/* Register Page Styles */
:root {
    --primary-color: #6366f1;
    --secondary-color: #8b5cf6;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --dark-color: #1f2937;
    --light-color: #f8fafc;
    --border-color: #e2e8f0;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Poppins', sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.register-container {
    width: 100%;
    max-width: 450px;
}

.register-card {
    background: white;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    padding: 40px;
    position: relative;
    overflow: hidden;
}

.register-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
}

.register-header {
    text-align: center;
    margin-bottom: 30px;
}

.logo {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.logo i {
    margin-right: 10px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.register-header h2 {
    color: var(--dark-color);
    font-weight: 600;
    margin-bottom: 10px;
}

.register-form {
    margin-bottom: 30px;
}

.form-label {
    font-weight: 500;
    color: var(--dark-color);
    margin-bottom: 8px;
}

.form-control {
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: 12px 16px;
    font-size: 16px;
    transition: all 0.3s ease;
    background-color: #fafafa;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
    background-color: white;
}

.form-control.is-invalid {
    border-color: var(--danger-color);
    background-color: #fef2f2;
}

.form-control.is-valid {
    border-color: var(--success-color);
    background-color: #f0fdf4;
}

.password-input {
    position: relative;
}

.password-toggle {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--dark-color);
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    transition: color 0.3s ease;
}

.password-toggle:hover {
    color: var(--primary-color);
}

.form-text {
    font-size: 0.875rem;
    color: #6b7280;
    margin-top: 4px;
}

.form-check {
    margin-bottom: 20px;
}

.form-check-input {
    border: 2px solid var(--border-color);
    border-radius: 4px;
}

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

.form-check-label {
    font-size: 0.9rem;
    color: var(--dark-color);
}

.register-btn {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border: none;
    border-radius: 12px;
    padding: 14px;
    font-weight: 600;
    font-size: 16px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.register-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.register-btn:active {
    transform: translateY(0);
}

.register-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

.register-btn.loading {
    color: transparent;
}

.register-btn.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 20px;
    height: 20px;
    border: 2px solid transparent;
    border-top: 2px solid white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: translate(-50%, -50%) rotate(0deg); }
    100% { transform: translate(-50%, -50%) rotate(360deg); }
}

.register-footer {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.register-footer a {
    text-decoration: none;
    transition: color 0.3s ease;
}

.register-footer a:hover {
    color: var(--secondary-color) !important;
}

/* Modal Styles */
.modal-content {
    border: none;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
}

.modal-header {
    border-bottom: 1px solid var(--border-color);
    padding: 20px 24px 16px;
}

.modal-title {
    font-weight: 600;
    color: var(--dark-color);
}

.modal-body {
    padding: 24px;
}

.verification-icon {
    margin-bottom: 20px;
}

.pin-input-container {
    margin: 20px 0;
}

.pin-input {
    font-size: 1.5rem;
    font-weight: 600;
    letter-spacing: 8px;
    text-align: center;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: 16px;
    background: #fafafa;
    transition: all 0.3s ease;
}

.pin-input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
    background: white;
}

.verification-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}

.verification-actions .btn {
    border-radius: 8px;
    padding: 10px 20px;
    font-weight: 500;
}

.success-icon {
    margin-bottom: 20px;
}

/* Toast Styles */
.toast {
    border: none;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
}

.toast-header {
    background: white;
    border-bottom: 1px solid var(--border-color);
    border-radius: 12px 12px 0 0;
}

.toast-body {
    background: white;
    border-radius: 0 0 12px 12px;
}

/* Responsive Design */
@media (max-width: 576px) {
    .register-container {
        padding: 10px;
    }
    
    .register-card {
        padding: 30px 20px;
        border-radius: 16px;
    }
    
    .logo {
        font-size: 1.5rem;
    }
    
    .register-header h2 {
        font-size: 1.5rem;
    }
    
    .verification-actions {
        flex-direction: column;
    }
    
    .verification-actions .btn {
        width: 100%;
    }
}

/* Animation Classes */
.fade-in {
    animation: fadeIn 0.5s ease-in;
}

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

.slide-up {
    animation: slideUp 0.3s ease-out;
}

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

/* Loading States */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.loading-spinner {
    background: white;
    padding: 30px;
    border-radius: 16px;
    text-align: center;
    box-shadow: var(--shadow-lg);
}

.spinner-border {
    width: 3rem;
    height: 3rem;
}

/* Success Animation */
.register-success {
    animation: successPulse 0.6s ease-in-out;
}

@keyframes successPulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}