focus,
.btn-accent:active {
  transform: translateY(-0.125rem) scale(1.02);
  box-shadow: var(--shadow-glow-coral), var(--shadow-lg) !important;
  color: var(--color-white) !important;
}

/* Success Button */
.btn-success {
  background: var(--semantic-success) !important;
  color: var(--color-slate-900) !important;
  border: none !important;
}

.btn-success:hover,
.btn-success:focus {
  opacity: 0.9;
  transform: translateY(-0.125rem);
  box-shadow: 0 0 1.25rem rgba(16, 185, 129, 0.4) !important;
}

/* Danger Button */
.btn-danger,
.btn-error {
  background: var(--semantic-error) !important;
  color: var(--color-white) !important;
  border: none !important;
}

.btn-danger:hover,
.btn-error:hover,
.btn-danger:focus,
.btn-error:focus {
  opacity: 0.9;
  transform: translateY(-0.125rem);
  box-shadow: 0 0 1.25rem rgba(239, 68, 68, 0.4) !important;
}

/* Warning Button */
.btn-warning {
  background: var(--semantic-warning) !important;
  color: var(--color-slate-900) !important;
  border: none !important;
}

.btn-warning:hover,
.btn-warning:focus {
  transform: translateY(-0.125rem);
  box-shadow: 0 0 1.25rem rgba(245, 158, 11, 0.4) !important;
}

/* Info Button */
.btn-info {
  background: var(--semantic-info) !important;
  color: var(--color-white) !important;
  border: none !important;
}

.btn-info:hover,
.btn-info:focus {
  transform: translateY(-0.125rem);
  box-shadow: 0 0 1.25rem rgba(59, 130, 246, 0.4) !important;
}

/* Light Button - Glass style */
.btn-light {
  background: var(--glass-bg) !important;
  border: 0.0625rem solid var(--border-light) !important;
  color: var(--text-primary) !important;
  backdrop-filter: var(--glass-blur);
}

.btn-light:hover,
.btn-light:focus {
  background: var(--bg-card-hover) !important;
  border-color: var(--border-secondary) !important;
}

/* Dark Button */
.btn-dark {
  background: var(--color-slate-900) !important;
  border: 0.0625rem solid var(--color-aqua) !important;
  color: var(--color-aqua) !important;
}

.btn-dark:hover,
.btn-dark:focus {
  background: var(--color-aqua) !important;
  color: var(--color-slate-900) !important;
  box-shadow: var(--shadow-glow-aqua) !important;
}

/* Outline Buttons */
.btn-outline-primary {
  background: transparent !important;
  color: var(--color-aqua) !important;
  border: 0.125rem solid var(--color-aqua) !important;
}

.btn-outline-primary:hover,
.btn-outline-primary:focus {
  background: var(--color-aqua) !important;
  color: var(--color-slate-900) !important;
  box-shadow: var(--shadow-glow-aqua) !important;
}

.btn-outline-accent {
  background: transparent !important;
  color: var(--color-coral) !important;
  border: 0.125rem solid var(--color-coral) !important;
}

.btn-outline-accent:hover,
.btn-outline-accent:focus {
  background: var(--color-coral) !important;
  color: var(--color-white) !important;
  box-shadow: var(--shadow-glow-coral) !important;
}

.btn-outline-secondary {
  background: transparent !important;
  color: var(--text-secondary) !important;
  border: 0.0625rem solid var(--border-light) !important;
}

.btn-outline-secondary:hover,
.btn-outline-secondary:focus {
  background: var(--glass-bg) !important;
  border-color: var(--color-aqua) !important;
  color: var(--color-aqua) !important;
}

/* Link Button */
.btn-link {
  background: transparent !important;
  color: var(--color-aqua) !important;
  border: none !important;
  padding: 0;
  text-decoration: none;
}

.btn-link:hover,
.btn-link:focus {
  color: var(--color-aqua-light) !important;
  text-decoration: underline;
}

/* ============================================================================
   NAVIGATION BAR - Dark Glass Style
   ============================================================================ */

.navbar {
  background: var(--glass-bg) !important;
  backdrop-filter: var(--glass-blur-heavy);
  border-bottom: 0.0625rem solid var(--border-light);
  box-shadow: var(--shadow-md);
}

