/* ============================================
   MODERN LIGHT PASTEL THEME
   Inspired by Freelancer.com
   Work4OneDollar v3.0
   ============================================ */

:root {
  /* ==========================================
     COLOR PALETTE - Light Pastel
     ========================================== */
  
  /* Primary - Vibrant Blue */
  --primary: #0969da;
  --primary-hover: #0550ae;
  --primary-light: #ddf4ff;
  --primary-lighter: #f0f7ff;
  
  /* Secondary - Modern Pink/Magenta */
  --secondary: #e8175d;
  --secondary-hover: #c41349;
  --secondary-light: #ffe4ed;
  --secondary-lighter: #fff5f8;
  
  /* Accent - Fresh Teal */
  --accent: #0d9488;
  --accent-hover: #0a7d73;
  --accent-light: #d5f5f0;
  --accent-lighter: #f0fdf9;
  
  /* Neutrals - Soft Gray Scale */
  --gray-900: #0f172a;
  --gray-800: #1e293b;
  --gray-700: #334155;
  --gray-600: #475569;
  --gray-500: #64748b;
  --gray-400: #94a3b8;
  --gray-300: #cbd5e1;
  --gray-200: #e2e8f0;
  --gray-100: #f1f5f9;
  --gray-50: #f8fafc;
  --white: #ffffff;
  
  /* Semantic Colors */
  --success: #059669;
  --success-light: #d1fae5;
  --warning: #d97706;
  --warning-light: #fef3c7;
  --error: #dc2626;
  --error-light: #fee2e2;
  --info: #0284c7;
  --info-light: #e0f2fe;
  
  /* ==========================================
     SEMANTIC MAPPINGS
     ========================================== */
  --text-primary: var(--gray-900);
  --text-secondary: var(--gray-600);
  --text-muted: var(--gray-500);
  --text-light: var(--gray-400);
  --text-inverse: var(--white);
  
  --bg-page: var(--gray-50);
  --bg-elevated: var(--white);
  --bg-subtle: var(--gray-100);
  --bg-muted: var(--gray-200);
  
  --border-default: var(--gray-200);
  --border-subtle: var(--gray-100);
  --border-strong: var(--gray-300);
  
  /* ==========================================
     SHADOWS - Modern & Soft
     ========================================== */
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.04);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.08), 0 10px 10px -5px rgba(0, 0, 0, 0.03);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
  
  /* Colored Shadows */
  --shadow-primary: 0 10px 40px -10px rgba(9, 105, 218, 0.35);
  --shadow-secondary: 0 10px 40px -10px rgba(232, 23, 93, 0.35);
  --shadow-accent: 0 10px 40px -10px rgba(13, 148, 136, 0.35);
  
  /* Focus Ring */
  --ring-primary: 0 0 0 3px rgba(9, 105, 218, 0.15);
  --ring-secondary: 0 0 0 3px rgba(232, 23, 93, 0.15);
  
  /* ==========================================
     TYPOGRAPHY
     ========================================== */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-display: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  
  /* Font Sizes */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;
  --text-6xl: 3.75rem;
  --text-7xl: 4.5rem;
  
  /* Font Weights */
  --font-normal: 400;
  --font-medium: 500;
  --font-semibold: 600;
  --font-bold: 700;
  --font-extrabold: 800;
  
  /* Line Heights */
  --leading-none: 1;
  --leading-tight: 1.25;
  --leading-snug: 1.375;
  --leading-normal: 1.5;
  --leading-relaxed: 1.625;
  --leading-loose: 2;
  
  /* Letter Spacing */
  --tracking-tight: -0.025em;
  --tracking-normal: 0;
  --tracking-wide: 0.025em;
  
  /* ==========================================
     SPACING
     ========================================== */
  --space-0: 0;
  --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;
  --space-24: 6rem;
  --space-32: 8rem;
  
  /* ==========================================
     BORDER RADIUS
     ========================================== */
  --radius-none: 0;
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-3xl: 2rem;
  --radius-full: 9999px;
  
  /* ==========================================
     TRANSITIONS
     ========================================== */
  --ease-default: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-in: cubic-bezier(0.4, 0, 1, 1);
  --ease-out: cubic-bezier(0, 0, 0.2, 1);
  --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
  
