/**
 * ============================================
 * AUTHENTICATION PAGES - STYLES
 * ============================================
 * 
 * Estilos dedicados para as páginas de autenticação
 * - Login, Register, Forgot Password, Reset Password
 * - Design moderno e responsivo
 * - Integrado com Design System
 * 
 * @version 1.0.0
 * @author Painel Mágico
 * @license Proprietário
 */

/* ============================================
   BASE AUTH PAGE LAYOUT
   ============================================ */

.auth-page {
    margin: 0;
    padding: 0;
    font-family: var(--font-primary);
    background: var(--color-bg-secondary);
    min-height: 100vh;
    overflow-x: hidden;
}

.auth-container {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-6);
}

/* ============================================
   BACKGROUND GRADIENT
   ============================================ */

.auth-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    background: var(--gradient-hero);
    opacity: 1;
}

.auth-background::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-mesh);
    opacity: 0.3;
    animation: gradientShift 15s ease infinite;
}

@keyframes gradientShift {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 0.5; }
}

/* ============================================
   CONTENT CONTAINER
   ============================================ */

.auth-content {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 480px;
    margin: 0 auto;
}

/* ============================================
   LOGO AND BRANDING
   ============================================ */

.auth-logo {
    text-align: center;
    margin-bottom: var(--spacing-8);
    animation: fadeInDown 0.6s ease;
}

.auth-logo-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-3);
    text-decoration: none;
    color: var(--color-white);
    transition: all var(--transition-base) var(--ease-out);
}

.auth-logo-link:hover {
    transform: translateY(-2px);
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.2));
}

.auth-logo-icon {
    font-size: var(--font-size-4xl);
    color: var(--color-white);
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
}

.auth-logo-text {
    margin: 0;
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    font-family: var(--font-secondary);
    line-height: var(--line-height-tight);
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
}

.auth-logo-brand {
    color: var(--color-white);
    font-weight: var(--font-weight-extrabold);
}

.auth-logo-separator {
    color: rgba(255, 255, 255, 0.6);
    font-weight: var(--font-weight-light);
}

.auth-logo-subtitle {
    color: rgba(255, 255, 255, 0.95);
    font-weight: var(--font-weight-medium);
    font-size: var(--font-size-lg);
}

/* ============================================
   AUTH CARD - Main Container
   ============================================ */

.auth-card {
    background: var(--color-white);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-2xl);
    overflow: hidden;
    animation: fadeInUp 0.6s ease;
}

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

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

/* ============================================
   CARD HEADER
   ============================================ */

.auth-card-header {
    padding: var(--spacing-8) var(--spacing-6) var(--spacing-6);
    text-align: center;
    background: var(--gradient-subtle);
    border-bottom: 1px solid var(--color-border-light);
}

.auth-card-title {
    margin: 0 0 var(--spacing-2);
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
    font-family: var(--font-secondary);
}

.auth-card-subtitle {
    margin: 0;
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    font-weight: var(--font-weight-regular);
}

/* ============================================
   CARD BODY - Main Content
   ============================================ */

.auth-card-body {
    padding: var(--spacing-8) var(--spacing-6);
}

/* ============================================
   ALERT MESSAGES
   ============================================ */

.auth-alert {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-3);
    padding: var(--spacing-4);
    margin-bottom: var(--spacing-6);
    border-radius: var(--radius-lg);
    border: 1px solid transparent;
    position: relative;
}

.auth-alert-success {
    background-color: var(--color-success-50);
    border-color: var(--color-success-500);
    color: var(--color-success-700);
}

.auth-alert-error {
    background-color: var(--color-danger-50);
    border-color: var(--color-danger-500);
    color: var(--color-danger-700);
}

.auth-alert-warning {
    background-color: var(--color-warning-50);
    border-color: var(--color-warning-500);
    color: var(--color-warning-700);
}

.auth-alert-info {
    background-color: var(--color-info-50);
    border-color: var(--color-info-500);
    color: var(--color-info-700);
}

