/* ============================================
   Authentication Styles
   ============================================ */

.auth-page {
    min-height: 100vh;
    background: linear-gradient(135deg, var(--primary-gradient-start) 0%, var(--primary-gradient-end) 100%);
    display: flex;
    flex-direction: column;
}

.auth-header {
    padding: var(--spacing-md) var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    color: white;
}

.auth-logo-header h1 {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin: 0;
    color: white;
}

.auth-content {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
}

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

.auth-card {
    background: var(--surface);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-xl);
}

.auth-modal {
    max-width: 450px;
}

/* OTP Registration Steps */
.register-step {
    animation: fadeIn 0.3s ease-in;
}

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

.otp-info {
    background: var(--primary-light);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.otp-info p {
    margin: 0;
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.otp-info p:first-child {
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
    color: var(--text);
}

.otp-timer {
    margin-top: var(--spacing-xs);
    font-weight: 600;
    color: var(--primary);
}

.otp-timer span {
    font-family: 'Courier New', monospace;
}

.otp-actions {
    margin-top: var(--spacing-xs);
    text-align: right;
}

.btn-link {
    background: none;
    border: none;
    color: var(--primary);
    font-size: var(--font-size-sm);
    cursor: pointer;
    padding: var(--spacing-xs) 0;
    text-decoration: underline;
    transition: color 0.2s;
}

.btn-link:hover {
    color: var(--primary-dark);
}

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

.auth-logo h2 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.auth-subtitle {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin: 0;
}

/* Input Wrapper */
.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.input-icon {
    position: absolute;
    left: var(--spacing-md);
    color: var(--text-light);
    pointer-events: none;
    z-index: 1;
}

.input-wrapper input {
    padding-left: calc(var(--spacing-md) + 24px + var(--spacing-sm));
    padding-right: calc(var(--spacing-md) + 24px + var(--spacing-sm));
}

.toggle-password {
    position: absolute;
    right: var(--spacing-md);
    background: none;
    border: none;
    color: var(--text-light);
    cursor: pointer;
    padding: var(--spacing-xs);
    display: flex;
    align-items: center;
    justify-content: center;
    -webkit-tap-highlight-color: transparent;
    z-index: 1;
}

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

/* Form Options */
.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    font-size: var(--font-size-sm);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
    color: var(--text-secondary);
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--primary-color);
}

.checkbox-label a {
    color: var(--primary-color);
    text-decoration: none;
}

.checkbox-label a:hover {
    text-decoration: underline;
}

.forgot-password {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
}

.forgot-password:hover {
    text-decoration: underline;
}

/* Password Strength */
.password-strength {
    margin-top: var(--spacing-sm);
}

.strength-bar {
    height: 4px;
    background: var(--border-color);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin-bottom: var(--spacing-xs);
}

.strength-fill {
    height: 100%;
    width: 0%;
    border-radius: var(--radius-full);
    transition: width var(--transition-base), background-color var(--transition-base);
}

.strength-fill.weak {
    width: 33%;
    background: #EF4444;
}

.strength-fill.medium {
    width: 66%;
    background: #F59E0B;
}

.strength-fill.strong {
    width: 100%;
    background: #10B981;
}

.strength-text {
    font-size: var(--font-size-xs);
    color: var(--text-light);
}

.strength-text.weak {
    color: #EF4444;
}

.strength-text.medium {
    color: #F59E0B;
}

.strength-text.strong {
    color: #10B981;
}

/* Password Match */
.password-match {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-sm);
    font-size: var(--font-size-xs);
    color: #10B981;
}

.match-icon {
    color: #10B981;
    font-weight: 700;
}

/* Auth Divider */
.auth-divider {
    display: flex;
    align-items: center;
    margin: var(--spacing-lg) 0;
    text-align: center;
}

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

.auth-divider span {
    padding: 0 var(--spacing-md);
    font-size: var(--font-size-sm);
    color: var(--text-light);
}

/* Social Login */
.social-login {
    margin-bottom: var(--spacing-lg);
}

.btn-social {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: var(--surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-base);
    font-weight: 500;
    color: var(--text-primary);
    cursor: pointer;
    transition: background var(--transition-fast), transform var(--transition-fast);
    -webkit-tap-highlight-color: transparent;
}

.btn-social:active {
    transform: scale(0.98);
    background: var(--background);
}

.btn-social svg {
    flex-shrink: 0;
}

.btn-full {
    width: 100%;
}

/* Auth Footer */
.auth-footer {
    text-align: center;
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
}

.auth-footer p {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin: 0;
}

.auth-footer a {
    color: var(--primary-color);
    font-weight: 600;
    text-decoration: none;
}

.auth-footer a:hover {
    text-decoration: underline;
}