  --duration-fast: 150ms;
  --duration-normal: 250ms;
  --duration-slow: 350ms;
  --duration-slower: 500ms;
  
  /* ==========================================
     Z-INDEX
     ========================================== */
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-fixed: 300;
  --z-modal-backdrop: 400;
  --z-modal: 500;
  --z-popover: 600;
  --z-tooltip: 700;
}

/* ============================================
   BASE STYLES
   ============================================ */

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

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

body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--text-primary);
  background-color: var(--bg-page);
  margin: 0;
  padding: 0;
}

/* ============================================
   MODERN NAVBAR
   ============================================ */

.w4-navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-sticky);
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
  transition: all var(--duration-normal) var(--ease-default);
}

.w4-navbar.scrolled {
  background: rgba(255, 255, 255, 0.95);
  box-shadow: var(--shadow-md);
}

.w4-navbar-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.w4-navbar-brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: var(--text-primary);
  text-decoration: none;
  transition: opacity var(--duration-fast) var(--ease-default);
}

.w4-navbar-brand:hover {
  opacity: 0.8;
}

.w4-navbar-brand-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-weight: var(--font-bold);
  font-size: var(--text-lg);
}

.w4-navbar-menu {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  list-style: none;
  margin: 0;
  padding: 0;
}

.w4-navbar-link {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--text-secondary);
  text-decoration: none;
  border-radius: var(--radius-lg);
  transition: all var(--duration-fast) var(--ease-default);
}

.w4-navbar-link:hover {
  color: var(--text-primary);
  background: var(--bg-subtle);
}

.w4-navbar-link.active {
  color: var(--primary);
  background: var(--primary-light);
}

.w4-navbar-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

/* ============================================
   MODERN BUTTONS
   ============================================ */

.w4-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  line-height: 1;
  text-decoration: none;
  border: none;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-default);
  white-space: nowrap;
}

.w4-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Primary Button */
.w4-btn-primary {
  background: var(--primary);
  color: var(--white);
  box-shadow: var(--shadow-sm);
}

.w4-btn-primary:hover:not(:disabled) {
  background: var(--primary-hover);
  box-shadow: var(--shadow-primary);
  transform: translateY(-1px);
}

.w4-btn-primary:active:not(:disabled) {
  transform: translateY(0);
}

/* Secondary Button */
.w4-btn-secondary {
  background: var(--secondary);
  color: var(--white);
  box-shadow: var(--shadow-sm);
}

.w4-btn-secondary:hover:not(:disabled) {
  background: var(--secondary-hover);
  box-shadow: var(--shadow-secondary);
  transform: translateY(-1px);
}

/* Ghost/Outline Button */
.w4-btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border-default);
}

.w4-btn-ghost:hover:not(:disabled) {
  color: var(--text-primary);
  background: var(--bg-subtle);
  border-color: var(--border-strong);
}

/* Outline Primary */
.w4-btn-outline-primary {
  background: transparent;
  color: var(--primary);
  border: 1.5px solid var(--primary);
}

.w4-btn-outline-primary:hover:not(:disabled) {
  background: var(--primary-light);
}

/* Button Sizes */
.w4-btn-sm {
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-xs);
}

.w4-btn-lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-base);
}

.w4-btn-xl {
  padding: var(--space-5) var(--space-10);
  font-size: var(--text-lg);
  border-radius: var(--radius-xl);
}

/* ============================================
   MODERN CARDS
   ============================================ */

.w4-card {
  background: var(--white);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: all var(--duration-normal) var(--ease-default);
}

.w4-card-hover:hover {
  border-color: var(--border-default);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.w4-card-body {
  padding: var(--space-6);
}

.w4-card-header {
  padding: var(--space-5) var(--space-6);
  border-bottom: 1px solid var(--border-subtle);
  background: var(--bg-subtle);
}

.w4-card-footer {
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--border-subtle);
  background: var(--bg-subtle);
}

/* Glass Card */
.w4-card-glass {
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

/* ============================================
   MODERN FORM CONTROLS
   ============================================ */

