/* ===== REGISTER.CSS - ULTRA PREMIUM REGISTRATION FORM ===== */
/* ===== PROFESSIONAL BUSINESS STANDARD - LIGHT MODE ONLY ===== */

/* ===== GOOGLE FONTS & CSS VARIABLES ===== */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

:root {
  /* Professional Color Palette - Light Mode Only */
  --primary-50: #f0f9ff;
  --primary-100: #e0f2fe;
  --primary-200: #bae6fd;
  --primary-300: #7dd3fc;
  --primary-400: #38bdf8;
  --primary-500: #0ea5e9;
  --primary-600: #0284c7;
  --primary-700: #0369a1;
  --primary-800: #075985;
  --primary-900: #0c4a6e;
  
  /* Secondary Colors - Warm Accents */
  --secondary-50: #fff7ed;
  --secondary-100: #ffedd5;
  --secondary-200: #fed7aa;
  --secondary-300: #fdba74;
  --secondary-400: #fb923c;
  --secondary-500: #f97316;
  --secondary-600: #ea580c;
  --secondary-700: #c2410c;
  
  /* Success/Error States */
  --success-50: #f0fdf4;
  --success-100: #dcfce7;
  --success-500: #22c55e;
  --success-600: #16a34a;
  
  --error-50: #fef2f2;
  --error-100: #fee2e2;
  --error-500: #ef4444;
  --error-600: #dc2626;
  
  --warning-50: #fffbeb;
  --warning-100: #fef3c7;
  --warning-500: #f59e0b;
  
  /* Neutral Colors - Light Mode Only */
  --white: #ffffff;
  --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;
  
  /* Semantic Colors */
  --bg-primary: var(--white);
  --bg-secondary: var(--gray-50);
  --bg-tertiary: var(--gray-100);
  
  --text-primary: var(--gray-900);
  --text-secondary: var(--gray-700);
  --text-tertiary: var(--gray-500);
  --text-inverse: var(--white);
  
  --border-light: var(--gray-200);
  --border-medium: var(--gray-300);
  --border-dark: var(--gray-400);
  
  /* Premium Gradients */
  --gradient-primary: linear-gradient(135deg, var(--primary-600), var(--primary-700));
  --gradient-secondary: linear-gradient(135deg, var(--secondary-500), var(--secondary-600));
  --gradient-accent: linear-gradient(135deg, #0ea5e9, #8b5cf6);
  --gradient-premium: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f97316 100%);
  --gradient-shine: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  
  /* Typography - Responsive Scale */
  --text-xs: clamp(0.75rem, 1.5vw, 0.875rem);
  --text-sm: clamp(0.875rem, 2vw, 1rem);
  --text-base: clamp(1rem, 2.5vw, 1.125rem);
  --text-lg: clamp(1.125rem, 3vw, 1.25rem);
  --text-xl: clamp(1.25rem, 3.5vw, 1.5rem);
  --text-2xl: clamp(1.5rem, 4vw, 2rem);
  --text-3xl: clamp(2rem, 5vw, 2.5rem);
  --text-4xl: clamp(2.5rem, 6vw, 3rem);
  
  /* Spacing - Responsive */
  --space-1: clamp(0.125rem, 0.25vw, 0.25rem);
  --space-2: clamp(0.25rem, 0.5vw, 0.5rem);
  --space-3: clamp(0.5rem, 1vw, 0.75rem);
  --space-4: clamp(0.75rem, 1.5vw, 1rem);
  --space-5: clamp(1rem, 2vw, 1.25rem);
  --space-6: clamp(1.25rem, 2.5vw, 1.5rem);
  --space-8: clamp(1.5rem, 3vw, 2rem);
  --space-10: clamp(2rem, 4vw, 2.5rem);
  --space-12: clamp(2.5rem, 5vw, 3rem);
  --space-16: clamp(3rem, 6vw, 4rem);
  --space-20: clamp(4rem, 8vw, 5rem);
  
