/* ==========================================================================
   Bioclinsa ERP - Authentication Styles
   Based on UI Design Tokens from ui-design.md
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. CSS Variables (Design Tokens)
   -------------------------------------------------------------------------- */
:root {
    /* Primary Colors */
    --color-primary: #16423C;
    --color-primary-hover: #2A5C54;
    
    /* Surface & Background */
    --color-surface: #FFFFFF;
    --color-background: #F8FAFC;
    
    /* Borders */
    --color-border: #E5E7EB;
    --color-border-focus: #16423C;
    
    /* Text */
    --color-text-main: #212121;
    --color-text-muted: #6B7280;
    --color-text-placeholder: #9CA3AF;
    
    /* Semantic Colors */
    --color-danger: #DC2626;
    --color-danger-bg: #FEF2F2;
    
    /* Typography */
    --font-family: 'Inter', system-ui, -apple-system, sans-serif;
    --font-size-xs: 12px;
    --font-size-sm: 13px;
    --font-size-base: 14px;
    --font-size-lg: 16px;
    --font-size-xl: 18px;
    --font-size-2xl: 24px;
    --font-size-3xl: 28px;
    
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    
    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 12px;
    --spacing-lg: 16px;
    --spacing-xl: 24px;
    --spacing-2xl: 32px;
    --spacing-3xl: 48px;
    
    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 200ms ease;
}

/* --------------------------------------------------------------------------
   2. Base Styles
   -------------------------------------------------------------------------- */
* {
    box-sizing: border-box;
}

.auth-body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    color: var(--color-text-main);
    background-color: var(--color-background);
    margin: 0;
    padding: 0;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* --------------------------------------------------------------------------
   3. Auth Container
   -------------------------------------------------------------------------- */
.auth-container {
    width: 100%;
    max-width: 420px;
    padding: var(--spacing-xl);
}

/* --------------------------------------------------------------------------
   4. Auth Card
   -------------------------------------------------------------------------- */
.auth-card {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-3xl) var(--spacing-2xl);
    box-shadow: var(--shadow-lg);
}

/* --------------------------------------------------------------------------
   5. Logo & Branding
   -------------------------------------------------------------------------- */
.auth-logo {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.auth-logo-icon {
    width: 64px;
    height: 64px;
    background-color: var(--color-primary);
    border-radius: var(--radius-lg);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-lg);
}

.auth-logo-icon svg {
    width: 36px;
    height: 36px;
    color: #FFFFFF;
}

.auth-logo-title {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-main);
    margin: 0 0 var(--spacing-xs) 0;
}

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

/* --------------------------------------------------------------------------
   6. Auth Header
   -------------------------------------------------------------------------- */
.auth-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.auth-title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-main);
    margin: 0 0 var(--spacing-sm) 0;
}

.auth-description {
    font-size: var(--font-size-base);
    color: var(--color-text-muted);
    margin: 0;
}

/* --------------------------------------------------------------------------
   7. Form Elements
   -------------------------------------------------------------------------- */
.auth-form-group {
    margin-bottom: var(--spacing-lg);
}

.auth-label {
    display: block;
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-sm);
}

.auth-label .required {
    color: var(--color-danger);
    margin-left: 2px;
}

.auth-input {
    width: 100%;
    height: 44px;
    padding: var(--spacing-md) var(--spacing-lg);
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    color: var(--color-text-main);
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

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

.auth-input:focus {
    outline: none;
    border-color: var(--color-border-focus);
    box-shadow: 0 0 0 3px rgba(22, 66, 60, 0.15);
}

.auth-input.is-invalid {
    border-color: var(--color-danger);
}

.auth-input.is-invalid:focus {
    box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.15);
}

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

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

.auth-password-toggle:hover {
    color: var(--color-text-main);
}

/* --------------------------------------------------------------------------
   8. Checkbox
   -------------------------------------------------------------------------- */
.auth-checkbox-group {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.auth-checkbox {
    width: 18px;
    height: 18px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    accent-color: var(--color-primary);
}

.auth-checkbox-label {
    font-size: var(--font-size-base);
    color: var(--color-text-muted);
    cursor: pointer;
    user-select: none;
}

/* --------------------------------------------------------------------------
   9. Buttons
   -------------------------------------------------------------------------- */
.auth-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    width: 100%;
    height: 44px;
    padding: var(--spacing-md) var(--spacing-xl);
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    text-decoration: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-normal);
}

.auth-btn-primary {
    background-color: var(--color-primary);
    border: 1px solid var(--color-primary);
    color: #FFFFFF;
}

.auth-btn-primary:hover {
    background-color: var(--color-primary-hover);
    border-color: var(--color-primary-hover);
}

.auth-btn-primary:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(22, 66, 60, 0.3);
}

.auth-btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.auth-btn-outline {
    background-color: transparent;
    border: 1px solid var(--color-border);
    color: var(--color-text-main);
}

.auth-btn-outline:hover {
    background-color: var(--color-background);
}

/* --------------------------------------------------------------------------
   10. Links
   -------------------------------------------------------------------------- */
.auth-link {
    font-size: var(--font-size-base);
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.auth-link:hover {
    color: var(--color-primary-hover);
    text-decoration: underline;
}

/* --------------------------------------------------------------------------
   11. Footer Actions
   -------------------------------------------------------------------------- */
.auth-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: var(--spacing-lg);
}

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

.auth-footer-text {
    font-size: var(--font-size-base);
    color: var(--color-text-muted);
}

/* --------------------------------------------------------------------------
   12. Alerts & Messages
   -------------------------------------------------------------------------- */
.auth-alert {
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
    font-size: var(--font-size-base);
}

.auth-alert-danger {
    background-color: var(--color-danger-bg);
    border: 1px solid rgba(220, 38, 38, 0.2);
    color: var(--color-danger);
}

.auth-alert-success {
    background-color: #D1FAE5;
    border: 1px solid rgba(6, 95, 70, 0.2);
    color: #065F46;
}

.auth-alert ul {
    margin: 0;
    padding-left: var(--spacing-lg);
}

.auth-alert li {
    margin-bottom: var(--spacing-xs);
}

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

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

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

.auth-divider-text {
    padding: 0 var(--spacing-lg);
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

/* --------------------------------------------------------------------------
   14. Responsive
   -------------------------------------------------------------------------- */
@media (max-width: 480px) {
    .auth-container {
        padding: var(--spacing-lg);
    }
    
    .auth-card {
        padding: var(--spacing-xl) var(--spacing-lg);
    }
}