/* ===== LOGIN PAGE STYLES ===== */

/* Login Page Layout */
.login-page {
    background: linear-gradient(135deg, var(--color-background) 0%, var(--color-background-alt) 100%);
    min-height: 100vh;
}

.login-main {
    padding: var(--spacing-xl) 0;
    min-height: calc(100vh - 140px);
    display: flex;
    align-items: center;
}

.login-container {
    max-width: 480px;
    margin: 0 auto;
    width: 100%;
}

/* Login Card */
.login-card {
    background: var(--color-background);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    padding: var(--spacing-3xl);
    border: 1px solid var(--color-border);
    position: relative;
    overflow: hidden;
}

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

/* Login Header */
.login-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.login-header h1 {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
}

.login-description {
    color: var(--color-text-light);
    font-size: var(--font-size-lg);
    line-height: 1.5;
}

/* Login Form */
.login-form {
    margin-bottom: var(--spacing-xl);
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
}

.form-label i {
    color: var(--color-primary);
    width: 16px;
}

.form-input {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-base);
    color: var(--color-text);
    background-color: var(--color-background);
    transition: all var(--transition-normal);
    font-family: var(--font-family);
}

.form-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgb(59 130 246 / 0.1);
    transform: translateY(-1px);
}

.form-input:invalid:not(:placeholder-shown) {
    border-color: var(--color-danger, #ef4444);
}

.form-input::placeholder {
    color: var(--color-text-light);
}

/* Password Input with Toggle */
.password-input-wrapper {
    position: relative;
}

.password-input-wrapper .form-input {
    padding-right: 50px;
}

.password-toggle {
    position: absolute;
    right: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--color-text-light);
    cursor: pointer;
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

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

.password-toggle:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* Checkbox Styling */
.checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    cursor: pointer;
    user-select: none;
    font-size: var(--font-size-sm);
    color: var(--color-text);
}

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

.checkbox-custom {
    width: 20px;
    height: 20px;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-background);
    position: relative;
    transition: all var(--transition-fast);
    flex-shrink: 0;
}

.checkbox-input:checked + .checkbox-custom {
    background: var(--color-primary);
    border-color: var(--color-primary);
}

.checkbox-input:checked + .checkbox-custom::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 12px;
    font-weight: bold;
}

.checkbox-input:focus + .checkbox-custom {
    box-shadow: 0 0 0 3px rgb(59 130 246 / 0.1);
}

.checkbox-text {
    font-weight: 500;
}

/* Login Button */
.btn-login {
    font-size: var(--font-size-lg);
    font-weight: 600;
    padding: var(--spacing-lg) var(--spacing-xl);
    margin: var(--spacing-xl) 0;
    position: relative;
    overflow: hidden;
}

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

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

.btn-login.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid transparent;
    border-top: 2px solid currentColor;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.btn-login.loading span {
    opacity: 0;
}

/* Field Errors */
.field-error {
    color: var(--color-danger, #ef4444);
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-xs);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    min-height: 20px;
}

.field-error:empty {
    display: none;
}

.field-error::before {
    content: '⚠';
    font-size: var(--font-size-xs);
}

/* Form Messages */
.form-messages {
    margin: var(--spacing-md) 0;
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: 500;
    display: none;
}

.form-messages.show {
    display: block;
}

.form-messages.error {
    background-color: rgb(239 68 68 / 0.1);
    color: var(--color-danger, #ef4444);
    border: 1px solid rgb(239 68 68 / 0.2);
}

.form-messages.success {
    background-color: rgb(16 185 129 / 0.1);
    color: var(--color-success, #10b981);
    border: 1px solid rgb(16 185 129 / 0.2);
}

.form-messages.info {
    background-color: rgb(59 130 246 / 0.1);
    color: var(--color-info, #3b82f6);
    border: 1px solid rgb(59 130 246 / 0.2);
}

/* Rate Limit Warning */
.rate-limit-warning {
    background-color: rgb(245 158 11 / 0.1);
    color: var(--color-warning, #f59e0b);
    border: 1px solid rgb(245 158 11 / 0.2);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: 500;
    margin: var(--spacing-md) 0;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.rate-limit-warning.hidden {
    display: none;
}