  /* Premium Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.02);
  --shadow-base: 0 1px 3px 0 rgba(0, 0, 0, 0.03), 0 1px 2px -1px rgba(0, 0, 0, 0.02);
  --shadow-md: 0 4px 6px -2px rgba(0, 0, 0, 0.03), 0 2px 4px -2px rgba(0, 0, 0, 0.02);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.03), 0 4px 6px -4px rgba(0, 0, 0, 0.02);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.03), 0 8px 10px -6px rgba(0, 0, 0, 0.02);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.05);
  
  /* Premium Inner Shadows */
  --shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.02);
  --shadow-soft: 0 2px 8px 0 rgba(0, 0, 0, 0.02);
  
  /* Border Radius */
  --radius-sm: clamp(0.25rem, 0.5vw, 0.375rem);
  --radius-base: clamp(0.375rem, 0.75vw, 0.5rem);
  --radius-md: clamp(0.5rem, 1vw, 0.75rem);
  --radius-lg: clamp(0.75rem, 1.5vw, 1rem);
  --radius-xl: clamp(1rem, 2vw, 1.5rem);
  --radius-2xl: clamp(1.5rem, 3vw, 2rem);
  --radius-full: 9999px;
  
  /* Transitions */
  --transition-fast: 200ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);
  
  /* Z-index Layers */
  --z-base: 1;
  --z-overlay: 10;
  --z-dropdown: 20;
  --z-modal: 30;
  --z-tooltip: 40;
  
  /* Navbar height - adjust this to match your navbar */
  --navbar-height: 4rem;
}

/* ===== BASE STYLES ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--gray-50);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* ===== REGISTRATION WRAPPER ===== */
.registration-wrapper {
  min-height: 100vh;
  display: flex;
  align-items: flex-start; /* Changed from 'center' to 'flex-start' */
  justify-content: center;
  padding: var(--space-6) var(--space-4); /* Removed navbar padding from here */
  background: linear-gradient(135deg, 
    var(--primary-50) 0%, 
    var(--gray-50) 50%, 
    var(--secondary-50) 100%);
  position: relative;
  overflow-x: hidden;
  overflow-y: auto;
}

/* Premium Background Ornaments */
.registration-wrapper::before {
  content: '';
  position: absolute;
  top: -30%;
  right: -10%;
  width: 60vmax;
  height: 60vmax;
  background: radial-gradient(circle, rgba(14, 165, 233, 0.03) 0%, transparent 70%);
  border-radius: 50%;
  animation: float 20s ease-in-out infinite;
  pointer-events: none;
}

.registration-wrapper::after {
  content: '';
  position: absolute;
  bottom: -20%;
  left: -10%;
  width: 50vmax;
  height: 50vmax;
  background: radial-gradient(circle, rgba(249, 115, 22, 0.03) 0%, transparent 70%);
  border-radius: 50%;
  animation: float 25s ease-in-out infinite reverse;
  pointer-events: none;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  33% { transform: translate(2%, 2%) rotate(120deg); }
  66% { transform: translate(-2%, -2%) rotate(240deg); }
}

/* ===== MAIN CONTAINER ===== */
.registration-container {
  max-width: 32rem;
  width: 100%;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: var(--radius-2xl);
  box-shadow: 
    var(--shadow-2xl),
    0 0 0 1px rgba(255, 255, 255, 0.1);
  overflow: hidden;
  position: relative;
  z-index: var(--z-base);
  animation: containerEnter 0.6s var(--transition-bounce);
  margin: auto; /* This centers vertically within the wrapper */
}

@keyframes containerEnter {
  from {
    opacity: 0;
    transform: translateY(20px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* Premium Border Animation */
.registration-container::after {
  content: '';
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  background: linear-gradient(45deg, 
    var(--primary-400), 
    var(--secondary-400), 
    var(--primary-500), 
    var(--secondary-500));
  border-radius: inherit;
  z-index: -1;
  opacity: 0;
  transition: opacity var(--transition-slow);
}