.w4-input {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-family: var(--font-sans);
  font-size: var(--text-base);
  color: var(--text-primary);
  background: var(--white);
  border: 1.5px solid var(--border-default);
  border-radius: var(--radius-lg);
  outline: none;
  transition: all var(--duration-fast) var(--ease-default);
}

.w4-input::placeholder {
  color: var(--text-muted);
}

.w4-input:hover {
  border-color: var(--border-strong);
}

.w4-input:focus {
  border-color: var(--primary);
  box-shadow: var(--ring-primary);
}

/* Large Input */
.w4-input-lg {
  padding: var(--space-4) var(--space-6);
  font-size: var(--text-lg);
  border-radius: var(--radius-xl);
}

/* Input with Icon */
.w4-input-group {
  position: relative;
  display: flex;
  align-items: center;
}

.w4-input-group-icon {
  position: absolute;
  left: var(--space-4);
  color: var(--text-muted);
  pointer-events: none;
}

.w4-input-group .w4-input {
  padding-left: var(--space-12);
}

/* ============================================
   BADGES
   ============================================ */

.w4-badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  border-radius: var(--radius-full);
}

.w4-badge-primary {
  background: var(--primary-light);
  color: var(--primary);
}

.w4-badge-secondary {
  background: var(--secondary-light);
  color: var(--secondary);
}

.w4-badge-success {
  background: var(--success-light);
  color: var(--success);
}

.w4-badge-warning {
  background: var(--warning-light);
  color: var(--warning);
}

.w4-badge-error {
  background: var(--error-light);
  color: var(--error);
}

/* ============================================
   SKELETON LOADER
   ============================================ */

.w4-skeleton {
  background: linear-gradient(
    90deg,
    var(--gray-100) 0%,
    var(--gray-200) 50%,
    var(--gray-100) 100%
  );
  background-size: 200% 100%;
  animation: skeleton-shimmer 1.5s ease-in-out infinite;
  border-radius: var(--radius-md);
}

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

.w4-skeleton-text {
  height: 1em;
  margin-bottom: var(--space-2);
}

.w4-skeleton-heading {
  height: 2em;
  width: 60%;
  margin-bottom: var(--space-4);
}

.w4-skeleton-avatar {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
}

.w4-skeleton-card {
  height: 200px;
}

/* ============================================
   PRELOADER
   ============================================ */

.w4-preloader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--white);
  transition: opacity var(--duration-slow) var(--ease-default);
}

.w4-preloader.hidden {
  opacity: 0;
  pointer-events: none;
}

.w4-preloader-spinner {
  width: 48px;
  height: 48px;
  border: 3px solid var(--gray-200);
  border-top-color: var(--primary);
  border-radius: var(--radius-full);
  animation: preloader-spin 0.8s linear infinite;
}

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

/* Dot Loader */
.w4-loader-dots {
  display: flex;
  gap: var(--space-2);
}

.w4-loader-dot {
  width: 10px;
  height: 10px;
  background: var(--primary);
  border-radius: var(--radius-full);
  animation: loader-bounce 0.6s ease-in-out infinite;
}

.w4-loader-dot:nth-child(2) {
  animation-delay: 0.1s;
}

.w4-loader-dot:nth-child(3) {
  animation-delay: 0.2s;
}

@keyframes loader-bounce {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-8px);
  }
}

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

/* Fade In */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

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

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

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

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

/* Scale */
@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* Float */
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

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

/* Animation Classes */
.w4-animate-fadeIn { animation: fadeIn var(--duration-normal) var(--ease-out); }
.w4-animate-fadeInUp { animation: fadeInUp var(--duration-normal) var(--ease-out); }
.w4-animate-fadeInDown { animation: fadeInDown var(--duration-normal) var(--ease-out); }
.w4-animate-fadeInLeft { animation: fadeInLeft var(--duration-normal) var(--ease-out); }
.w4-animate-fadeInRight { animation: fadeInRight var(--duration-normal) var(--ease-out); }
.w4-animate-scaleIn { animation: scaleIn var(--duration-normal) var(--ease-out); }
.w4-animate-float { animation: float 3s ease-in-out infinite; }
.w4-animate-pulse { animation: pulse 2s ease-in-out infinite; }