.rate-limit-warning i {
    color: var(--color-warning, #f59e0b);
}

/* Secondary Links */
.login-links {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
}

.forgot-password-link,
.back-home-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-decoration: none;
    color: var(--color-text-light);
    font-size: var(--font-size-sm);
    font-weight: 500;
    padding: var(--spacing-sm) 0;
    transition: all var(--transition-fast);
    border-radius: var(--radius-sm);
}

.forgot-password-link:hover,
.back-home-link:hover {
    color: var(--color-primary);
    transform: translateX(4px);
}

.forgot-password-link i,
.back-home-link i {
    width: 16px;
    text-align: center;
}

/* Patient Info */
.patient-info {
    background-color: var(--color-background-alt);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    text-align: center;
}

.patient-info i {
    color: var(--color-primary);
    flex-shrink: 0;
}

/* Security Info (Development Only) */
.security-info {
    background: linear-gradient(135deg, #10b981, #059669);
    color: white;
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    margin-top: var(--spacing-xl);
    box-shadow: var(--shadow-md);
}

.security-info h3 {
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-lg);
}

.security-info ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.security-info li {
    margin-bottom: var(--spacing-xs);
    font-size: var(--font-size-sm);
}

/* Dark Mode Adjustments */
body.dark .login-card {
    background: var(--color-background-alt);
    border-color: var(--color-border);
}

body.dark .form-input {
    background-color: var(--color-background);
    border-color: var(--color-border);
    color: var(--color-text);
}

body.dark .checkbox-custom {
    background: var(--color-background);
    border-color: var(--color-border);
}

body.dark .patient-info {
    background-color: var(--color-background);
    border-color: var(--color-border);
}

/* Loading States */
.form-loading .form-input {
    opacity: 0.7;
    pointer-events: none;
}

.form-loading .btn-login {
    pointer-events: none;
}

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

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

.login-card {
    animation: slideInUp 0.5s ease-out;
}

/* Responsive Design */
@media (max-width: 768px) {
    .login-main {
        padding: var(--spacing-md) 0;
        min-height: calc(100vh - 120px);
    }
    
    .login-card {
        padding: var(--spacing-xl);
        margin: var(--spacing-md);
        border-radius: var(--radius-lg);
    }
    
    .login-header h1 {
        font-size: var(--font-size-2xl);
    }
    
    .login-description {
        font-size: var(--font-size-base);
    }
    
    .form-input {
        padding: var(--spacing-md);
        font-size: var(--font-size-sm);
    }
    
    .btn-login {
        font-size: var(--font-size-base);
        padding: var(--spacing-md) var(--spacing-lg);
    }
    
    .security-info {
        padding: var(--spacing-md);
    }
}

@media (max-width: 480px) {
    .login-card {
        padding: var(--spacing-lg);
        margin: var(--spacing-sm);
    }
    
    .login-links {
        flex-direction: column;
        align-items: stretch;
    }
    
    .forgot-password-link,
    .back-home-link {
        text-align: center;
        padding: var(--spacing-md);
        background-color: var(--color-background-alt);
        border-radius: var(--radius-md);
    }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    .form-input {
        border-width: 3px;
    }
    
    .checkbox-custom {
        border-width: 3px;
    }
    
    .btn-login {
        border: 3px solid var(--color-primary);
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    .login-card {
        animation: none;
    }
    
    .btn-login:hover {
        transform: none;
    }
    
    .forgot-password-link:hover,
    .back-home-link:hover {
        transform: none;
    }
}

/* Focus Management */
.form-input:focus,
.password-toggle:focus,
.checkbox-input:focus + .checkbox-custom,
.btn-login:focus,
.forgot-password-link:focus,
.back-home-link:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* Print Styles */
@media print {
    .login-page {
        background: white;
    }
    
    .header,
    .footer,
    .security-info {
        display: none;
    }
    
    .login-card {
        box-shadow: none;
        border: 1px solid #000;
    }
}