.auth-alert-icon {
    font-size: var(--font-size-xl);
    line-height: 1;
    flex-shrink: 0;
}

.auth-alert-content {
    flex: 1;
}

.auth-alert-title {
    margin: 0 0 var(--spacing-1);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
}

.auth-alert-message {
    margin: 0;
    font-size: var(--font-size-sm);
    opacity: 0.9;
}

.auth-alert-close {
    position: absolute;
    top: var(--spacing-2);
    right: var(--spacing-2);
    background: transparent;
    border: none;
    cursor: pointer;
    padding: var(--spacing-2);
    opacity: 0.6;
    transition: opacity var(--transition-fast) var(--ease-out);
}

.auth-alert-close:hover {
    opacity: 1;
}

/* ============================================
   FORM ELEMENTS
   ============================================ */

.auth-form {
    margin: 0;
}

.auth-form-group {
    margin-bottom: var(--spacing-6);
    position: relative;
}

.auth-form-label {
    display: block;
    margin-bottom: var(--spacing-2);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-primary);
}

.auth-form-label-required::after {
    content: '*';
    color: var(--color-danger-500);
    margin-left: var(--spacing-1);
}

.auth-form-input {
    width: 100%;
    padding: var(--spacing-3) var(--spacing-4);
    font-size: var(--font-size-base);
    font-family: var(--font-primary);
    color: var(--color-text-primary);
    background: var(--color-white);
    border: 2px solid var(--color-border-medium);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base) var(--ease-out);
    outline: none;
}

.auth-form-input:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.1);
}

.auth-form-input::placeholder {
    color: var(--color-gray-400);
}

.auth-form-input.is-valid {
    border-color: var(--color-success-500);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='%2310b981'%3E%3Cpath fill-rule='evenodd' d='M16.707 5.293a1 1 0 010 1.414l-8 8a1 1 0 01-1.414 0l-4-4a1 1 0 011.414-1.414L8 12.586l7.293-7.293a1 1 0 011.414 0z' clip-rule='evenodd'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--spacing-3) center;
    background-size: 1.25rem;
    padding-right: var(--spacing-10);
}

.auth-form-input.is-invalid {
    border-color: var(--color-danger-500);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='%23ef4444'%3E%3Cpath fill-rule='evenodd' d='M10 18a8 8 0 100-16 8 8 0 000 16zM8.707 7.293a1 1 0 00-1.414 1.414L8.586 10l-1.293 1.293a1 1 0 101.414 1.414L10 11.414l1.293 1.293a1 1 0 001.414-1.414L11.414 10l1.293-1.293a1 1 0 00-1.414-1.414L10 8.586 8.707 7.293z' clip-rule='evenodd'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--spacing-3) center;
    background-size: 1.25rem;
    padding-right: var(--spacing-10);
}

.auth-form-input-icon {
    position: relative;
}

.auth-form-input-icon .auth-form-input {
    padding-left: var(--spacing-10);
}

.auth-form-input-icon-left {
    position: absolute;
    left: var(--spacing-3);
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-gray-400);
    pointer-events: none;
}

.auth-form-feedback {
    display: block;
    margin-top: var(--spacing-2);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.auth-form-group.has-error .auth-form-feedback {
    color: var(--color-danger-500);
}

.auth-form-group.has-success .auth-form-feedback {
    color: var(--color-success-500);
}

/* ============================================
   PASSWORD INPUT WITH TOGGLE
   ============================================ */

.auth-password-group {
    position: relative;
}

.auth-password-toggle {
    position: absolute;
    right: var(--spacing-3);
    top: 50%;
    transform: translateY(-50%);
    background: transparent;
    border: none;
    cursor: pointer;
    color: var(--color-gray-400);
    padding: var(--spacing-2);
    transition: color var(--transition-fast) var(--ease-out);
}

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

.auth-password-toggle:focus {
    outline: none;
}

/* ============================================
   PASSWORD STRENGTH INDICATOR
   ============================================ */

