/**
 * Billvate Enterprise Registration Page Styles
 *
 * Enterprise-grade split-screen registration design
 * Conveys trust, professionalism, and credibility
 *
 * @package Billvate
 * @subpackage Auth
 * @version 1.0.0
 * @author Stackvate Inc.
 */

/* ============================================================================
   CSS Custom Properties - Billvate Brand Colors
   ============================================================================ */
:root {
    /* Primary Colors */
    --reg-primary: #1e3d52;
    --reg-primary-light: #2b5876;
    --reg-primary-dark: #162d3d;
    --reg-primary-rgb: 30, 61, 82;

    /* Accent Colors */
    --reg-accent: #f59e0b;
    --reg-accent-light: #fbbf24;
    --reg-accent-dark: #d97706;

    /* Status Colors */
    --reg-success: #059669;
    --reg-success-light: #10b981;
    --reg-warning: #f59e0b;
    --reg-danger: #dc2626;
    --reg-info: #2563eb;

    /* Neutral Colors */
    --reg-white: #ffffff;
    --reg-gray-50: #f9fafb;
    --reg-gray-100: #f3f4f6;
    --reg-gray-200: #e5e7eb;
    --reg-gray-300: #d1d5db;
    --reg-gray-400: #9ca3af;
    --reg-gray-500: #6b7280;
    --reg-gray-600: #4b5563;
    --reg-gray-700: #374151;
    --reg-gray-800: #1f2937;
    --reg-gray-900: #111827;

    /* Typography */
    --reg-font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --reg-font-size-xs: 0.75rem;
    --reg-font-size-sm: 0.875rem;
    --reg-font-size-base: 1rem;
    --reg-font-size-lg: 1.125rem;
    --reg-font-size-xl: 1.25rem;
    --reg-font-size-2xl: 1.5rem;
    --reg-font-size-3xl: 1.875rem;
    --reg-font-size-4xl: 2.25rem;

    /* Spacing */
    --reg-space-1: 0.25rem;
    --reg-space-2: 0.5rem;
    --reg-space-3: 0.75rem;
    --reg-space-4: 1rem;
    --reg-space-5: 1.25rem;
    --reg-space-6: 1.5rem;
    --reg-space-8: 2rem;
    --reg-space-10: 2.5rem;
    --reg-space-12: 3rem;

    /* Border Radius */
    --reg-radius-sm: 0.375rem;
    --reg-radius-md: 0.5rem;
    --reg-radius-lg: 0.75rem;
    --reg-radius-xl: 1rem;
    --reg-radius-2xl: 1.5rem;

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

    /* Transitions */
    --reg-transition-fast: 150ms ease;
    --reg-transition-base: 200ms ease;
    --reg-transition-slow: 300ms ease;
}

/* ============================================================================
   Registration Page Layout - Split Screen
   ============================================================================ */
.register-page {
    min-height: 100vh;
    display: flex;
    flex-direction: row;
    font-family: var(--reg-font-family);
    background: var(--reg-gray-50);
}

/* ============================================================================
   Left Panel - Brand & Value Propositions
   ============================================================================ */
.register-brand-panel {
    flex: 0 0 42%;
    background: linear-gradient(135deg, var(--reg-primary) 0%, var(--reg-primary-light) 50%, var(--reg-primary) 100%);
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    padding: var(--reg-space-12);
    padding-top: var(--reg-space-8);
    color: var(--reg-white);
    overflow: hidden;
}

/* Background Pattern */
.register-brand-panel::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        radial-gradient(circle at 20% 80%, rgba(255, 255, 255, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(245, 158, 11, 0.1) 0%, transparent 40%),
        radial-gradient(circle at 40% 40%, rgba(255, 255, 255, 0.03) 0%, transparent 30%);
    pointer-events: none;
}

/* Decorative Elements */
.register-brand-panel::after {
    content: '';
    position: absolute;
    bottom: -100px;
    right: -100px;
    width: 400px;
    height: 400px;
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    pointer-events: none;
}

.brand-content {
    position: relative;
    z-index: 1;
    max-width: 480px;
}

/* Logo Section */
.brand-logo {
    display: flex;
    align-items: center;
    gap: var(--reg-space-4);
    margin-bottom: var(--reg-space-8);
    text-decoration: none;
    color: inherit;
    transition: opacity var(--reg-transition-fast);
}