/* Animation Delays */
.w4-animate-delay-1 { animation-delay: 0.1s; }
.w4-animate-delay-2 { animation-delay: 0.2s; }
.w4-animate-delay-3 { animation-delay: 0.3s; }
.w4-animate-delay-4 { animation-delay: 0.4s; }
.w4-animate-delay-5 { animation-delay: 0.5s; }

/* Scroll Animation */
.w4-scroll-animate {
  opacity: 0;
  transform: translateY(30px);
  transition: all var(--duration-slow) var(--ease-out);
}

.w4-scroll-animate.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   FOOTER
   ============================================ */

.w4-footer {
  background: var(--gray-900);
  color: var(--gray-300);
  padding: var(--space-16) 0 var(--space-8);
}

.w4-footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: var(--space-12);
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

@media (max-width: 991px) {
  .w4-footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 575px) {
  .w4-footer-grid {
    grid-template-columns: 1fr;
  }
}

.w4-footer-brand {
  margin-bottom: var(--space-6);
}

.w4-footer-brand h3 {
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: var(--white);
  margin-bottom: var(--space-4);
}

.w4-footer-brand p {
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
  color: var(--gray-400);
}

.w4-footer-title {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--white);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  margin-bottom: var(--space-5);
}

.w4-footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.w4-footer-links li {
  margin-bottom: var(--space-3);
}

.w4-footer-links a {
  font-size: var(--text-sm);
  color: var(--gray-400);
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-default);
}

.w4-footer-links a:hover {
  color: var(--white);
}

.w4-footer-bottom {
  max-width: 1400px;
  margin: var(--space-12) auto 0;
  padding: var(--space-8) var(--space-6) 0;
  border-top: 1px solid var(--gray-800);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.w4-footer-copyright {
  font-size: var(--text-sm);
  color: var(--gray-500);
}

.w4-footer-social {
  display: flex;
  gap: var(--space-4);
}

.w4-footer-social a {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gray-800);
  color: var(--gray-400);
  border-radius: var(--radius-lg);
  transition: all var(--duration-fast) var(--ease-default);
}

.w4-footer-social a:hover {
  background: var(--primary);
  color: var(--white);
  transform: translateY(-2px);
}

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

/* Container */
.w4-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.w4-container-sm { max-width: 640px; }
.w4-container-md { max-width: 768px; }
.w4-container-lg { max-width: 1024px; }
.w4-container-xl { max-width: 1280px; }

/* Text */
.w4-text-center { text-align: center; }
.w4-text-left { text-align: left; }
.w4-text-right { text-align: right; }

.w4-text-primary { color: var(--primary); }
.w4-text-secondary { color: var(--text-secondary); }
.w4-text-muted { color: var(--text-muted); }

/* Gradient Text */
.w4-text-gradient {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Background */
.w4-bg-primary { background-color: var(--primary); }
.w4-bg-white { background-color: var(--white); }
.w4-bg-subtle { background-color: var(--bg-subtle); }
.w4-bg-gradient {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
}

/* Flex */
.w4-flex { display: flex; }
.w4-flex-col { flex-direction: column; }
.w4-items-center { align-items: center; }
.w4-justify-center { justify-content: center; }
.w4-justify-between { justify-content: space-between; }
.w4-gap-2 { gap: var(--space-2); }
.w4-gap-4 { gap: var(--space-4); }
.w4-gap-6 { gap: var(--space-6); }
.w4-gap-8 { gap: var(--space-8); }

/* Grid */
.w4-grid { display: grid; }
.w4-grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.w4-grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.w4-grid-cols-4 { grid-template-columns: repeat(4, 1fr); }

/* Spacing */
.w4-mt-4 { margin-top: var(--space-4); }
.w4-mt-6 { margin-top: var(--space-6); }
.w4-mt-8 { margin-top: var(--space-8); }
.w4-mb-4 { margin-bottom: var(--space-4); }
.w4-mb-6 { margin-bottom: var(--space-6); }
.w4-mb-8 { margin-bottom: var(--space-8); }
.w4-py-8 { padding-top: var(--space-8); padding-bottom: var(--space-8); }
.w4-py-16 { padding-top: var(--space-16); padding-bottom: var(--space-16); }
.w4-py-24 { padding-top: var(--space-24); padding-bottom: var(--space-24); }