/* Brand Navbar */
nav.brand-navbar {
  background: rgba(15, 23, 42, 0.95) !important;
  backdrop-filter: var(--glass-blur-heavy);
  border-bottom: 0.0625rem solid var(--border-light) !important;
  box-shadow: var(--shadow-lg) !important;
}

nav.navbar.brand-navbar {
  --bs-navbar-color: var(--text-secondary);
  --bs-navbar-hover-color: var(--color-aqua);
  --bs-navbar-active-color: var(--color-aqua);
  --bs-navbar-brand-color: var(--color-coral);
  --bs-navbar-brand-hover-color: var(--color-aqua);
}

.brand-navbar .navbar-toggler {
  border: 0.125rem solid var(--color-aqua) !important;
  background: transparent !important;
  padding: 0.75rem;
  border-radius: var(--radius-md);
}

.brand-navbar .navbar-toggler:hover {
  background: var(--color-aqua-lightest) !important;
}

.brand-navbar .navbar-toggler-icon {
  display: none;
}

.brand-navbar .navbar-toggler-bar {
  display: block;
  width: 1.5rem;
  height: 0.1875rem;
  background-color: var(--color-aqua);
  margin: 0.3125rem 0;
  transition: all var(--transition-base);
  border-radius: 0.125rem;
}

.brand-navbar .navbar-toggler[aria-expanded="true"] .navbar-toggler-icon .bar1 {
  transform: rotate(45deg) translateY(0.625rem);
}

.brand-navbar .navbar-toggler[aria-expanded="true"] .navbar-toggler-icon .bar2 {
  opacity: 0;
}

.brand-navbar .navbar-toggler[aria-expanded="true"] .navbar-toggler-icon .bar3 {
  transform: rotate(-45deg) translateY(-0.625rem);
}

.brand-navbar .navbar-brand-large {
  font-size: 1.75rem !important;
  font-weight: 800 !important;
  color: var(--color-coral) !important;
  text-decoration: none !important;
  letter-spacing: -0.03125rem;
}

.brand-navbar .navbar-brand-large:hover {
  color: var(--color-aqua) !important;
}

.brand-navbar .nav-link {
  color: var(--text-secondary) !important;
  font-weight: 600;
  font-size: 0.95rem !important;
  padding: 0.5rem 1rem !important;
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
}

.brand-navbar .nav-link:hover {
  color: var(--color-aqua) !important;
  background: var(--color-aqua-lightest);
}

.brand-navbar .nav-link.active {
  color: var(--color-aqua) !important;
  background: var(--color-aqua-lightest);
  position: relative;
}

.brand-navbar .nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 1.875rem;
  height: 0.1875rem;
  background: var(--color-coral);
  border-radius: var(--radius-full);
}

.navbar-brand {
  color: var(--color-coral) !important;
  font-weight: 800;
}

.navbar-brand:hover {
  color: var(--color-aqua) !important;
}

@media (max-width: 61.9988rem) {
  .brand-navbar .navbar-brand-large {
    font-size: 1.4rem !important;
  }

  .brand-navbar .navbar-collapse {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    margin-top: 1rem;
    padding: 1rem;
    border: 0.0625rem solid var(--border-light);
  }
}

/* ============================================================================
   CARD STYLES - Glassmorphism
   ============================================================================ */

.card,
.panel {
  background: var(--bg-card);
  backdrop-filter: var(--glass-blur);
  border: 0.0625rem solid var(--border-light);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  transition: all var(--transition-base);
  overflow: hidden;
}

.card:hover,
.panel:hover {
  border-color: var(--border-glow-aqua);
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-0.25rem);
}

.card-header {
  background: var(--gradient-glass);
  border-bottom: 0.0625rem solid var(--border-light);
  color: var(--text-heading);
  font-weight: 700;
  padding: 1rem 1.25rem;
}

.card-title,
.card-header .card-title {
  color: var(--text-heading);
  font-weight: 700;
  margin: 0;
}

.card-body {
  color: var(--text-body);
  padding: 1.25rem;
}

.card-footer {
  background: rgba(30, 41, 59, 0.5);
  border-top: 0.0625rem solid var(--border-light);
  padding: 1rem 1.25rem;
}