.brand-logo:hover {
    opacity: 0.9;
    text-decoration: none;
}

.brand-logo img {
    height: 48px;
    width: auto;
}

.brand-logo-text {
    font-size: var(--reg-font-size-2xl);
    font-weight: 600;
    letter-spacing: 0.02em;
}

/* Headline */
.brand-headline {
    font-size: var(--reg-font-size-4xl);
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--reg-space-6);
}

.brand-headline span {
    color: var(--reg-accent);
}

.brand-subheadline {
    font-size: var(--reg-font-size-lg);
    font-weight: 300;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: var(--reg-space-10);
}

/* Feature List */
.brand-features {
    list-style: none;
    padding: 0;
    margin: 0 0 var(--reg-space-10) 0;
}

.brand-features li {
    display: flex;
    align-items: flex-start;
    gap: var(--reg-space-4);
    margin-bottom: var(--reg-space-5);
    font-size: var(--reg-font-size-base);
    font-weight: 300;
    line-height: 1.6;
}

.brand-features li i {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--reg-accent);
    color: var(--reg-primary-dark);
    border-radius: 50%;
    font-size: 12px;
    margin-top: 2px;
}

.brand-features li strong {
    color: var(--reg-white);
    font-weight: 500;
}

/* Trust Indicators */
.brand-trust {
    display: flex;
    flex-wrap: wrap;
    gap: var(--reg-space-6);
    padding-top: var(--reg-space-8);
    border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.trust-item {
    display: flex;
    align-items: center;
    gap: var(--reg-space-2);
    font-size: var(--reg-font-size-sm);
    font-weight: 300;
    color: rgba(255, 255, 255, 0.8);
}

.trust-item i {
    color: var(--reg-accent);
    font-size: var(--reg-font-size-base);
}

/* ============================================================================
   Right Panel - Registration Form
   ============================================================================ */
.register-form-panel {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    overflow-y: auto;
}

.register-form-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: var(--reg-space-8) var(--reg-space-12);
    max-width: 640px;
    margin: 0 auto;
    width: 100%;
}

/* Mobile Header (hidden on desktop) */
.register-mobile-header {
    display: none;
    padding: var(--reg-space-6);
    background: var(--reg-primary);
    color: var(--reg-white);
    text-align: center;
}

.register-mobile-header .mobile-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--reg-space-3);
    margin-bottom: var(--reg-space-2);
    text-decoration: none;
    color: inherit;
    transition: opacity var(--reg-transition-fast);
}

.register-mobile-header .mobile-logo:hover {
    opacity: 0.9;
    text-decoration: none;
}

.register-mobile-header .mobile-logo img {
    height: 32px;
}

.register-mobile-header .mobile-tagline {
    font-size: var(--reg-font-size-sm);
    color: rgba(255, 255, 255, 0.8);
}

/* Form Header */
.register-form-header {
    text-align: center;
    margin-bottom: var(--reg-space-8);
}

.register-form-header h1 {
    font-size: var(--reg-font-size-3xl);
    font-weight: 500;
    color: var(--reg-gray-900);
    margin: 0 0 var(--reg-space-2) 0;
    letter-spacing: -0.02em;
}

.register-form-header p {
    font-size: var(--reg-font-size-base);
    font-weight: 300;
    color: var(--reg-gray-500);
    margin: 0;
}

/* Progress Indicator */
.register-progress {
    display: flex;
    justify-content: center;
    gap: var(--reg-space-3);
    margin-bottom: var(--reg-space-8);
}

.progress-step {
    display: flex;
    align-items: center;
    gap: var(--reg-space-2);
    font-size: var(--reg-font-size-sm);
    color: var(--reg-gray-400);
}

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

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

.progress-step .step-number {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-weight: 500;
    font-size: var(--reg-font-size-sm);
    background: var(--reg-gray-200);
    color: var(--reg-gray-500);
}

.progress-step.active .step-number {
    background: var(--reg-primary);
    color: var(--reg-white);
}

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

.progress-step .step-label {
    display: none;
}

.progress-connector {
    width: 40px;
    height: 2px;
    background: var(--reg-gray-200);
    align-self: center;
}

.progress-connector.completed {
    background: var(--reg-success);
}

/* ============================================================================
   Multi-Step Form Wizard
   ============================================================================ */

/* Form Steps - Hidden by default, shown when active */
.form-step {
    display: none;
    animation: stepFadeIn 0.3s ease-out;
}

