/* auth.css - Authentication Pages Styling - Enhanced Premium Design */

/* Auth Container */
.auth-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-6) var(--spacing-4);
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    position: relative;
    overflow: hidden;
}

.auth-container::before {
    content: '';
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(circle at 15% 30%, rgba(106, 17, 203, 0.04) 0%, transparent 50%),
        radial-gradient(circle at 85% 70%, rgba(37, 117, 252, 0.04) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(106, 17, 203, 0.02) 0%, transparent 80%);
    z-index: 1;
    pointer-events: none;
}

.auth-container::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 200px;
    background: linear-gradient(to top, rgba(106, 17, 203, 0.03), transparent);
    pointer-events: none;
    z-index: 1;
}

.auth-card {
    width: 100%;
    max-width: 480px;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-8);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.15), 0 0 0 1px rgba(106, 17, 203, 0.05);
    position: relative;
    z-index: 2;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.auth-card:hover {
    box-shadow: 0 30px 60px -15px rgba(106, 17, 203, 0.2);
}

/* Progress Bar (for signup) */
.auth-progress-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-8);
    position: relative;
    padding: 0 var(--spacing-2);
}

.auth-progress-bar::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--color-gray-200) 0%, var(--color-gray-200) 100%);
    transform: translateY(-50%);
    z-index: 1;
}

.auth-progress-step {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    background: var(--color-white);
    border: 2px solid var(--color-gray-300);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--color-gray-500);
    position: relative;
    z-index: 2;
    transition: all var(--transition-base);
    cursor: default;
}

.auth-progress-step.active {
    border-color: var(--color-primary);
    background: var(--gradient-primary);
    color: var(--color-white);
    transform: scale(1.1);
    box-shadow: 0 4px 12px rgba(106, 17, 203, 0.3);
}

.auth-progress-step.completed {
    border-color: #10b981;
    background: var(--color-white);
    color: #10b981;
}

.auth-progress-step.completed::after {
    content: '✓';
    font-size: 1rem;
    font-weight: 700;
}

/* Step Content */
.auth-step-content {
    display: none;
    animation: fadeInUp 0.4s cubic-bezier(0.2, 0.9, 0.4, 1.1);
}

.auth-step-content.active {
    display: block;
}

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

.auth-header {
    text-align: center;
    margin-bottom: var(--spacing-8);
}

.auth-title {
    font-size: 1.875rem;
    font-weight: 800;
    background: linear-gradient(135deg, #6a11cb 0%, #2575fc 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: var(--spacing-2);
    letter-spacing: -0.02em;
}

.auth-subtitle {
    color: var(--text-secondary);
    font-size: 0.875rem;
    line-height: 1.6;
}

/* Alert Messages */
.auth-alert {
    padding: var(--spacing-3) var(--spacing-4);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-6);
    font-size: 0.875rem;
    font-weight: 500;
    display: none;
    align-items: center;
    gap: var(--spacing-2);
    backdrop-filter: blur(4px);
}

.auth-alert.show {
    display: flex;
    animation: fadeIn 0.3s ease-out;
}

.auth-alert.success {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.12), rgba(5, 150, 105, 0.08));
    color: #065f46;
    border-left: 3px solid #10b981;
}

.auth-alert.error {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.12), rgba(220, 38, 38, 0.08));
    color: #991b1b;
    border-left: 3px solid #ef4444;
}

.auth-alert.info {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.12), rgba(37, 99, 235, 0.08));
    color: #1e40af;
    border-left: 3px solid #3b82f6;
}

/* Form Styles */
.auth-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-5);
}

.auth-form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2);
}

.auth-form-label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: -0.01em;
}

.auth-form-input {
    width: 100%;
    padding: var(--spacing-3) var(--spacing-4);
    font-size: 1rem;
    background: var(--color-white);
    border: 1.5px solid var(--border-color);
    border-radius: var(--radius-lg);
    color: var(--text-primary);
    transition: all var(--transition-base);
    font-family: inherit;
}

.auth-form-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(106, 17, 203, 0.1);
}

.auth-form-input.error {
    border-color: #ef4444;
    background-color: rgba(239, 68, 68, 0.02);
}

.auth-error-message {
    font-size: 0.75rem;
    color: #ef4444;
    margin-top: var(--spacing-1);
    display: none;
    font-weight: 500;
}

.auth-error-message.show {
    display: block;
    animation: fadeIn 0.2s ease;
}

