/* ===== COMPREHENSIVE BASE STYLES - Medical Tourism Platform ===== */
:root {
  /* ===== DYNAMIC COLOR SYSTEM ===== */
  --primary: #7c3aed;
  --primary-dark: #6d28d9;
  --primary-light: #8b5cf6;
  --primary-soft: rgba(124, 58, 237, 0.1);

  --secondary: #d946ef;
  --secondary-dark: #c026d3;
  --secondary-light: #e879f9;
  --secondary-soft: rgba(217, 70, 239, 0.1);

  --accent: #f59e0b;
  --accent-dark: #d97706;
  --accent-light: #fbbf24;
  --accent-soft: rgba(245, 158, 11, 0.1);

  --success: #10b981;
  --success-dark: #059669;
  --success-light: #34d399;
  --success-soft: rgba(16, 185, 129, 0.1);

  --warning: #f59e0b;
  --warning-dark: #d97706;
  --warning-light: #fbbf24;
  --warning-soft: rgba(245, 158, 11, 0.1);

  --error: #ef4444;
  --error-dark: #dc2626;
  --error-light: #f87171;
  --error-soft: rgba(239, 68, 68, 0.1);

  --info: #06b6d4;
  --info-dark: #0891b2;
  --info-light: #22d3ee;
  --info-soft: rgba(6, 182, 212, 0.1);

  /* Neutral Colors */
  --dark: #0f172a;
  --darker: #020617;
  --dark-light: #1e293b;

  --light: #f8fafc;
  --lighter: #ffffff;
  --light-dark: #e2e8f0;

  --gray-50: #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;
  --gray-400: #94a3b8;
  --gray-500: #64748b;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1e293b;
  --gray-900: #0f172a;

  /* ===== GLASS EFFECT SYSTEM ===== */
  --glass-ultra-light: rgba(255, 255, 255, 0.95);
  --glass-light: rgba(255, 255, 255, 0.15);
  --glass: rgba(255, 255, 255, 0.08);
  --glass-dark: rgba(255, 255, 255, 0.05);
  --glass-ultra-dark: rgba(15, 23, 42, 0.8);
  --glass-primary: rgba(124, 58, 237, 0.15);
  --glass-secondary: rgba(217, 70, 239, 0.15);
  --glass-accent: rgba(245, 158, 11, 0.15);

  --glass-border-ultra-light: rgba(255, 255, 255, 0.3);
  --glass-border-light: rgba(255, 255, 255, 0.2);
  --glass-border: rgba(255, 255, 255, 0.12);
  --glass-border-dark: rgba(255, 255, 255, 0.08);
  --glass-border-primary: rgba(124, 58, 237, 0.3);
  --glass-border-secondary: rgba(217, 70, 239, 0.3);
  --glass-border-accent: rgba(245, 158, 11, 0.3);

  /* ===== GLOW EFFECT SYSTEM ===== */
  --glow-xs: 0 0 10px rgba(124, 58, 237, 0.2);
  --glow-sm: 0 0 20px rgba(124, 58, 237, 0.25);
  --glow: 0 0 30px rgba(124, 58, 237, 0.3);
  --glow-lg: 0 0 40px rgba(124, 58, 237, 0.4);
  --glow-xl: 0 0 50px rgba(124, 58, 237, 0.5);

  --glow-accent: 0 0 30px rgba(245, 158, 11, 0.3);
  --glow-success: 0 0 30px rgba(16, 185, 129, 0.3);
  --glow-error: 0 0 30px rgba(239, 68, 68, 0.3);
  --glow-info: 0 0 30px rgba(6, 182, 212, 0.3);

  /* ===== TYPOGRAPHY SYSTEM ===== */
  --font-primary: 'Vazirmatn', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  --font-heading: 'Vazirmatn', 'Segoe UI', sans-serif;
  --font-mono: 'SF Mono', 'Monaco', 'Inconsolata', 'Roboto Mono', 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;

  /* ===== SPACING SYSTEM ===== */
  --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 SYSTEM ===== */
  --radius-none: 0;
  --radius-sm: 0.125rem;
  --radius: 0.25rem;
  --radius-md: 0.375rem;
  --radius-lg: 0.5rem;
  --radius-xl: 0.75rem;
  --radius-2xl: 1rem;
  --radius-3xl: 1.5rem;
  --radius-full: 9999px;