/* Card with gradient border effect */
.card-gradient-border {
  position: relative;
  background: var(--bg-card);
  border: none;
}

.card-gradient-border::before {
  content: '';
  position: absolute;
  inset: 0;
  padding: 0.125rem;
  background: var(--gradient-border);
  border-radius: var(--radius-lg);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

/* Card Variants */
.card-primary {
  border-left: 0.25rem solid var(--color-aqua);
}

.card-primary .card-header {
  background: var(--color-aqua-lightest);
}

.card-accent {
  border-left: 0.25rem solid var(--color-coral);
}

.card-accent .card-header {
  background: var(--color-coral-lightest);
}

.card-variant-dark {
  background: var(--color-slate-900);
  border-color: var(--color-slate-700);
}

.card-variant-aqua {
  background: var(--gradient-primary);
  color: var(--color-slate-900);
}

.card-variant-coral {
  background: var(--gradient-accent);
  color: var(--color-white);
}

/* Stat Card - Special design */
.stat-card {
  background: var(--bg-card);
  border: 0.0625rem solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 6.25rem;
  height: 6.25rem;
  background: var(--color-aqua);
  opacity: 0.1;
  border-radius: 50%;
  transform: translate(30%, -30%);
}

.stat-card h3 {
  color: var(--color-aqua) !important;
  font-size: 2rem;
  font-weight: 800;
}

.stat-card p {
  color: var(--text-secondary) !important;
  margin: 0;
}

/* ============================================================================
   ALERT STYLES - Dark Theme
   ============================================================================ */

.alert {
  border: none;
  border-radius: var(--radius-lg);
  font-weight: 500;
  backdrop-filter: var(--glass-blur);
  padding: 1rem 1.25rem;
}

.alert-success {
  background: var(--semantic-success-light) !important;
  color: var(--semantic-success) !important;
  border-left: 0.25rem solid var(--semantic-success);
}

.alert-danger,
.alert-error {
  background: var(--semantic-error-light) !important;
  color: var(--semantic-error) !important;
  border-left: 0.25rem solid var(--semantic-error);
}

.alert-warning {
  background: var(--semantic-warning-light) !important;
  color: var(--semantic-warning) !important;
  border-left: 0.25rem solid var(--semantic-warning);
}

.alert-info {
  background: var(--semantic-info-light) !important;
  color: var(--semantic-info) !important;
  border-left: 0.25rem solid var(--semantic-info);
}

.alert-primary {
  background: var(--color-aqua-lightest) !important;
  color: var(--color-aqua) !important;
  border-left: 0.25rem solid var(--color-aqua);
}

.alert-accent {
  background: var(--color-coral-lightest) !important;
  color: var(--color-coral) !important;
  border-left: 0.25rem solid var(--color-coral);
}

/* ============================================================================
   TOAST STYLES
   ============================================================================ */

.toast {
  background: var(--bg-card);
  backdrop-filter: var(--glass-blur-heavy);
  border: 0.0625rem solid var(--border-light);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  color: var(--text-primary);
}

.toast.bg-success {
  background: var(--semantic-success) !important;
  color: var(--color-slate-900) !important;
  border: none;
}

.toast.bg-error,
.toast.bg-danger {
  background: var(--semantic-error) !important;
  color: var(--color-white) !important;
  border: none;
}

.toast.bg-warning {
  background: var(--semantic-warning) !important;
  color: var(--color-slate-900) !important;
  border: none;
}

.toast.bg-info {
  background: var(--semantic-info) !important;
  color: var(--color-white) !important;
  border: none;
}

/* ============================================================================
   FORM STYLES - Dark Glass
   ============================================================================ */

.form-control {
  background: var(--bg-secondary) !important;
  border: 0.0625rem solid var(--border-primary) !important;
  color: var(--text-primary) !important;
  border-radius: var(--radius-md);
  padding: 0.625rem 1rem;
  transition: all var(--transition-base);
}

.form-control:focus {
  background: var(--bg-tertiary) !important;
  border-color: var(--color-aqua) !important;
  box-shadow: 0 0 0 0.1875rem var(--color-aqua-glow) !important;
  color: var(--text-primary) !important;
  outline: none;
}