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

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

/* Step Header with step number indicator */
.step-header {
    display: flex;
    align-items: center;
    gap: var(--reg-space-4);
    margin-bottom: var(--reg-space-6);
    padding-bottom: var(--reg-space-4);
    border-bottom: 1px solid var(--reg-gray-100);
}

.step-indicator {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--reg-primary) 0%, var(--reg-primary-light) 100%);
    color: var(--reg-white);
    border-radius: 50%;
    font-size: var(--reg-font-size-xl);
    font-weight: 500;
    flex-shrink: 0;
}

.step-header-content h2 {
    font-size: var(--reg-font-size-2xl);
    font-weight: 500;
    color: var(--reg-gray-900);
    margin: 0 0 var(--reg-space-1) 0;
    letter-spacing: -0.02em;
}

.step-header-content p {
    font-size: var(--reg-font-size-base);
    font-weight: 300;
    color: var(--reg-gray-500);
    margin: 0;
}

/* Navigation Buttons */
.step-navigation {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--reg-space-4);
    padding: var(--reg-space-6) var(--reg-space-8);
    background: var(--reg-gray-50);
    border-top: 1px solid var(--reg-gray-100);
}

.step-navigation.first-step {
    justify-content: flex-end;
}

.btn-prev,
.btn-next {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--reg-space-2);
    padding: var(--reg-space-3) var(--reg-space-6);
    font-size: var(--reg-font-size-base);
    font-weight: 500;
    font-family: var(--reg-font-family);
    border-radius: var(--reg-radius-md);
    cursor: pointer;
    transition: all var(--reg-transition-base);
    min-width: 140px;
}

.btn-prev {
    background: var(--reg-white);
    color: var(--reg-gray-700);
    border: 1.5px solid var(--reg-gray-300);
}

.btn-prev:hover {
    background: var(--reg-gray-50);
    border-color: var(--reg-gray-400);
}

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

.btn-next {
    background: linear-gradient(135deg, var(--reg-primary) 0%, var(--reg-primary-light) 100%);
    color: var(--reg-white);
    border: none;
    box-shadow: 0 4px 14px rgba(var(--reg-primary-rgb), 0.25);
}

.btn-next:hover:not(:disabled) {
    background: linear-gradient(135deg, var(--reg-primary-light) 0%, var(--reg-primary) 100%);
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(var(--reg-primary-rgb), 0.35);
}

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

.btn-next:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.btn-next i,
.btn-prev i {
    font-size: var(--reg-font-size-sm);
}

/* Step Validation Error */
.step-error {
    display: none;
    padding: var(--reg-space-3) var(--reg-space-4);
    margin-bottom: var(--reg-space-4);
    background: linear-gradient(135deg, #fef2f2 0%, #fee2e2 100%);
    border: 1px solid #fca5a5;
    border-radius: var(--reg-radius-md);
    color: #991b1b;
    font-size: var(--reg-font-size-sm);
}

.step-error.visible {
    display: flex;
    align-items: center;
    gap: var(--reg-space-2);
}

.step-error i {
    color: var(--reg-danger);
    flex-shrink: 0;
}

/* Progress Step Labels - Show on larger screens */
@media (min-width: 768px) {
    .progress-step .step-label {
        display: inline;
        font-weight: 500;
    }

    .progress-step {
        gap: var(--reg-space-3);
    }
}

/* Clickable Progress Steps */
.progress-step.clickable {
    cursor: pointer;
    transition: opacity var(--reg-transition-fast);
}

.progress-step.clickable:hover {
    opacity: 0.8;
}

/* ============================================================================
   Form Styling
   ============================================================================ */
.register-form {
    background: var(--reg-white);
    border-radius: var(--reg-radius-xl);
    box-shadow: var(--reg-shadow-lg);
    border: 1px solid var(--reg-gray-200);
    overflow: hidden;
}

/* Form Sections */
.form-section {
    padding: var(--reg-space-6) var(--reg-space-8);
    border-bottom: 1px solid var(--reg-gray-100);
}

.form-section:last-of-type {
    border-bottom: none;
}

.form-section-header {
    display: flex;
    align-items: center;
    gap: var(--reg-space-3);
    margin-bottom: var(--reg-space-5);
}

.form-section-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--reg-primary) 0%, var(--reg-primary-light) 100%);
    color: var(--reg-white);
    border-radius: var(--reg-radius-md);
    font-size: var(--reg-font-size-lg);
}