.registration-container:hover::after {
  opacity: 0.5;
}

/* ===== HEADER SECTION ===== */
.registration-header {
  background: var(--gradient-premium);
  padding: var(--space-12) var(--space-8) var(--space-8);
  text-align: center;
  position: relative;
  overflow: hidden;
}

/* Animated Shine Effect */
.registration-header::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.3) 0%, transparent 70%);
  animation: shine 6s ease-in-out infinite;
  pointer-events: none;
}

@keyframes shine {
  0%, 100% { transform: translate(-30%, -30%) rotate(0deg); opacity: 0; }
  50% { transform: translate(0, 0) rotate(180deg); opacity: 0.3; }
}

/* Premium Logo */
.logo {
  width: 5rem;
  height: 5rem;
  background: rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-2xl);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-6);
  font-size: var(--text-2xl);
  font-weight: 800;
  color: white;
  backdrop-filter: blur(10px);
  border: 2px solid rgba(255, 255, 255, 0.2);
  transition: all var(--transition-bounce);
  position: relative;
  overflow: hidden;
}

.logo::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
  transition: left var(--transition-slow);
}

.logo:hover {
  transform: scale(1.05) rotate(5deg);
  background: rgba(255, 255, 255, 0.25);
  border-color: rgba(255, 255, 255, 0.4);
}

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

.registration-header h2 {
  font-size: var(--text-3xl);
  font-weight: 800;
  margin-bottom: var(--space-3);
  color: white;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  letter-spacing: -0.02em;
}

.registration-header p {
  font-size: var(--text-base);
  color: rgba(255, 255, 255, 0.9);
  max-width: 24rem;
  margin: 0 auto;
  line-height: 1.6;
  font-weight: 400;
}

/* ===== PROGRESS STEPS ===== */
.registration-progress {
  display: flex;
  justify-content: center;
  margin-bottom: var(--space-8);
  padding: 0 var(--space-8);
  position: relative;
}

.registration-progress::before {
  content: '';
  position: absolute;
  top: 1.25rem;
  left: 20%;
  right: 20%;
  height: 3px;
  background: linear-gradient(90deg, 
    var(--gray-200) 0%, 
    var(--gray-200) 100%);
  z-index: 1;
  border-radius: 2px;
}

.progress-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  z-index: 2;
  flex: 1;
}

.step-number {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  background: var(--white);
  border: 2px solid var(--gray-200);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: var(--gray-400);
  margin-bottom: var(--space-2);
  transition: all var(--transition-base);
  font-size: var(--text-sm);
  box-shadow: var(--shadow-sm);
}

.progress-step.active .step-number {
  background: var(--primary-500);
  border-color: var(--primary-500);
  color: white;
  box-shadow: 0 0 0 4px var(--primary-100);
  transform: scale(1.1);
}

.progress-step.completed .step-number {
  background: var(--success-500);
  border-color: var(--success-500);
  color: white;
}

.progress-step.completed .step-number::after {
  content: '✓';
  font-weight: 700;
}

.step-label {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--gray-400);
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: all var(--transition-base);
}

.progress-step.active .step-label {
  color: var(--primary-600);
}

.progress-step.completed .step-label {
  color: var(--success-600);
}

/* ===== BODY SECTION ===== */
.registration-body {
  padding: var(--space-8) var(--space-8) var(--space-10);
  background: var(--white);
}

.registration-form {
  animation: slideInUp 0.6s ease-out;
}

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

/* ===== FORM SECTIONS ===== */
.form-section {
  display: none;
  animation: fadeIn 0.4s ease-out;
}

.form-section.active {
  display: block;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateX(10px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* ===== FORM GROUPS ===== */
.form-group {
  margin-bottom: var(--space-6);
  position: relative;
}

.form-label {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-2);
  font-weight: 600;
  color: var(--text-primary);
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.form-label i {
  color: var(--primary-500);
  font-size: var(--text-sm);
  width: 1rem;
}