.form-control::placeholder {
  color: var(--text-muted);
}

.form-control:disabled {
  background: var(--color-slate-800) !important;
  color: var(--text-muted) !important;
  cursor: not-allowed;
}

.form-select {
  background: var(--bg-secondary) !important;
  border: 0.0625rem solid var(--border-primary) !important;
  color: var(--text-primary) !important;
  border-radius: var(--radius-md);
  padding: 0.625rem 1rem;
}

.form-select:focus {
  background: var(--bg-tertiary) !important;
  border-color: var(--color-aqua) !important;
  box-shadow: 0 0 0 0.1875rem var(--color-aqua-glow) !important;
}

.form-check-input {
  background-color: var(--bg-secondary);
  border-color: var(--border-secondary);
}

.form-check-input:checked {
  background-color: var(--color-aqua);
  border-color: var(--color-aqua);
}

.form-check-input:focus {
  box-shadow: 0 0 0 0.1875rem var(--color-aqua-glow);
  border-color: var(--color-aqua);
}

.form-label {
  color: var(--text-secondary);
  font-weight: 500;
  margin-bottom: 0.5rem;
}

/* Form validation states */
.form-control.is-valid {
  border-color: var(--semantic-success) !important;
}

.form-control.is-invalid {
  border-color: var(--semantic-error) !important;
}

.invalid-feedback {
  color: var(--semantic-error);
}

.valid-feedback {
  color: var(--semantic-success);
}

/* ============================================================================
   BADGE STYLES
   ============================================================================ */

.badge {
  padding: 0.4rem 0.75rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
}

.badge.bg-primary,
.badge-primary {
  background: var(--color-aqua-lightest) !important;
  color: var(--color-aqua) !important;
}

.badge.bg-success,
.badge-success {
  background: var(--semantic-success-light) !important;
  color: var(--semantic-success) !important;
}

.badge.bg-danger,
.badge-danger {
  background: var(--semantic-error-light) !important;
  color: var(--semantic-error) !important;
}

.badge.bg-warning,
.badge-warning {
  background: var(--semantic-warning-light) !important;
  color: var(--semantic-warning) !important;
}

.badge.bg-info,
.badge-info {
  background: var(--semantic-info-light) !important;
  color: var(--semantic-info) !important;
}

.badge-accent {
  background: var(--color-coral-lightest) !important;
  color: var(--color-coral) !important;
}

.badge-navy {
  background: var(--color-navy) !important;
  color: var(--text-white) !important;
}

/* Solid badges for important items */
.badge-solid-primary {
  background: var(--gradient-primary) !important;
  color: var(--color-slate-900) !important;
}

.badge-solid-accent {
  background: var(--gradient-accent) !important;
  color: var(--color-white) !important;
}

/* ============================================================================
   LINK & TEXT STYLES
   ============================================================================ */

a,
.link {
  color: var(--color-aqua);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover,
.link:hover {
  color: var(--color-aqua-light);
  text-decoration: underline;
}

a:focus,
.link:focus {
  outline: 0.125rem solid var(--color-aqua);
  outline-offset: 0.125rem;
}

a.text-accent {
  color: var(--color-coral);
}

a.text-accent:hover {
  color: var(--color-coral-light);
}

/* Text Utilities */
h1, h2, h3, h4, h5, h6 {
  color: var(--text-heading);
}

.text-primary {
  color: var(--text-primary) !important;
}

.text-secondary {
  color: var(--text-secondary) !important;
}

.text-muted {
  color: var(--text-muted) !important;
}

/* ============================================================================
   HERO SECTIONS
   ============================================================================ */

.hero-section {
  background: var(--gradient-hero);
  color: var(--text-white);
  padding: 6.25rem 0;
  position: relative;
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 37.5rem;
  height: 37.5rem;
  background: var(--color-aqua);
  opacity: 0.1;
  border-radius: 50%;
  filter: blur(5rem);
}

.hero-section::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 25rem;
  height: 25rem;
  background: var(--color-coral);
  opacity: 0.1;
  border-radius: 50%;
  filter: blur(3.75rem);
}

.hero-section h1 {
  color: var(--text-white);
  font-weight: 800;
  position: relative;
  z-index: 1;
}