/* Password Requirements */
.auth-password-requirements {
    background: linear-gradient(135deg, var(--color-gray-50), var(--color-gray-100));
    border-radius: var(--radius-lg);
    padding: var(--spacing-3) var(--spacing-4);
    margin-top: var(--spacing-2);
    border: 1px solid var(--border-color);
}

.auth-requirement {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    font-size: 0.75rem;
    color: var(--text-tertiary);
    margin-bottom: var(--spacing-2);
    transition: color 0.2s ease;
}

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

.auth-requirement i {
    font-size: 0.625rem;
    width: 14px;
    text-align: center;
}

.auth-requirement.valid {
    color: #10b981;
}

.auth-requirement.valid i {
    color: #10b981;
}

.auth-requirement.invalid {
    color: var(--text-tertiary);
}

/* Password Input Wrapper */
.auth-password-wrapper {
    position: relative;
}

.auth-password-toggle {
    position: absolute;
    right: var(--spacing-3);
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--color-gray-500);
    cursor: pointer;
    padding: var(--spacing-2);
    transition: all var(--transition-base);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
}

.auth-password-toggle:hover {
    color: var(--color-primary);
    background: rgba(106, 17, 203, 0.05);
}

/* OTP Timer */
.auth-timer {
    text-align: center;
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin: var(--spacing-4) 0;
    padding: var(--spacing-3);
    background: linear-gradient(135deg, rgba(106, 17, 203, 0.05), rgba(37, 117, 252, 0.03));
    border-radius: var(--radius-lg);
    font-weight: 600;
    font-family: monospace;
    letter-spacing: 0.5px;
}

.auth-timer.warning {
    color: #f59e0b;
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.1), rgba(245, 158, 11, 0.05));
}

.auth-timer.expired {
    color: #ef4444;
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.1), rgba(239, 68, 68, 0.05));
}

/* Success Message */
.auth-success-message {
    text-align: center;
    padding: var(--spacing-6) var(--spacing-4);
    animation: fadeInUp 0.5s ease;
}

.auth-success-icon {
    width: 72px;
    height: 72px;
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-4);
    color: var(--color-white);
    font-size: 2rem;
    box-shadow: 0 10px 25px -5px rgba(16, 185, 129, 0.3);
}

/* Form Actions */
.auth-form-actions {
    display: flex;
    gap: var(--spacing-3);
    margin-top: var(--spacing-6);
}

.auth-form-actions .btn {
    flex: 1;
}

/* Buttons */
.auth-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-2);
    padding: var(--spacing-3) var(--spacing-6);
    font-size: 0.9375rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--radius-lg);
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
    font-family: inherit;
    letter-spacing: -0.01em;
}

.auth-btn-primary {
    background: var(--gradient-primary);
    color: var(--color-white);
    position: relative;
    overflow: hidden;
}

.auth-btn-primary::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 0.5s ease;
}

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

.auth-btn-primary:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 12px 20px -12px rgba(106, 17, 203, 0.5);
}

.auth-btn-secondary {
    background: var(--color-white);
    color: var(--color-primary);
    border: 1.5px solid var(--color-primary);
}

.auth-btn-secondary:hover:not(:disabled) {
    background: linear-gradient(135deg, rgba(106, 17, 203, 0.05), rgba(37, 117, 252, 0.05));
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(106, 17, 203, 0.15);
}

.auth-btn-full {
    width: 100%;
}

.auth-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
}

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

.auth-btn-loading::after {
    content: '';
    position: absolute;
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: var(--color-white);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* Remember Me & Forgot Password */
.auth-remember-me {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
}

.auth-remember-me input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--color-primary);
    cursor: pointer;
}

.auth-remember-me label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    cursor: pointer;
    user-select: none;
}

.auth-forgot-password {
    text-align: right;
}

.auth-forgot-password a {
    color: var(--color-primary);
    font-size: 0.8125rem;
    text-decoration: none;
    font-weight: 500;
    transition: all var(--transition-base);
}

.auth-forgot-password a:hover {
    color: var(--color-primary-dark);
    text-decoration: underline;
}

/* Google Button (for login) */
.auth-google-btn {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    background: var(--color-white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 0.75rem 1rem;
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: inherit;
    margin-top: 0.5rem;
}

.auth-google-btn i {
    font-size: 1.25rem;
    color: #db4437;
}

.auth-google-btn:hover {
    background: #f8fafc;
    border-color: var(--color-primary);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(106, 17, 203, 0.1);
}

/* Divider OR */
.auth-divider {
    display: flex;
    align-items: center;
    text-align: center;
    margin: 1.5rem 0;
}