.form-section-title {
    flex: 1;
}

.form-section-title h3 {
    font-size: var(--reg-font-size-lg);
    font-weight: 500;
    color: var(--reg-gray-900);
    margin: 0 0 var(--reg-space-1) 0;
}

.form-section-title p {
    font-size: var(--reg-font-size-sm);
    color: var(--reg-gray-500);
    margin: 0;
}

/* Form Grid */
.form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--reg-space-4);
}

.form-grid-full {
    grid-column: 1 / -1;
}

.form-grid-thirds {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--reg-space-4);
}

/* Form Groups */
.form-group {
    margin-bottom: var(--reg-space-4);
}

.form-group:last-child {
    margin-bottom: 0;
}

.form-label {
    display: block;
    font-size: var(--reg-font-size-sm);
    font-weight: 500;
    color: var(--reg-gray-700);
    margin-bottom: var(--reg-space-2);
}

.form-label .required {
    color: var(--reg-danger);
    margin-left: var(--reg-space-1);
}

.form-label .optional {
    color: var(--reg-gray-400);
    font-weight: 300;
    font-size: var(--reg-font-size-xs);
    margin-left: var(--reg-space-2);
}

/* Form Controls */
.form-control {
    width: 100%;
    padding: var(--reg-space-3) var(--reg-space-4);
    font-size: var(--reg-font-size-base);
    font-family: var(--reg-font-family);
    color: var(--reg-gray-900);
    background: var(--reg-white);
    border: 1.5px solid var(--reg-gray-300);
    border-radius: var(--reg-radius-md);
    transition: all var(--reg-transition-fast);
    outline: none;
}

.form-control:hover {
    border-color: var(--reg-gray-400);
}

.form-control:focus {
    border-color: var(--reg-primary);
    box-shadow: 0 0 0 3px rgba(var(--reg-primary-rgb), 0.15);
}

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

.form-control.error {
    border-color: var(--reg-danger);
}

.form-control.success {
    border-color: var(--reg-success);
}

/* Select Styling */
select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236B7280' d='M2.5 4.5L6 8l3.5-3.5'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 40px;
}

/* Textarea */
textarea.form-control {
    resize: vertical;
    min-height: 100px;
}

/* Form Help Text */
.form-help {
    display: block;
    font-size: var(--reg-font-size-xs);
    color: var(--reg-gray-500);
    margin-top: var(--reg-space-1);
}

/* Password Strength */
.password-strength {
    margin-top: var(--reg-space-2);
}

.password-strength-bar {
    height: 4px;
    background: var(--reg-gray-200);
    border-radius: 2px;
    overflow: hidden;
    margin-bottom: var(--reg-space-1);
}

.password-strength-fill {
    height: 100%;
    border-radius: 2px;
    transition: all var(--reg-transition-base);
    width: 0%;
}

.password-strength-fill.weak {
    width: 25%;
    background: var(--reg-danger);
}

.password-strength-fill.fair {
    width: 50%;
    background: var(--reg-warning);
}

.password-strength-fill.good {
    width: 75%;
    background: var(--reg-info);
}

.password-strength-fill.strong {
    width: 100%;
    background: var(--reg-success);
}

.password-strength-text {
    font-size: var(--reg-font-size-xs);
    color: var(--reg-gray-500);
}

/* ============================================================================
   Compliance Section
   ============================================================================ */
.form-section-compliance {
    background: linear-gradient(135deg, var(--reg-gray-50) 0%, var(--reg-white) 100%);
    padding: var(--reg-space-6) var(--reg-space-8);
}

.form-section-compliance .form-section-icon {
    background: linear-gradient(135deg, var(--reg-accent) 0%, var(--reg-accent-dark) 100%);
}

.compliance-intro {
    font-size: var(--reg-font-size-sm);
    color: var(--reg-gray-600);
    margin-bottom: var(--reg-space-5);
    padding: var(--reg-space-4);
    background: var(--reg-white);
    border-radius: var(--reg-radius-md);
    border-left: 4px solid var(--reg-primary);
}

/* Compliance Checkboxes */
.compliance-list {
    display: flex;
    flex-direction: column;
    gap: var(--reg-space-3);
}

.compliance-item {
    background: var(--reg-white);
    border: 1.5px solid var(--reg-gray-200);
    border-radius: var(--reg-radius-md);
    padding: var(--reg-space-4);
    transition: all var(--reg-transition-fast);
    cursor: pointer;
}