  /* ===== SHADOW SYSTEM ===== */
  --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  --shadow-2xl: 0 50px 100px -20px rgba(0, 0, 0, 0.25);

  /* ===== TRANSITION SYSTEM ===== */
  --transition-fast: 150ms ease;
  --transition: 300ms ease;
  --transition-slow: 500ms ease;
  --transition-bounce: 500ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-spring: 600ms cubic-bezier(0.25, 0.46, 0.45, 0.94);

  /* ===== Z-INDEX SYSTEM ===== */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal: 1040;
  --z-popover: 1050;
  --z-tooltip: 1060;
  --z-toast: 1070;
}

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

* {
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-primary);
  background: linear-gradient(135deg, var(--darker) 0%, var(--dark) 50%, var(--dark-light) 100%);
  color: var(--light);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
  text-rendering: optimizeSpeed;
}

/* ===== TYPOGRAPHY SYSTEM ===== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--space-6);
}

h1 { font-size: var(--text-6xl); }
h2 { font-size: var(--text-5xl); }
h3 { font-size: var(--text-4xl); }
h4 { font-size: var(--text-3xl); }
h5 { font-size: var(--text-2xl); }
h6 { font-size: var(--text-xl); }

.hero-title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1.1;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
}

.card-title {
  font-size: var(--text-xl);
  font-weight: 600;
}

p {
  margin-bottom: var(--space-6);
  line-height: 1.7;
}

.lead {
  font-size: var(--text-xl);
  font-weight: 300;
  line-height: 1.6;
}

.small {
  font-size: var(--text-sm);
}

.tiny {
  font-size: var(--text-xs);
}

/* Text Colors */
.text-gradient {
  background: linear-gradient(135deg, var(--primary), var(--secondary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  background-size: 200% 200%;
  animation: gradientFlow 6s ease-in-out infinite;
}

.text-primary { color: var(--primary); }
.text-secondary { color: var(--secondary); }
.text-accent { color: var(--accent); }
.text-success { color: var(--success); }
.text-warning { color: var(--warning); }
.text-error { color: var(--error); }
.text-info { color: var(--info); }
.text-light { color: var(--light); }
.text-gray { color: var(--gray-400); }
.text-white { color: var(--lighter); }
.text-dark { color: var(--dark); }

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

/* Font Weights */
.font-light { font-weight: 300; }
.font-normal { font-weight: 400; }
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }
.font-extrabold { font-weight: 800; }
.font-black { font-weight: 900; }

/* ===== GLASS EFFECT SYSTEM ===== */

/* Glass Cards - Multiple Variants */
.glass-card {
  background: var(--glass);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-lg);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.glass-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
  transition: left var(--transition-slow);
}

.glass-card:hover::before {
  left: 100%;
}

.glass-card:hover {
  transform: translateY(-8px);
  border-color: var(--glass-border-light);
  box-shadow: var(--glow), var(--shadow-xl);
}

.glass-card-light {
  background: var(--glass-light);
  border: 1px solid var(--glass-border-light);
}

.glass-card-dark {
  background: var(--glass-ultra-dark);
  border: 1px solid var(--glass-border-dark);
}

.glass-card-primary {
  background: var(--glass-primary);
  border: 1px solid var(--glass-border-primary);
}

.glass-card-accent {
  background: var(--glass-accent);
  border: 1px solid var(--glass-border-accent);
}

/* Glass Panels */
.glass-panel {
  background: var(--glass-ultra-dark);
  backdrop-filter: blur(25px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
}

.glass-panel-light {
  background: var(--glass-light);
  backdrop-filter: blur(15px);
}

/* Glass Buttons */
.glass-btn {
  background: var(--glass);
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  color: var(--light);
  padding: var(--space-4) var(--space-8);
  font-weight: 600;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
  display: inline-flex;
  align-items: center;
  gap: var(--space-4);
  text-decoration: none;
  cursor: pointer;
  font-family: var(--font-primary);
}

.glass-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left var(--transition-slow);
}

.glass-btn:hover::before {
  left: 100%;
}

.glass-btn:hover {
  transform: translateY(-2px);
  border-color: var(--primary);
  box-shadow: var(--glow-sm);
}

.glass-btn-primary {
  background: var(--glass-primary);
  border-color: var(--glass-border-primary);
}

.glass-btn-accent {
  background: var(--glass-accent);
  border-color: var(--glass-border-accent);
}

.glass-btn-light {
  background: var(--glass-light);
  border-color: var(--glass-border-light);
}