.hero-section .lead {
  color: var(--text-secondary);
  position: relative;
  z-index: 1;
}

/* ============================================================================
   SECTIONS
   ============================================================================ */

.section-primary {
  background: var(--bg-primary);
  color: var(--text-primary);
}

.section-secondary {
  background: var(--bg-secondary);
  color: var(--text-primary);
}

.section-dark {
  background: var(--color-slate-900);
  color: var(--text-white);
}

.section-accent {
  background: var(--bg-accent);
  color: var(--text-primary);
}

.section-title {
  color: var(--text-heading);
  position: relative;
  padding-bottom: 1rem;
  margin-bottom: 2rem;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 3.75rem;
  height: 0.25rem;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
}

.section-title.centered::after {
  left: 50%;
  transform: translateX(-50%);
}

/* ============================================================================
   FOOTER - Dark Glass
   ============================================================================ */

.footer {
  background: var(--color-slate-900);
  color: var(--text-secondary);
  border-top: 0.0625rem solid var(--border-light);
}

.footer h5 {
  color: var(--text-heading);
  font-weight: 700;
}

.footer a {
  color: var(--text-muted);
  transition: color var(--transition-fast);
}

.footer a:hover {
  color: var(--color-aqua);
  text-decoration: none;
}

/* ============================================================================
   TABLE STYLES - Dark Theme
   ============================================================================ */

.table {
  color: var(--text-body);
  border-color: var(--border-primary);
}

.table > thead {
  background: var(--bg-tertiary);
  color: var(--text-heading);
}

.table > thead th {
  border-bottom: 0.125rem solid var(--color-aqua);
  font-weight: 600;
}

.table > tbody > tr {
  border-color: var(--border-light);
}

.table > tbody > tr:hover {
  background: var(--bg-card-hover);
}

.table-striped > tbody > tr:nth-of-type(odd) {
  background: rgba(51, 65, 85, 0.3);
}

.table-dark {
  background: var(--bg-secondary);
}

/* ============================================================================
   PROGRESS BARS
   ============================================================================ */

.progress {
  background: var(--bg-tertiary);
  border-radius: var(--radius-full);
  height: 0.5rem;
  overflow: hidden;
}

.progress-bar {
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
}

.progress-bar-accent {
  background: var(--gradient-accent);
}

/* ============================================================================
   MODAL STYLES - Dark Glass
   ============================================================================ */

.modal-content {
  background: var(--bg-card);
  backdrop-filter: var(--glass-blur-heavy);
  border: 0.0625rem solid var(--border-light);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
}

.modal-header {
  border-bottom: 0.0625rem solid var(--border-light);
  padding: 1.25rem 1.5rem;
}

.modal-title {
  color: var(--text-heading);
  font-weight: 700;
}

.modal-body {
  padding: 1.5rem;
  color: var(--text-body);
}

.modal-footer {
  border-top: 0.0625rem solid var(--border-light);
  padding: 1rem 1.5rem;
}

.btn-close {
  filter: invert(1) grayscale(100%) brightness(200%);
}

/* ============================================================================
   DROPDOWN STYLES
   ============================================================================ */

.dropdown-menu {
  background: var(--bg-card);
  backdrop-filter: var(--glass-blur-heavy);
  border: 0.0625rem solid var(--border-light);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  padding: 0.5rem;
}

.dropdown-item {
  color: var(--text-secondary);
  border-radius: var(--radius-md);
  padding: 0.5rem 1rem;
  transition: all var(--transition-fast);
}

.dropdown-item:hover,
.dropdown-item:focus {
  background: var(--color-aqua-lightest);
  color: var(--color-aqua);
}

.dropdown-item.active,
.dropdown-item:active {
  background: var(--color-aqua);
  color: var(--color-slate-900);
}

.dropdown-divider {
  border-color: var(--border-light);
}

/* ============================================================================
   PAGINATION
   ============================================================================ */

.pagination {
  gap: 0.25rem;
}

.page-link {
  background: var(--bg-secondary);
  border: 0.0625rem solid var(--border-light);
  color: var(--text-secondary);
  border-radius: var(--radius-md) !important;
  padding: 0.5rem 0.875rem;
  transition: all var(--transition-fast);
}