.compliance-item:hover {
    border-color: var(--reg-gray-300);
    background: var(--reg-gray-50);
}

.compliance-item.checked {
    border-color: var(--reg-success);
    background: rgba(5, 150, 105, 0.05);
}

.compliance-item.error {
    border-color: var(--reg-danger);
    background: rgba(220, 38, 38, 0.05);
}

.compliance-label {
    display: flex;
    align-items: flex-start;
    gap: var(--reg-space-3);
    cursor: pointer;
    margin: 0;
}

/* Custom Checkbox */
.compliance-checkbox {
    position: relative;
    flex-shrink: 0;
}

.compliance-checkbox input {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.compliance-checkbox .checkmark {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
    border: 2px solid var(--reg-gray-300);
    border-radius: var(--reg-radius-sm);
    background: var(--reg-white);
    transition: all var(--reg-transition-fast);
}

.compliance-checkbox .checkmark i {
    font-size: 12px;
    color: var(--reg-white);
    opacity: 0;
    transform: scale(0.5);
    transition: all var(--reg-transition-fast);
}

.compliance-checkbox input:checked + .checkmark {
    background: var(--reg-success);
    border-color: var(--reg-success);
}

.compliance-checkbox input:checked + .checkmark i {
    opacity: 1;
    transform: scale(1);
}

.compliance-checkbox input:focus + .checkmark {
    box-shadow: 0 0 0 3px rgba(5, 150, 105, 0.2);
}

/* Compliance Text */
.compliance-text {
    flex: 1;
}

.compliance-text .title {
    display: block;
    font-size: var(--reg-font-size-sm);
    font-weight: 500;
    color: var(--reg-gray-800);
    margin-bottom: var(--reg-space-1);
}

.compliance-text .description {
    font-size: var(--reg-font-size-sm);
    color: var(--reg-gray-600);
    line-height: 1.5;
}

.compliance-text a {
    color: var(--reg-primary);
    text-decoration: none;
    font-weight: 500;
}

.compliance-text a:hover {
    text-decoration: underline;
}

.compliance-text .required-mark {
    color: var(--reg-danger);
    font-weight: 500;
}

/* Compliance Warning Notice */
.compliance-warning {
    margin-top: var(--reg-space-5);
    padding: var(--reg-space-4);
    background: linear-gradient(135deg, #fffbeb 0%, #fef3c7 100%);
    border: 1px solid #fcd34d;
    border-radius: var(--reg-radius-md);
    display: flex;
    gap: var(--reg-space-3);
}

.compliance-warning i {
    color: var(--reg-warning);
    font-size: var(--reg-font-size-lg);
    flex-shrink: 0;
    margin-top: 2px;
}

.compliance-warning-text {
    font-size: var(--reg-font-size-sm);
    color: #92400e;
    line-height: 1.5;
}

.compliance-warning-text a {
    color: #92400e;
    text-decoration: underline;
}

/* ============================================================================
   Submit Section
   ============================================================================ */
.form-section-submit {
    padding: var(--reg-space-6) var(--reg-space-8);
    background: var(--reg-gray-50);
}

.submit-button {
    width: 100%;
    padding: var(--reg-space-4) var(--reg-space-6);
    font-size: var(--reg-font-size-lg);
    font-weight: 500;
    font-family: var(--reg-font-family);
    color: var(--reg-white);
    background: linear-gradient(135deg, var(--reg-primary) 0%, var(--reg-primary-light) 100%);
    border: none;
    border-radius: var(--reg-radius-md);
    cursor: pointer;
    transition: all var(--reg-transition-base);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--reg-space-3);
    box-shadow: 0 4px 14px rgba(var(--reg-primary-rgb), 0.3);
}

.submit-button:hover:not(:disabled) {
    background: linear-gradient(135deg, var(--reg-primary-light) 0%, var(--reg-primary) 100%);
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(var(--reg-primary-rgb), 0.4);
}

.submit-button:active:not(:disabled) {
    transform: translateY(0);
}

.submit-button:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.submit-button i {
    font-size: var(--reg-font-size-base);
}

/* Submit Note */
.submit-note {
    text-align: center;
    margin-top: var(--reg-space-4);
    font-size: var(--reg-font-size-sm);
    color: var(--reg-gray-500);
}

.submit-note .required-note {
    color: var(--reg-gray-500);
}

.submit-note .required-note .required {
    color: var(--reg-danger);
}

/* ============================================================================
   Form Footer
   ============================================================================ */
.register-form-footer {
    text-align: center;
    margin-top: var(--reg-space-6);
}