/* Glass Inputs */
.glass-input {
  background: var(--glass);
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  color: var(--light);
  padding: var(--space-4) var(--space-6);
  font-family: var(--font-primary);
  transition: all var(--transition);
  width: 100%;
}

.glass-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-soft);
  background: rgba(255, 255, 255, 0.05);
}

.glass-input::placeholder {
  color: var(--gray-400);
}

/* Glass Select */
.glass-select {
  background: var(--glass);
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  color: var(--light);
  padding: var(--space-4) var(--space-6);
  font-family: var(--font-primary);
  transition: all var(--transition);
  width: 100%;
  cursor: pointer;
}

/* ===== BUTTON SYSTEM ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-8);
  border-radius: var(--radius-lg);
  font-weight: 600;
  text-decoration: none;
  transition: all var(--transition-bounce);
  border: none;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  font-family: var(--font-primary);
  text-align: center;
  justify-content: center;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left var(--transition-slow);
}

.btn:hover::before {
  left: 100%;
}

/* Button Variants */
.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
  box-shadow: var(--glow);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: var(--glow-lg), 0 12px 30px rgba(124, 58, 237, 0.4);
}

.btn-secondary {
  background: linear-gradient(135deg, var(--secondary), var(--secondary-dark));
  color: white;
  box-shadow: var(--glow-accent);
}

.btn-secondary:hover {
  transform: translateY(-3px);
  box-shadow: var(--glow-lg), 0 12px 30px rgba(217, 70, 239, 0.4);
}

.btn-accent {
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: var(--dark);
  box-shadow: 0 4px 15px rgba(245, 158, 11, 0.3);
}

.btn-accent:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(245, 158, 11, 0.5);
}

.btn-success {
  background: linear-gradient(135deg, var(--success), var(--success-dark));
  color: white;
  box-shadow: var(--glow-success);
}

.btn-success:hover {
  transform: translateY(-3px);
  box-shadow: var(--glow-lg), 0 12px 30px rgba(16, 185, 129, 0.4);
}

.btn-error {
  background: linear-gradient(135deg, var(--error), var(--error-dark));
  color: white;
  box-shadow: var(--glow-error);
}

.btn-error:hover {
  transform: translateY(-3px);
  box-shadow: var(--glow-lg), 0 12px 30px rgba(239, 68, 68, 0.4);
}

.btn-outline {
  background: transparent;
  border: 2px solid var(--glass-border);
  color: var(--light);
  backdrop-filter: blur(10px);
}

.btn-outline:hover {
  background: var(--glass-light);
  border-color: var(--primary);
  transform: translateY(-3px);
}

.btn-ghost {
  background: transparent;
  border: 1px solid transparent;
  color: var(--light);
}

.btn-ghost:hover {
  background: var(--glass);
  border-color: var(--glass-border);
}

/* Button Sizes */
.btn-xs {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-xs);
  border-radius: var(--radius);
}

.btn-sm {
  padding: var(--space-3) var(--space-6);
  font-size: var(--text-sm);
  border-radius: var(--radius-md);
}

.btn-lg {
  padding: var(--space-6) var(--space-12);
  font-size: var(--text-lg);
  border-radius: var(--radius-xl);
}

.btn-xl {
  padding: var(--space-8) var(--space-16);
  font-size: var(--text-xl);
  border-radius: var(--radius-2xl);
}

.btn-block {
  width: 100%;
  display: flex;
}

/* Button States */
.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none !important;
}

.btn-loading {
  position: relative;
  color: transparent !important;
}

.btn-loading::after {
  content: '';
  position: absolute;
  width: 20px;
  height: 20px;
  border: 2px solid transparent;
  border-top: 2px solid currentColor;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

/* ===== BADGE SYSTEM ===== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
  white-space: nowrap;
  line-height: 1;
}

.badge-primary {
  background: var(--primary-soft);
  border: 1px solid var(--primary);
  color: var(--primary-light);
}

.badge-secondary {
  background: var(--secondary-soft);
  border: 1px solid var(--secondary);
  color: var(--secondary-light);
}

.badge-accent {
  background: var(--accent-soft);
  border: 1px solid var(--accent);
  color: var(--accent-light);
}

.badge-success {
  background: var(--success-soft);
  border: 1px solid var(--success);
  color: var(--success-light);
}

.badge-warning {
  background: var(--warning-soft);
  border: 1px solid var(--warning);
  color: var(--warning-light);
}