.page-link:hover {
  background: var(--bg-card-hover);
  border-color: var(--color-aqua);
  color: var(--color-aqua);
}

.page-item.active .page-link {
  background: var(--gradient-primary);
  border-color: var(--color-aqua);
  color: var(--color-slate-900);
}

.page-item.disabled .page-link {
  background: var(--bg-secondary);
  color: var(--text-muted);
  opacity: 0.5;
}

/* ============================================================================
   LIST GROUP - Dark Theme
   ============================================================================ */

.list-group-item {
  background: var(--bg-secondary);
  border-color: var(--border-light);
  color: var(--text-body);
}

.list-group-item:hover {
  background: var(--bg-card-hover);
}

.list-group-item.active {
  background: var(--color-aqua-lightest);
  border-color: var(--color-aqua);
  color: var(--color-aqua);
}

/* ============================================================================
   ACCESSIBILITY & FOCUS STATES
   ============================================================================ */

*:focus-visible {
  outline: 0.125rem solid var(--color-aqua);
  outline-offset: 0.125rem;
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 0.125rem solid var(--color-aqua);
  outline-offset: 0.125rem;
}

/* Skip link for accessibility */
.skip-link {
  position: absolute;
  top: -2.5rem;
  left: 0;
  background: var(--color-aqua);
  color: var(--color-slate-900);
  padding: 0.5rem 1rem;
  z-index: 10000;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: 0;
}

/* ============================================================================
   UTILITY CLASSES
   ============================================================================ */

/* Backgrounds */
.bg-primary { background-color: var(--bg-primary) !important; }
.bg-secondary { background-color: var(--bg-secondary) !important; }
.bg-dark { background-color: var(--color-slate-900) !important; }
.bg-card { background-color: var(--bg-card) !important; }
.bg-glass {
  background: var(--glass-bg) !important;
  backdrop-filter: var(--glass-blur);
}
.bg-aqua { background-color: var(--color-aqua) !important; }
.bg-coral { background-color: var(--color-coral) !important; }
.bg-navy { background-color: var(--color-navy) !important; }
.bg-accent { background-color: var(--bg-accent) !important; }
.bg-white { background-color: var(--bg-secondary) !important; }

/* Gradients */
.bg-gradient-primary { background: var(--gradient-primary) !important; }
.bg-gradient-accent { background: var(--gradient-accent) !important; }
.bg-gradient-dark { background: var(--gradient-dark) !important; }
.bg-gradient-hero { background: var(--gradient-hero) !important; }
.bg-gradient-aqua-navy { background: var(--gradient-aqua-navy) !important; }

/* Text Colors */
.text-navy { color: var(--color-navy) !important; }
.text-aqua { color: var(--color-aqua) !important; }
.text-coral { color: var(--color-coral) !important; }
.text-light { color: var(--text-light) !important; }
.text-heading { color: var(--text-heading) !important; }
.text-body { color: var(--text-body) !important; }
.text-white { color: var(--text-white) !important; }

/* Borders */
.border-light { border-color: var(--border-light) !important; }
.border-aqua { border-color: var(--color-aqua) !important; }
.border-coral { border-color: var(--color-coral) !important; }
.border-navy { border-color: var(--color-navy) !important; }

/* Shadows */
.shadow-sm { box-shadow: var(--shadow-sm) !important; }
.shadow-md { box-shadow: var(--shadow-md) !important; }
.shadow-lg { box-shadow: var(--shadow-lg) !important; }
.shadow-xl { box-shadow: var(--shadow-xl) !important; }
.shadow-glow-aqua { box-shadow: var(--shadow-glow-aqua) !important; }
.shadow-glow-coral { box-shadow: var(--shadow-glow-coral) !important; }

/* Gradient Text Effect */
.text-gradient {
  background: var(--gradient-text-glow);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 700;
}

.text-gradient-accent {
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 700;
}

/* Glow Effects */
.glow-aqua {
  box-shadow: var(--shadow-glow-aqua);
}

.glow-coral {
  box-shadow: var(--shadow-glow-coral);
}

/* Hover Effects */
.hover-glow-aqua:hover {
  box-shadow: var(--shadow-glow-aqua);
  transition: box-shadow var(--transition-base);
}