.login-link {
    font-size: var(--reg-font-size-base);
    color: var(--reg-gray-600);
}

.login-link a {
    color: var(--reg-primary);
    font-weight: 500;
    text-decoration: none;
}

.login-link a:hover {
    text-decoration: underline;
}

/* Security Badges */
.security-badges {
    display: flex;
    justify-content: center;
    gap: var(--reg-space-6);
    margin-top: var(--reg-space-6);
    padding-top: var(--reg-space-6);
    border-top: 1px solid var(--reg-gray-200);
}

.security-badge {
    display: flex;
    align-items: center;
    gap: var(--reg-space-2);
    font-size: var(--reg-font-size-sm);
    color: var(--reg-gray-500);
}

.security-badge i {
    color: var(--reg-success);
}

/* ============================================================================
   Alerts
   ============================================================================ */
.alert {
    padding: var(--reg-space-4) var(--reg-space-5);
    border-radius: var(--reg-radius-md);
    margin-bottom: var(--reg-space-6);
    display: flex;
    gap: var(--reg-space-3);
}

.alert i {
    flex-shrink: 0;
    font-size: var(--reg-font-size-lg);
    margin-top: 2px;
}

.alert-content {
    flex: 1;
}

.alert-content strong {
    display: block;
    margin-bottom: var(--reg-space-1);
}

.alert-success {
    background: linear-gradient(135deg, #ecfdf5 0%, #d1fae5 100%);
    border: 1px solid #6ee7b7;
    color: #065f46;
}

.alert-success i {
    color: var(--reg-success);
}

.alert-error {
    background: linear-gradient(135deg, #fef2f2 0%, #fee2e2 100%);
    border: 1px solid #fca5a5;
    color: #991b1b;
}

.alert-error i {
    color: var(--reg-danger);
}

.alert-warning {
    background: linear-gradient(135deg, #fffbeb 0%, #fef3c7 100%);
    border: 1px solid #fcd34d;
    color: #92400e;
}

.alert-warning i {
    color: var(--reg-warning);
}

.alert a {
    color: inherit;
    text-decoration: underline;
}

/* ============================================================================
   Success State
   ============================================================================ */
.register-success {
    text-align: center;
    padding: var(--reg-space-12) var(--reg-space-8);
}

.success-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--reg-space-6);
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--reg-success) 0%, var(--reg-success-light) 100%);
    border-radius: 50%;
    color: var(--reg-white);
    font-size: 36px;
    animation: successPulse 2s ease-in-out infinite;
}

@keyframes successPulse {
    0%, 100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(5, 150, 105, 0.4); }
    50% { transform: scale(1.05); box-shadow: 0 0 0 15px rgba(5, 150, 105, 0); }
}

.success-title {
    font-size: var(--reg-font-size-2xl);
    font-weight: 500;
    color: var(--reg-gray-900);
    margin: 0 0 var(--reg-space-3) 0;
    letter-spacing: -0.02em;
}

.success-message {
    font-size: var(--reg-font-size-base);
    font-weight: 300;
    color: var(--reg-gray-600);
    line-height: 1.6;
    margin-bottom: var(--reg-space-6);
}

.success-email {
    font-weight: 500;
    color: var(--reg-primary);
}

.success-actions {
    display: flex;
    flex-direction: column;
    gap: var(--reg-space-3);
    align-items: center;
}

.success-actions .btn-secondary {
    padding: var(--reg-space-3) var(--reg-space-6);
    font-size: var(--reg-font-size-sm);
    color: var(--reg-gray-600);
    background: var(--reg-white);
    border: 1px solid var(--reg-gray-300);
    border-radius: var(--reg-radius-md);
    text-decoration: none;
    transition: all var(--reg-transition-fast);
}

.success-actions .btn-secondary:hover {
    background: var(--reg-gray-50);
    border-color: var(--reg-gray-400);
}

/* ============================================================================
   Blocked State
   ============================================================================ */
.register-blocked {
    text-align: center;
    padding: var(--reg-space-12) var(--reg-space-8);
}

.blocked-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--reg-space-6);
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--reg-danger) 0%, #ef4444 100%);
    border-radius: 50%;
    color: var(--reg-white);
    font-size: 36px;
}