.badge-error {
  background: var(--error-soft);
  border: 1px solid var(--error);
  color: var(--error-light);
}

.badge-info {
  background: var(--info-soft);
  border: 1px solid var(--info);
  color: var(--info-light);
}

.badge-light {
  background: var(--glass-light);
  border: 1px solid var(--glass-border-light);
  color: var(--light);
}

.badge-dark {
  background: var(--glass-ultra-dark);
  border: 1px solid var(--glass-border-dark);
  color: var(--gray-300);
}

/* Badge Sizes */
.badge-sm {
  padding: var(--space-1) var(--space-3);
  font-size: 0.7rem;
}

.badge-lg {
  padding: var(--space-3) var(--space-5);
  font-size: var(--text-sm);
}

/* ===== ICON SYSTEM ===== */
.icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-lg);
  transition: all var(--transition);
}

.icon-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
  box-shadow: 0 4px 15px rgba(124, 58, 237, 0.3);
}

.icon-secondary {
  background: linear-gradient(135deg, var(--secondary), var(--secondary-dark));
  color: white;
  box-shadow: 0 4px 15px rgba(217, 70, 239, 0.3);
}

.icon-accent {
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: var(--dark);
  box-shadow: 0 4px 15px rgba(245, 158, 11, 0.3);
}

.icon-success {
  background: linear-gradient(135deg, var(--success), var(--success-dark));
  color: white;
  box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
}

.icon-outline {
  background: transparent;
  border: 2px solid var(--glass-border);
  color: var(--light);
}

.icon-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
}

/* Icon Sizes */
.icon-xs {
  width: 24px;
  height: 24px;
  font-size: 0.75rem;
}

.icon-sm {
  width: 32px;
  height: 32px;
  font-size: 0.875rem;
}

.icon-md {
  width: 48px;
  height: 48px;
  font-size: 1.25rem;
}

.icon-lg {
  width: 64px;
  height: 64px;
  font-size: 1.5rem;
}

.icon-xl {
  width: 80px;
  height: 80px;
  font-size: 2rem;
}

.icon-2xl {
  width: 96px;
  height: 96px;
  font-size: 2.5rem;
}

/* ===== FORM SYSTEM ===== */
.form-group {
  margin-bottom: var(--space-8);
}

.form-label {
  display: block;
  margin-bottom: var(--space-3);
  font-weight: 600;
  color: var(--light);
  font-size: var(--text-sm);
}

.form-control {
  width: 100%;
  padding: var(--space-4) var(--space-6);
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  color: var(--light);
  font-family: var(--font-primary);
  transition: all var(--transition);
  backdrop-filter: blur(10px);
  font-size: var(--text-base);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-soft);
  background: rgba(255, 255, 255, 0.05);
}

.form-control::placeholder {
  color: var(--gray-400);
}

.form-control:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* Form Validation */
.form-control.is-valid {
  border-color: var(--success);
  box-shadow: 0 0 0 3px var(--success-soft);
}

.form-control.is-invalid {
  border-color: var(--error);
  box-shadow: 0 0 0 3px var(--error-soft);
}

.form-text {
  font-size: var(--text-sm);
  color: var(--gray-400);
  margin-top: var(--space-2);
}

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

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

/* ===== LAYOUT SYSTEM ===== */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.container-fluid {
  width: 100%;
  padding: 0 var(--space-6);
}

.container-sm {
  max-width: 640px;
}

.container-md {
  max-width: 768px;
}

.container-lg {
  max-width: 1024px;
}

.container-xl {
  max-width: 1280px;
}

/* ===== GRID SYSTEM ===== */
.grid {
  display: grid;
  gap: var(--space-8);
}

.grid-1 { grid-template-columns: 1fr; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-5 { grid-template-columns: repeat(5, 1fr); }
.grid-6 { grid-template-columns: repeat(6, 1fr); }

.grid-auto-fit {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.grid-auto-fill {
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
}

/* ===== FLEXBOX SYSTEM ===== */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-row { flex-direction: row; }
.flex-wrap { flex-wrap: wrap; }
.flex-nowrap { flex-wrap: nowrap; }

.justify-start { justify-content: flex-start; }
.justify-end { justify-content: flex-end; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-around { justify-content: space-around; }
.justify-evenly { justify-content: space-evenly; }