/* ===== FORM CONTROLS ===== */
.form-control {
  width: 100%;
  padding: var(--space-4) var(--space-5);
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-lg);
  font-size: var(--text-base);
  font-family: 'Inter', sans-serif;
  transition: all var(--transition-base);
  background: var(--white);
  color: var(--text-primary);
  font-weight: 500;
  box-shadow: var(--shadow-inner);
}

.form-control::placeholder {
  color: var(--gray-400);
  font-weight: 400;
  font-size: var(--text-sm);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary-500);
  box-shadow: 0 0 0 4px var(--primary-100);
  transform: translateY(-1px);
}

.form-control.valid {
  border-color: var(--success-500);
  background: var(--success-50);
}

.form-control.error {
  border-color: var(--error-500);
  background: var(--error-50);
}

/* ===== PASSWORD WRAPPER ===== */
.password-wrapper {
  position: relative;
}

.password-toggle {
  position: absolute;
  right: var(--space-4);
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--gray-400);
  cursor: pointer;
  transition: all var(--transition-fast);
  padding: var(--space-2);
  border-radius: var(--radius-base);
  width: 2.5rem;
  height: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-lg);
}

.password-toggle:hover {
  color: var(--primary-500);
  background: var(--primary-50);
  transform: translateY(-50%) scale(1.1);
}

/* ===== PASSWORD STRENGTH ===== */
.password-strength {
  margin-top: var(--space-4);
  padding: var(--space-4);
  background: var(--gray-50);
  border-radius: var(--radius-lg);
  border: 1px solid var(--gray-200);
}

.requirement {
  display: flex;
  align-items: center;
  margin-bottom: var(--space-2);
  color: var(--gray-500);
  font-size: var(--text-sm);
  transition: all var(--transition-fast);
  font-weight: 500;
}

.requirement:last-child {
  margin-bottom: 0;
}

.requirement.valid {
  color: var(--success-600);
}

.requirement.invalid {
  color: var(--error-500);
}

.requirement i {
  margin-right: var(--space-3);
  font-size: var(--text-xs);
  width: 1rem;
  text-align: center;
  transition: all var(--transition-base);
}

.requirement.valid i {
  transform: scale(1.2);
  color: var(--success-500);
}

.requirement.invalid i {
  color: var(--error-500);
}

/* ===== OTP SECTION ===== */
.otp-section {
  background: linear-gradient(135deg, var(--primary-50), var(--white));
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  margin: var(--space-6) 0;
  border: 2px solid var(--primary-200);
  box-shadow: var(--shadow-lg);
  animation: slideInUp 0.4s ease-out;
}

.otp-input-group {
  display: flex;
  gap: var(--space-4);
  margin-top: var(--space-4);
  align-items: flex-start;
  flex-wrap: wrap;
}

.otp-input {
  flex: 1;
  min-width: 200px;
  font-size: var(--text-xl);
  font-weight: 700;
  letter-spacing: 0.2em;
  text-align: center;
  padding: var(--space-4);
  background: var(--white);
  border: 2px solid var(--primary-200);
}

.otp-input:focus {
  border-color: var(--primary-500);
  box-shadow: 0 0 0 4px var(--primary-100);
}

.otp-btn {
  padding: var(--space-4) var(--space-8);
  background: var(--gradient-primary);
  color: white;
  border: none;
  border-radius: var(--radius-lg);
  cursor: pointer;
  font-weight: 600;
  transition: all var(--transition-base);
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: var(--space-3);
  box-shadow: var(--shadow-md);
  font-size: var(--text-sm);
}

.otp-btn:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  filter: brightness(1.1);
}

.otp-btn:disabled {
  background: var(--gray-400);
  cursor: not-allowed;
  opacity: 0.7;
}

.send-otp-btn {
  width: 100%;
  padding: var(--space-4) var(--space-6);
  background: var(--gradient-secondary);
  color: white;
  border: none;
  border-radius: var(--radius-lg);
  cursor: pointer;
  font-weight: 600;
  transition: all var(--transition-base);
  margin-bottom: var(--space-4);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  box-shadow: var(--shadow-md);
  font-size: var(--text-base);
}