.blocked-title {
    font-size: var(--reg-font-size-2xl);
    font-weight: 500;
    color: var(--reg-gray-900);
    margin: 0 0 var(--reg-space-3) 0;
    letter-spacing: -0.02em;
}

.blocked-message {
    font-size: var(--reg-font-size-base);
    font-weight: 300;
    color: var(--reg-gray-600);
    line-height: 1.6;
    margin-bottom: var(--reg-space-6);
}

.blocked-contact {
    padding: var(--reg-space-4);
    background: var(--reg-gray-100);
    border-radius: var(--reg-radius-md);
    font-size: var(--reg-font-size-sm);
    color: var(--reg-gray-600);
}

.blocked-contact a {
    color: var(--reg-primary);
    font-weight: 500;
}

/* ============================================================================
   Responsive Design
   ============================================================================ */

/* Large Desktop */
@media (min-width: 1400px) {
    .brand-content {
        max-width: 520px;
    }

    .register-form-container {
        max-width: 680px;
        padding: var(--reg-space-10) var(--reg-space-12);
    }
}

/* Tablet Landscape */
@media (max-width: 1200px) {
    .register-brand-panel {
        flex: 0 0 38%;
        padding: var(--reg-space-8);
    }

    .brand-headline {
        font-size: var(--reg-font-size-3xl);
    }

    .register-form-container {
        padding: var(--reg-space-6) var(--reg-space-8);
    }
}

/* Tablet Portrait */
@media (max-width: 992px) {
    .register-page {
        flex-direction: column;
    }

    .register-brand-panel {
        display: none;
    }

    .register-mobile-header {
        display: block;
    }

    .register-form-panel {
        min-height: auto;
    }

    .register-form-container {
        padding: var(--reg-space-6);
        max-width: 560px;
    }

    .form-section {
        padding: var(--reg-space-5) var(--reg-space-6);
    }

    .form-section-compliance {
        padding: var(--reg-space-5) var(--reg-space-6);
    }

    .form-section-submit {
        padding: var(--reg-space-5) var(--reg-space-6);
    }
}

/* Mobile */
@media (max-width: 640px) {
    .register-form-container {
        padding: var(--reg-space-4);
    }

    .register-form-header h1 {
        font-size: var(--reg-font-size-2xl);
    }

    .form-section {
        padding: var(--reg-space-4) var(--reg-space-5);
    }

    .form-section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--reg-space-3);
    }

    .form-section-icon {
        width: 36px;
        height: 36px;
        font-size: var(--reg-font-size-base);
    }

    .form-grid {
        grid-template-columns: 1fr;
    }

    .form-grid-thirds {
        grid-template-columns: 1fr;
    }

    .compliance-item {
        padding: var(--reg-space-3);
    }

    .compliance-label {
        gap: var(--reg-space-2);
    }

    .security-badges {
        flex-direction: column;
        gap: var(--reg-space-3);
    }

    .progress-step .step-label {
        display: none;
    }

    /* Step Navigation Mobile */
    .step-navigation {
        padding: var(--reg-space-4) var(--reg-space-5);
        flex-direction: column-reverse;
        gap: var(--reg-space-3);
    }

    .btn-prev,
    .btn-next {
        width: 100%;
        min-width: unset;
    }

    .step-header {
        flex-direction: column;
        text-align: center;
    }

    .step-header-content {
        text-align: center;
    }

    .step-header-content h2 {
        font-size: var(--reg-font-size-xl);
    }
}

/* Small Mobile */
@media (max-width: 380px) {
    .register-form-container {
        padding: var(--reg-space-3);
    }

    .form-section {
        padding: var(--reg-space-3) var(--reg-space-4);
    }

    .submit-button {
        padding: var(--reg-space-3) var(--reg-space-4);
        font-size: var(--reg-font-size-base);
    }
}

/* ============================================================================
   Print Styles
   ============================================================================ */
@media print {
    .register-brand-panel {
        display: none;
    }

    .register-form-panel {
        width: 100%;
    }

    .submit-button {
        display: none;
    }
}

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

/* Focus visible for keyboard navigation */
.form-control:focus-visible,
.submit-button:focus-visible,
.compliance-checkbox input:focus-visible + .checkmark {
    outline: 2px solid var(--reg-primary);
    outline-offset: 2px;
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    .form-control {
        border-width: 2px;
    }

    .compliance-item {
        border-width: 2px;
    }

    .submit-button {
        border: 2px solid var(--reg-white);
    }
}