.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }
.items-center { align-items: center; }
.items-baseline { align-items: baseline; }
.items-stretch { align-items: stretch; }

/* ===== SPACING SYSTEM ===== */
/* Margin */
.m-0 { margin: var(--space-0); }
.m-1 { margin: var(--space-1); }
.m-2 { margin: var(--space-2); }
.m-3 { margin: var(--space-3); }
.m-4 { margin: var(--space-4); }
.m-5 { margin: var(--space-5); }
.m-6 { margin: var(--space-6); }
.m-8 { margin: var(--space-8); }
.m-10 { margin: var(--space-10); }
.m-12 { margin: var(--space-12); }
.m-16 { margin: var(--space-16); }
.m-20 { margin: var(--space-20); }
.m-24 { margin: var(--space-24); }
.m-32 { margin: var(--space-32); }

/* Margin Top */
.mt-0 { margin-top: var(--space-0); }
.mt-1 { margin-top: var(--space-1); }
.mt-2 { margin-top: var(--space-2); }
.mt-3 { margin-top: var(--space-3); }
.mt-4 { margin-top: var(--space-4); }
.mt-5 { margin-top: var(--space-5); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }
.mt-10 { margin-top: var(--space-10); }
.mt-12 { margin-top: var(--space-12); }
.mt-16 { margin-top: var(--space-16); }
.mt-20 { margin-top: var(--space-20); }
.mt-24 { margin-top: var(--space-24); }
.mt-32 { margin-top: var(--space-32); }

/* Similarly for mb, ml, mr, mx, my */

/* Padding */
.p-0 { padding: var(--space-0); }
.p-1 { padding: var(--space-1); }
.p-2 { padding: var(--space-2); }
.p-3 { padding: var(--space-3); }
.p-4 { padding: var(--space-4); }
.p-5 { padding: var(--space-5); }
.p-6 { padding: var(--space-6); }
.p-8 { padding: var(--space-8); }
.p-10 { padding: var(--space-10); }
.p-12 { padding: var(--space-12); }
.p-16 { padding: var(--space-16); }
.p-20 { padding: var(--space-20); }
.p-24 { padding: var(--space-24); }
.p-32 { padding: var(--space-32); }

/* Similarly for pt, pb, pl, pr, px, py */

/* ===== ANIMATION SYSTEM ===== */
@keyframes gradientFlow {
  0%, 100% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
}

@keyframes float {
  0%, 100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-20px);
  }
}

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

@keyframes pulse {
  0%, 100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.05);
    opacity: 0.8;
  }
}

@keyframes pulse-soft {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.02);
  }
}

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

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

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

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

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

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

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

@keyframes bounce {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20%, 60% { transform: translateX(-5px); }
  40%, 80% { transform: translateX(5px); }
}

/* Animation Classes */
.animate-float {
  animation: float 6s ease-in-out infinite;
}

.animate-float-sm {
  animation: float-sm 4s ease-in-out infinite;
}

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

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

.animate-slide-in-up {
  animation: slideInUp 0.6s ease-out;
}

.animate-slide-in-down {
  animation: slideInDown 0.6s ease-out;
}

.animate-slide-in-left {
  animation: slideInLeft 0.6s ease-out;
}

.animate-slide-in-right {
  animation: slideInRight 0.6s ease-out;
}

.animate-fade-in {
  animation: fadeIn 0.5s ease-out;
}

.animate-fade-out {
  animation: fadeOut 0.5s ease-out;
}

.animate-spin {
  animation: spin 1s linear infinite;
}

.animate-bounce {
  animation: bounce 1s ease-in-out infinite;
}

.animate-shake {
  animation: shake 0.5s ease-in-out;
}

.animate-ping {
  animation: ping 1s cubic-bezier(0, 0, 0.2, 1) infinite;
}

@keyframes ping {
  75%, 100% {
    transform: scale(2);
    opacity: 0;
  }
}

/* ===== COMPONENT SPECIFIC STYLES ===== */

/* Medical Specific Components */
.medical-card {
  background: var(--glass);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.medical-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  opacity: 0;
  transition: opacity var(--transition);
}

.medical-card:hover::before {
  opacity: 1;
}

.medical-card-featured {
  border: 1px solid var(--glass-border-primary);
  background: var(--glass-primary);
}

/* Doctor Profile Card */
.doctor-card {
  background: var(--glass);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  text-align: center;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.doctor-card:hover {
  transform: translateY(-8px);
  border-color: var(--primary);
  box-shadow: var(--glow), var(--shadow-xl);
}