/* Border Radius */
.w4-rounded { border-radius: var(--radius-md); }
.w4-rounded-lg { border-radius: var(--radius-lg); }
.w4-rounded-xl { border-radius: var(--radius-xl); }
.w4-rounded-full { border-radius: var(--radius-full); }

/* Visibility */
.w4-hidden { display: none; }
.w4-sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* ============================================
   RESPONSIVE UTILITIES
   ============================================ */

@media (max-width: 768px) {
  .w4-hidden-mobile { display: none !important; }
}

@media (min-width: 769px) {
  .w4-hidden-desktop { display: none !important; }
}

/* ============================================
   MODERN NAVBAR
   ============================================ */

.w4-navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-6);
  height: 64px;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  transition: all 0.3s ease;
}

.w4-navbar.scrolled {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow-md);
}

/* Navbar Brand */
.w4-navbar-brand {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
  font-weight: var(--font-bold);
  font-size: var(--text-xl);
  color: var(--text-primary);
  transition: opacity 0.2s;
}

.w4-navbar-brand:hover {
  opacity: 0.8;
}

.w4-navbar-brand-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--primary) 0%, #6366f1 100%);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  box-shadow: 0 4px 12px rgba(9, 105, 218, 0.25);
}

.w4-navbar-brand-text {
  font-weight: var(--font-extrabold);
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, var(--gray-900) 0%, var(--gray-700) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Desktop Nav */
.w4-navbar-nav {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

@media (max-width: 768px) {
  .w4-navbar-nav {
    display: none;
  }
}

.w4-nav-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  color: var(--text-secondary);
  font-weight: var(--font-medium);
  font-size: var(--text-sm);
  text-decoration: none;
  border-radius: var(--radius-lg);
  transition: all 0.2s ease;
}

.w4-nav-link:hover {
  color: var(--primary);
  background: var(--gray-50);
}

.w4-nav-link.active {
  color: var(--primary);
  background: var(--primary-lighter);
}

.w4-nav-link svg {
  opacity: 0.7;
}

.w4-nav-link:hover svg {
  opacity: 1;
}

.w4-nav-link-primary {
  background: var(--primary);
  color: white !important;
}

.w4-nav-link-primary:hover {
  background: var(--primary-hover);
}

/* Navbar Actions */
.w4-navbar-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.w4-navbar-icon-btn {
  position: relative;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  background: transparent;
  border: none;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
}

.w4-navbar-icon-btn:hover {
  color: var(--primary);
  background: var(--gray-50);
}

.w4-navbar-icon-btn svg {
  opacity: 0.7;
}

.w4-navbar-icon-btn:hover svg {
  opacity: 1;
}

.w4-navbar-badge {
  position: absolute;
  top: 6px;
  right: 6px;
  min-width: 16px;
  height: 16px;
  padding: 0 4px;
  background: var(--secondary);
  color: white;
  font-size: 10px;
  font-weight: var(--font-bold);
  border-radius: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
}

@media (max-width: 768px) {
  .w4-navbar-icon-btn {
    display: none;
  }
}

/* User Dropdown */
.w4-navbar-user {
  position: relative;
}

.w4-navbar-user-btn {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-2);
  background: transparent;
  border: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all 0.2s ease;
}

.w4-navbar-user-btn:hover {
  background: var(--gray-50);
}

@media (max-width: 768px) {
  .w4-navbar-user {
    display: none;
  }
}

.w4-navbar-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--gray-100);
}

.w4-navbar-avatar-placeholder {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary) 100%);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: var(--font-semibold);
}

.w4-navbar-chevron {
  color: var(--gray-400);
  transition: transform 0.2s ease;
}

.w4-navbar-user.open .w4-navbar-chevron {
  transform: rotate(180deg);
}

/* Dropdown Menu */
.w4-navbar-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 220px;
  background: white;
  border-radius: var(--radius-xl);
  border: 1px solid var(--gray-100);
  box-shadow: var(--shadow-xl);
  padding: var(--space-2);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: all 0.2s ease;
}