.send-otp-btn:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  filter: brightness(1.1);
}

.send-otp-btn:disabled {
  background: var(--gray-400);
  cursor: not-allowed;
  opacity: 0.7;
}

/* Verification Status */
.verification-status {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-top: var(--space-4);
  font-weight: 600;
  font-size: var(--text-sm);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
}

.verification-status.success {
  color: var(--success-600);
  background: var(--success-50);
  border: 1px solid var(--success-200);
}

.verification-status.error {
  color: var(--error-600);
  background: var(--error-50);
  border: 1px solid var(--error-200);
}

/* Success Animation */
.success-animation {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  background: var(--success-500);
  color: white;
  border-radius: 50%;
  animation: successPop 0.5s var(--transition-bounce);
}

@keyframes successPop {
  0% {
    opacity: 0;
    transform: scale(0.3) rotate(-180deg);
  }
  70% {
    transform: scale(1.1) rotate(10deg);
  }
  100% {
    opacity: 1;
    transform: scale(1) rotate(0);
  }
}

.verified {
  color: var(--success-600);
  font-weight: 700;
}

/* Countdown Timer */
.countdown {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  margin-top: var(--space-3);
  font-weight: 600;
  text-align: center;
  padding: var(--space-2) var(--space-4);
  background: var(--gray-100);
  border-radius: var(--radius-full);
  display: inline-block;
}

.countdown.warning {
  background: var(--warning-100);
  color: var(--warning-600);
  animation: pulse 1s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

/* ===== BUTTONS ===== */
.submit-btn {
  width: 100%;
  padding: var(--space-5) var(--space-8);
  background: var(--gradient-primary);
  color: white;
  border: none;
  border-radius: var(--radius-xl);
  font-size: var(--text-base);
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition-base);
  margin-top: var(--space-4);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  box-shadow: var(--shadow-lg);
  letter-spacing: 0.02em;
}

.submit-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);
}

.submit-btn:hover:not(:disabled) {
  transform: translateY(-3px);
  box-shadow: var(--shadow-xl);
  filter: brightness(1.1);
}

.submit-btn:hover:not(:disabled)::before {
  left: 100%;
}

.submit-btn:disabled {
  background: var(--gray-400);
  cursor: not-allowed;
  opacity: 0.7;
  transform: none;
  box-shadow: var(--shadow-sm);
}

/* Button Outline */
.btn-outline {
  padding: var(--space-4) var(--space-6);
  background: transparent;
  color: var(--primary-600);
  border: 2px solid var(--primary-600);
  border-radius: var(--radius-lg);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-base);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  justify-content: center;
  font-size: var(--text-sm);
}

.btn-outline:hover {
  background: var(--primary-600);
  color: white;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* ===== FORM NAVIGATION ===== */
.form-navigation {
  display: flex;
  gap: var(--space-4);
  margin-top: var(--space-8);
}

.form-navigation .submit-btn {
  flex: 2;
  margin-top: 0;
}

.form-navigation .btn-outline {
  flex: 1;
}

/* ===== FEEDBACK & VALIDATION ===== */
.username-feedback {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-top: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 500;
  transition: all var(--transition-base);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-base);
}

.username-feedback.valid {
  color: var(--success-600);
  background: var(--success-50);
  border: 1px solid var(--success-200);
}

.username-feedback.error {
  color: var(--error-600);
  background: var(--error-50);
  border: 1px solid var(--error-200);
}

.username-feedback.loading {
  color: var(--gray-600);
  background: var(--gray-100);
  border: 1px solid var(--gray-200);
}

/* Field Error */
.field-error {
  color: var(--error-600);
  font-size: var(--text-sm);
  margin-top: var(--space-2);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background: var(--error-50);
  border: 1px solid var(--error-200);
  border-radius: var(--radius-base);
  font-weight: 500;
}

/* Alert Messages */
.alert {
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-6);
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: var(--space-3);
  border-left: 4px solid;
}