.auth-divider::before,
.auth-divider::after {
    content: '';
    flex: 1;
    border-bottom: 1px solid var(--border-color);
}

.auth-divider span {
    padding: 0 0.75rem;
    color: var(--text-tertiary);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

/* Resend OTP */
.auth-resend-otp {
    text-align: center;
    margin: var(--spacing-4) 0;
}

.auth-resend-btn {
    background: none;
    border: none;
    color: var(--color-primary);
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
    padding: var(--spacing-2) var(--spacing-3);
    border-radius: var(--radius-md);
}

.auth-resend-btn:hover:not(:disabled) {
    background: rgba(106, 17, 203, 0.05);
    color: var(--color-primary-dark);
}

.auth-resend-btn:disabled {
    color: var(--color-gray-400);
    cursor: not-allowed;
}

/* Form Footer */
.auth-form-footer {
    text-align: center;
    margin-top: var(--spacing-8);
    padding-top: var(--spacing-6);
    border-top: 1px solid var(--border-light);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.auth-form-footer a {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 700;
    transition: all var(--transition-base);
}

.auth-form-footer a:hover {
    color: var(--color-primary-dark);
    text-decoration: underline;
}

/* Turnstile Wrapper */
.turnstile-wrapper {
    display: flex;
    justify-content: center;
    margin: 0.5rem 0;
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    10%, 30%, 50%, 70%, 90% { transform: translateX(-6px); }
    20%, 40%, 60%, 80% { transform: translateX(6px); }
}

/* Mobile Responsiveness */
@media (max-width: 640px) {
    .auth-container {
        padding: var(--spacing-4);
        min-height: 100vh;
        align-items: center;
    }
    
    .auth-card {
        padding: var(--spacing-6);
        border-radius: var(--radius-xl);
        max-width: 100%;
    }
    
    .auth-title {
        font-size: 1.5rem;
    }
    
    .auth-subtitle {
        font-size: 0.8125rem;
    }
    
    .auth-form-actions {
        flex-direction: column;
    }
    
    .auth-form-actions .btn {
        width: 100%;
    }
    
    .auth-progress-step {
        width: 32px;
        height: 32px;
        font-size: 0.75rem;
    }
    
    .auth-success-icon {
        width: 56px;
        height: 56px;
        font-size: 1.5rem;
    }
}

/* Tablet Responsiveness */
@media (min-width: 641px) and (max-width: 1024px) {
    .auth-card {
        max-width: 450px;
        padding: var(--spacing-8);
    }
}

/* Focus States for Accessibility */
.auth-form-input:focus-visible,
.auth-btn:focus-visible,
.auth-password-toggle:focus-visible,
.auth-remember-me input:focus-visible,
.auth-forgot-password a:focus-visible,
.auth-form-footer a:focus-visible,
.auth-resend-btn:focus-visible,
.auth-google-btn:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
    border-radius: var(--radius-md);
}

.auth-remember-me input:focus-visible {
    outline-offset: 1px;
}

/* Loading spinner for buttons */
.auth-btn-loading i,
.auth-btn-loading span {
    visibility: hidden;
}

/* Custom scrollbar for auth pages */
.auth-container ::-webkit-scrollbar {
    width: 6px;
}

.auth-container ::-webkit-scrollbar-track {
    background: var(--color-gray-100);
    border-radius: var(--radius-full);
}

.auth-container ::-webkit-scrollbar-thumb {
    background: var(--color-primary);
    border-radius: var(--radius-full);
}

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

/* Input autofill styles */
.auth-form-input:-webkit-autofill,
.auth-form-input:-webkit-autofill:hover,
.auth-form-input:-webkit-autofill:focus {
    -webkit-box-shadow: 0 0 0 1000px white inset;
    box-shadow: 0 0 0 1000px white inset;
    border-color: var(--color-primary);
}

/* Row flex utility for remember/forgot */
.auth-row-flex {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 0.25rem 0;
}

/* Additional spacing for step forms */
.auth-step-indicator {
    margin-bottom: var(--spacing-6);
}

/* Phone input specific (if used) */
.auth-phone-prefix {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    background: var(--color-gray-50);
    border: 1.5px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 0 var(--spacing-3);
}

.auth-phone-prefix span {
    font-weight: 600;
    color: var(--text-secondary);
}

.auth-phone-prefix .auth-form-input {
    border: none;
    padding-left: 0;
}

.auth-phone-prefix .auth-form-input:focus {
    box-shadow: none;
}

/* UPI ID input styling */
input[type="text"][placeholder*="UPI"] {
    font-family: monospace;
    letter-spacing: 0.3px;
}