.w4-navbar-user.open .w4-navbar-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.w4-dropdown-header {
  padding: var(--space-3);
  border-bottom: 1px solid var(--gray-100);
  margin-bottom: var(--space-1);
}

.w4-dropdown-name {
  font-weight: var(--font-semibold);
  color: var(--text-primary);
  margin-bottom: 2px;
}

.w4-dropdown-email {
  font-size: var(--text-xs);
  color: var(--text-muted);
}

.w4-dropdown-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-3);
  color: var(--text-secondary);
  font-size: var(--text-sm);
  text-decoration: none;
  border-radius: var(--radius-lg);
  transition: all 0.15s ease;
}

.w4-dropdown-item:hover {
  background: var(--gray-50);
  color: var(--text-primary);
}

.w4-dropdown-item svg {
  opacity: 0.6;
}

.w4-dropdown-item:hover svg {
  opacity: 1;
}

.w4-dropdown-divider {
  height: 1px;
  background: var(--gray-100);
  margin: var(--space-1) 0;
}

.w4-dropdown-item-danger {
  color: var(--error);
}

.w4-dropdown-item-danger:hover {
  background: var(--error-light);
  color: var(--error);
}

.w4-dropdown-item-logout {
  color: var(--error);
}

.w4-dropdown-item-logout:hover {
  background: var(--error-light);
  color: var(--error);
}

/* Mobile Toggle */
.w4-navbar-toggle {
  display: none;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  color: var(--gray-600);
  background: transparent;
  border: none;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all 0.2s ease;
}

.w4-navbar-toggle:hover {
  background: var(--gray-50);
  color: var(--text-primary);
}

@media (max-width: 768px) {
  .w4-navbar-toggle {
    display: flex;
  }
}

/* Mobile Slide Menu */
.w4-mobile-slide-menu {
  position: fixed;
  top: 0;
  right: 0;
  width: 280px;
  height: 100vh;
  background: white;
  z-index: 1001;
  transform: translateX(100%);
  transition: transform 0.3s ease;
  overflow-y: auto;
  box-shadow: var(--shadow-2xl);
}

.w4-mobile-slide-menu.open {
  transform: translateX(0);
}

.w4-mobile-menu-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.w4-mobile-menu-overlay.open {
  opacity: 1;
  visibility: visible;
}

.w4-mobile-menu-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4);
  border-bottom: 1px solid var(--gray-100);
}

.w4-mobile-menu-close {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-500);
  background: transparent;
  border: none;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all 0.2s ease;
}

.w4-mobile-menu-close:hover {
  background: var(--gray-50);
  color: var(--text-primary);
}

.w4-mobile-menu-user {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4);
  background: var(--gray-50);
}

.w4-mobile-menu-user-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  object-fit: cover;
}

.w4-mobile-menu-user-avatar-placeholder {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary) 100%);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: var(--font-semibold);
}

.w4-mobile-menu-user-info h4 {
  font-weight: var(--font-semibold);
  color: var(--text-primary);
  margin: 0 0 2px 0;
}

.w4-mobile-menu-user-info p {
  font-size: var(--text-xs);
  color: var(--text-muted);
  margin: 0;
}

.w4-mobile-menu-nav {
  padding: var(--space-2);
}

.w4-mobile-nav-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  color: var(--text-secondary);
  font-weight: var(--font-medium);
  text-decoration: none;
  border-radius: var(--radius-lg);
  transition: all 0.2s ease;
}

.w4-mobile-nav-item:hover {
  background: var(--gray-50);
  color: var(--text-primary);
}

.w4-mobile-nav-item.active {
  background: var(--primary-lighter);
  color: var(--primary);
}

.w4-mobile-nav-item svg {
  opacity: 0.6;
}

.w4-mobile-nav-item:hover svg,
.w4-mobile-nav-item.active svg {
  opacity: 1;
}

.w4-mobile-menu-divider {
  height: 1px;
  background: var(--gray-100);
  margin: var(--space-2) var(--space-4);
}

.w4-mobile-menu-cta {
  padding: var(--space-4);
}

.w4-mobile-menu-cta .w4-btn {
  width: 100%;
  justify-content: center;
}

/* Body offset for fixed navbar */
body {
  padding-top: 64px;
}