.alert-error {
  background: var(--error-50);
  color: var(--error-600);
  border-left-color: var(--error-500);
}

.alert i {
  font-size: var(--text-lg);
}

/* Global Error */
.global-error {
  margin-bottom: var(--space-6);
  animation: slideDown 0.3s ease;
}

/* ===== LOGIN REDIRECT ===== */
.login-redirect {
  text-align: center;
  margin-top: var(--space-8);
  padding-top: var(--space-6);
  border-top: 2px solid var(--gray-100);
}

.login-redirect p {
  color: var(--text-secondary);
  font-size: var(--text-sm);
  margin-bottom: var(--space-2);
}

.login-redirect a {
  color: var(--primary-600);
  text-decoration: none;
  font-weight: 700;
  transition: var(--transition-base);
  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-sm);
}

.login-redirect a:hover {
  color: var(--primary-700);
  background: var(--primary-50);
  transform: translateY(-1px);
}

/* ===== LOADING STATES ===== */
.loading {
  opacity: 0.7;
  pointer-events: none;
  position: relative;
}

.loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 1.5rem;
  height: 1.5rem;
  margin: -0.75rem 0 0 -0.75rem;
  border: 3px solid rgba(255, 255, 255, 0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

/* Button Loading State */
button.loading {
  position: relative;
  color: transparent !important;
  pointer-events: none;
}

button.loading::after {
  content: '';
  position: absolute;
  left: 50%;
  top: 50%;
  width: 1.25rem;
  height: 1.25rem;
  margin: -0.625rem 0 0 -0.625rem;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

/* ===== ANIMATIONS ===== */
@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Validation Loader */
.validation-loader {
  display: inline-block;
  width: 1rem;
  height: 1rem;
  border: 2px solid var(--gray-300);
  border-top-color: var(--primary-500);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin-right: var(--space-2);
  vertical-align: middle;
}

/* Highlight Error Animation */
.highlight-error {
  animation: highlightPulse 2s ease;
  border-color: var(--error-500) !important;
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1) !important;
}

@keyframes highlightPulse {
  0% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.4); }
  70% { box-shadow: 0 0 0 10px rgba(239, 68, 68, 0); }
  100% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0); }
}

/* ===== RESPONSIVE BREAKPOINTS ===== */

/* Tablets (768px - 1024px) */
@media (max-width: 1024px) {
  .registration-container {
    max-width: 28rem;
  }
  
  .registration-header {
    padding: var(--space-10) var(--space-6) var(--space-6);
  }
  
  .registration-body {
    padding: var(--space-6) var(--space-6) var(--space-8);
  }
}

/* Mobile Landscape (576px - 767px) */
@media (max-width: 767px) {
  .registration-wrapper {
    padding: var(--space-4);
    align-items: flex-start;
  }

  .registration-container {
    margin: 0 auto;
    max-width: none;
  }

  .registration-header {
    padding: var(--space-8) var(--space-4) var(--space-6);
  }

  .registration-header h2 {
    font-size: var(--text-2xl);
  }

  .logo {
    width: 4rem;
    height: 4rem;
    font-size: var(--text-xl);
  }

  .registration-body {
    padding: var(--space-6) var(--space-4) var(--space-8);
  }

  .form-control {
    padding: var(--space-4);
    font-size: 16px; /* Prevents zoom on mobile */
  }

  .otp-input-group {
    flex-direction: column;
  }

  .otp-btn {
    width: 100%;
  }

  .form-navigation {
    flex-direction: column;
  }

  .registration-progress::before {
    left: 15%;
    right: 15%;
  }
}

/* Mobile Portrait (480px - 575px) */
@media (max-width: 575px) {
  .registration-wrapper {
    padding: var(--space-3);
  }

  .registration-header {
    padding: var(--space-6) var(--space-3) var(--space-5);
  }

  .registration-body {
    padding: var(--space-5) var(--space-3) var(--space-6);
  }