.doctor-avatar {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  margin: 0 auto var(--space-6);
  border: 4px solid var(--glass-border);
  position: relative;
  overflow: hidden;
}

.doctor-status {
  position: absolute;
  bottom: 8px;
  right: 8px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 2px solid var(--light);
}

.status-online {
  background: var(--success);
  box-shadow: 0 0 10px var(--success);
}

.status-offline {
  background: var(--gray-400);
}

/* Appointment Card */
.appointment-card {
  background: var(--glass);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  transition: all var(--transition);
}

.appointment-card.upcoming {
  border-left: 4px solid var(--accent);
}

.appointment-card.completed {
  border-left: 4px solid var(--success);
}

.appointment-card.cancelled {
  border-left: 4px solid var(--error);
}

/* Medical Stats Cards */
.stats-card {
  background: var(--glass);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  text-align: center;
}

.stats-value {
  font-size: var(--text-4xl);
  font-weight: 800;
  margin-bottom: var(--space-2);
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stats-label {
  color: var(--gray-400);
  font-size: var(--text-sm);
  font-weight: 600;
}

/* Medical Timeline */
.timeline {
  position: relative;
  padding-left: var(--space-8);
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, transparent, var(--primary), transparent);
}

.timeline-item {
  position: relative;
  margin-bottom: var(--space-8);
  padding-left: var(--space-6);
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -9px;
  top: var(--space-4);
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--primary);
  border: 3px solid var(--dark);
}

/* Medical Badges */
.specialty-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--light);
}

.experience-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: var(--accent-soft);
  border: 1px solid var(--accent);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--accent-light);
}

/* Medical Progress */
.progress-bar {
  width: 100%;
  height: 8px;
  background: var(--glass);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  border-radius: var(--radius-full);
  transition: width var(--transition-slow);
  position: relative;
  overflow: hidden;
}

.progress-fill::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
  animation: shimmer 2s infinite;
}

@keyframes shimmer {
  0% { left: -100%; }
  100% { left: 100%; }
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 1200px) {
  .container {
    max-width: 1140px;
  }
  .grid-4 {
    grid-template-columns: repeat(3, 1fr);
  }
  .grid-5 {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (max-width: 992px) {
  .container {
    max-width: 960px;
  }
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  .grid-5, .grid-6 {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .container {
    max-width: 720px;
    padding: 0 var(--space-4);
  }
  .grid-2, .grid-3, .grid-4, .grid-5, .grid-6 {
    grid-template-columns: 1fr;
  }
  .hero-title {
    font-size: clamp(2rem, 4vw, 3rem);
  }
  .section-title {
    font-size: clamp(1.5rem, 3vw, 2.5rem);
  }
  .btn-lg {
    padding: var(--space-4) var(--space-8);
    font-size: var(--text-base);
  }
  .glass-card {
    border-radius: var(--radius-xl);
  }
}

@media (max-width: 576px) {
  .container {
    max-width: 100%;
    padding: 0 var(--space-4);
  }
  .btn-xl {
    padding: var(--space-6) var(--space-8);
    font-size: var(--text-base);
  }
  .medical-card, .doctor-card {
    padding: var(--space-6);
  }
}

/* ===== ACCESSIBILITY ===== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !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 styles for accessibility */
.focus\:ring:focus {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* ===== DARK MODE SUPPORT ===== */
@media (prefers-color-scheme: dark) {
  :root {
    --glass: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-light: rgba(255, 255, 255, 0.1);
  }
}

/* ===== PRINT STYLES ===== */
@media print {
  .glass-card, .glass-panel, .glass-button {
    background: white !important;
    border: 1px solid #ddd !important;
    box-shadow: none !important;
    backdrop-filter: none !important;
  }

  .btn {
    background: #f8f9fa !important;
    border: 1px solid #ddd !important;
    color: #333 !important;
  }

  .text-gradient {
    background: none !important;
    -webkit-text-fill-color: #333 !important;
    color: #333 !important;
  }
}

/* ===== CUSTOM SCROLLBAR ===== */
::-webkit-scrollbar {
  width: 8px;
}

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

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

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

/* ===== SELECTION STYLES ===== */
::selection {
  background: var(--primary-soft);
  color: var(--primary-light);
}

::-moz-selection {
  background: var(--primary-soft);
  color: var(--primary-light);
}