.hover-glow-coral:hover {
  box-shadow: var(--shadow-glow-coral);
  transition: box-shadow var(--transition-base);
}

.hover-lift:hover {
  transform: translateY(-0.25rem);
  transition: transform var(--transition-base);
}

/* Glass Effect */
.glass {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  border: 0.0625rem solid var(--glass-border);
}

.glass-heavy {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur-heavy);
  border: 0.0625rem solid var(--glass-border);
}

/* Icon Utilities */
.icon-muted { color: var(--icon-muted) !important; }
.icon-soft { color: var(--icon-soft) !important; }
.icon-light { color: var(--icon-light) !important; }
.icon-star { color: var(--icon-star) !important; }
.icon-primary { color: var(--color-aqua) !important; }
.icon-accent { color: var(--color-coral) !important; }
.icon-navy { color: var(--color-navy) !important; }

.icon-xs { font-size: 0.75rem; }
.icon-sm { font-size: 1rem; }
.icon-md { font-size: 1.25rem; }
.icon-lg { font-size: 1.5rem; }
.icon-xl { font-size: 2rem; }
.icon-2xl { font-size: 3rem; }

/* Placeholder/Skeleton */
.bs-placeholder {
  background: linear-gradient(90deg, var(--bg-tertiary) 25%, var(--bg-card-hover) 50%, var(--bg-tertiary) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-md);
}

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

/* ============================================================================
   ANIMATIONS
   ============================================================================ */

@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 0.625rem var(--color-aqua-glow); }
  50% { box-shadow: 0 0 1.5625rem var(--color-aqua-glow), 0 0 2.5rem var(--color-aqua-glow); }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-0.625rem); }
}

.animate-pulse-glow {
  animation: pulse-glow 2s ease-in-out infinite;
}

.animate-float {
  animation: float 3s ease-in-out infinite;
}

/* ============================================================================
   RESPONSIVE ADJUSTMENTS
   ============================================================================ */

@media (max-width: 48rem) {
  .btn {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
  }

  .card {
    border-radius: var(--radius-md);
  }

  .hero-section {
    padding: 3.75rem 0;
  }

  .section-title {
    font-size: 1.5rem;
  }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* High contrast mode */
@media (prefers-contrast: high) {
  :root {
    --color-aqua: #00ffff;
    --color-coral: #ff0000;
    --text-primary: #ffffff;
    --bg-primary: #000000;
    --border-light: #ffffff;
  }
}

/* ============================================================================
   PRINT STYLES
   ============================================================================ */

@media print {
  body {
    background: white !important;
    color: black !important;
  }

  .btn,
  .navbar,
  .footer,
  .sidebar {
    display: none !important;
  }

  .card {
    border: 0.0625rem solid #ccc;
    box-shadow: none;
    background: white;
  }
}

/* ============================================================================
   COLOR REFERENCE - Dark Elegance Theme
   ============================================================================

   SLATE PALETTE (Primary Backgrounds):
   #0f172a - slate-900 (Darkest, main bg)
   #1e293b - slate-800 (Cards, elevated surfaces)
   #334155 - slate-700 (Borders, dividers)
   #475569 - slate-600 (Muted elements)
   #64748b - slate-500 (Secondary text)
   #94a3b8 - slate-400 (Tertiary text)
   #cbd5e1 - slate-300 (Primary text)
   #e2e8f0 - slate-200 (Headings)
   #f1f5f9 - slate-100 (Bright text)

   ACCENT COLORS:
   #66c7be - Aqua (Primary interactive)
   #ef3f42 - Coral (Secondary accent, CTAs)
   #142840 - Navy (Legacy support)

   SEMANTIC COLORS:
   #10b981 - Success (Green)
   #f59e0b - Warning (Amber)
   #ef4444 - Error (Red)
   #3b82f6 - Info (Blue)

   DESIGN PATTERN: Dark Elegance with Glassmorphism
   - Use slate backgrounds, NOT white
   - Glass effect cards with backdrop-filter
   - Gradient borders for emphasis
   - Aqua glows for interactive elements
   - Coral for important CTAs only

   ============================================================================ */