  .logo {
    width: 3.5rem;
    height: 3.5rem;
  }

  .registration-header h2 {
    font-size: var(--text-xl);
  }

  .registration-progress::before {
    left: 10%;
    right: 10%;
  }

  .step-number {
    width: 2rem;
    height: 2rem;
    font-size: var(--text-xs);
  }

  .step-label {
    font-size: 0.65rem;
  }

  .password-strength {
    padding: var(--space-3);
  }

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

  .submit-btn {
    padding: var(--space-4) var(--space-6);
    font-size: var(--text-sm);
  }

  .otp-section {
    padding: var(--space-4);
  }

  .otp-input {
    font-size: var(--text-lg);
    padding: var(--space-3);
  }
}

/* Small Mobile (360px - 479px) */
@media (max-width: 479px) {
  .registration-wrapper {
    padding: var(--space-2);
  }

  .registration-header {
    padding: var(--space-5) var(--space-2) var(--space-4);
  }

  .registration-body {
    padding: var(--space-4) var(--space-2) var(--space-5);
  }

  .form-group {
    margin-bottom: var(--space-4);
  }

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

  .form-control {
    padding: var(--space-3);
  }

  .password-toggle {
    width: 2rem;
    height: 2rem;
    right: var(--space-2);
  }

  .btn-outline {
    padding: var(--space-3) var(--space-4);
    font-size: var(--text-xs);
  }

  .login-redirect a {
    padding: var(--space-1) var(--space-3);
  }
}

/* Extra Small Mobile (< 360px) */
@media (max-width: 359px) {
  .step-number {
    width: 1.75rem;
    height: 1.75rem;
    font-size: 0.7rem;
  }

  .step-label {
    display: none;
  }

  .registration-progress::before {
    top: 0.875rem;
  }

  .logo {
    width: 3rem;
    height: 3rem;
    font-size: var(--text-lg);
  }

  .registration-header h2 {
    font-size: var(--text-lg);
  }

  .registration-header p {
    font-size: var(--text-xs);
  }

  .otp-input-group {
    gap: var(--space-2);
  }

  .otp-input {
    min-width: 100%;
  }
}

/* ===== TOUCH DEVICE OPTIMIZATIONS ===== */
@media (hover: none) and (pointer: coarse) {
  .form-control,
  .submit-btn,
  .btn-outline,
  .otp-btn,
  .send-otp-btn {
    min-height: 48px;
  }

  .password-toggle {
    min-width: 48px;
    min-height: 48px;
  }

  .company-toggle:hover {
    transform: none;
  }

  .company-toggle:active {
    transform: scale(0.98);
  }
}

/* ===== HIGH CONTRAST MODE ===== */
@media (prefers-contrast: high) {
  .form-control {
    border-width: 2px;
  }

  .registration-container {
    border: 2px solid var(--gray-900);
  }

  .alert {
    border: 1px solid currentColor;
  }
}

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

  .registration-wrapper::before,
  .registration-wrapper::after,
  .registration-container::after,
  .registration-header::before,
  .logo::before,
  .submit-btn::before {
    display: none;
  }
}

/* ===== PRINT STYLES ===== */
@media print {
  .registration-wrapper {
    background: white !important;
    padding: 0;
    min-height: auto;
  }

  .registration-container {
    box-shadow: none !important;
    border: 1px solid var(--gray-900) !important;
    max-width: 100%;
    margin: 0;
  }

  .registration-container::after {
    display: none;
  }

  .password-toggle,
  .submit-btn,
  .btn-outline,
  .otp-btn,
  .send-otp-btn {
    display: none !important;
  }

  .form-control {
    border: 1px solid var(--gray-900) !important;
  }
  
  .registration-progress::before {
    background: var(--gray-900) !important;
  }
}

/* ===== SMOOTH SCROLLING ===== */
html {
  scroll-behavior: smooth;
  scroll-padding-top: 1rem;
}

/* But disable smooth scrolling for users who prefer reduced motion */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

/* Ensure proper scrolling on the wrapper */
.registration-wrapper {
  scroll-behavior: smooth;
}