.auth-password-strength {
    margin-top: var(--spacing-2);
}

.auth-password-strength-bar {
    height: 4px;
    background: var(--color-gray-200);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.auth-password-strength-fill {
    height: 100%;
    width: 0;
    border-radius: var(--radius-full);
    transition: all var(--transition-medium) var(--ease-out);
}

.auth-password-strength-fill.weak {
    width: 33.33%;
    background: var(--color-danger-500);
}

.auth-password-strength-fill.medium {
    width: 66.66%;
    background: var(--color-warning-500);
}

.auth-password-strength-fill.strong {
    width: 100%;
    background: var(--color-success-500);
}

.auth-password-strength-text {
    display: block;
    margin-top: var(--spacing-1);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
}

.auth-password-strength-text.weak {
    color: var(--color-danger-500);
}

.auth-password-strength-text.medium {
    color: var(--color-warning-500);
}

.auth-password-strength-text.strong {
    color: var(--color-success-500);
}

/* ============================================
   CHECKBOX AND RADIO
   ============================================ */

.auth-checkbox {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-2);
    cursor: pointer;
}

.auth-checkbox-input {
    margin-top: 0.25rem;
    width: 1.125rem;
    height: 1.125rem;
    cursor: pointer;
}

.auth-checkbox-label {
    flex: 1;
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    cursor: pointer;
}

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

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

/* ============================================
   BUTTONS
   ============================================ */

.auth-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-2);
    padding: var(--spacing-3) var(--spacing-6);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    font-family: var(--font-primary);
    text-align: center;
    text-decoration: none;
    border: 2px solid transparent;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-base) var(--ease-out);
    outline: none;
    white-space: nowrap;
}

.auth-button-primary {
    color: var(--color-white);
    background: var(--gradient-primary);
    border-color: transparent;
    box-shadow: var(--shadow-primary);
}

.auth-button-primary:hover {
    background: var(--gradient-primary-hover);
    box-shadow: var(--shadow-primary-lg);
    transform: translateY(-2px);
}

.auth-button-primary:active {
    transform: translateY(0);
}

.auth-button-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.auth-button-secondary {
    color: var(--color-primary);
    background: var(--color-white);
    border-color: var(--color-primary);
}

.auth-button-secondary:hover {
    background: var(--color-primary-50);
}

.auth-button-block {
    width: 100%;
}

.auth-button-lg {
    padding: var(--spacing-4) var(--spacing-8);
    font-size: var(--font-size-md);
}

/* ============================================
   CARD FOOTER
   ============================================ */

.auth-card-footer {
    padding: var(--spacing-6);
    background: var(--color-bg-secondary);
    border-top: 1px solid var(--color-border-light);
}

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

.auth-card-footer-link {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: var(--font-weight-semibold);
    transition: color var(--transition-fast) var(--ease-out);
}

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

.auth-divider {
    display: flex;
    align-items: center;
    text-align: center;
    margin: var(--spacing-6) 0;
}

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

.auth-divider span {
    padding: 0 var(--spacing-3);
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    font-weight: var(--font-weight-medium);
}

/* ============================================
   TRUST BADGES
   ============================================ */

.auth-trust-badges {
    display: flex;
    justify-content: center;
    gap: var(--spacing-6);
    margin-top: var(--spacing-8);
    flex-wrap: wrap;
}

.auth-trust-badge {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    color: rgba(255, 255, 255, 0.95);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
}

.auth-trust-badge i {
    font-size: var(--font-size-base);
}

/* ============================================
   FOOTER
   ============================================ */

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

.auth-footer-links {
    display: flex;
    justify-content: center;
    gap: var(--spacing-4);
    flex-wrap: wrap;
    margin-bottom: var(--spacing-3);
}

.auth-footer-links a {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    transition: color var(--transition-fast) var(--ease-out);
}

.auth-footer-links a:hover {
    color: var(--color-white);
    text-decoration: underline;
}

.auth-footer-separator {
    color: rgba(255, 255, 255, 0.5);
}

.auth-footer-copyright {
    margin: 0;
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--font-size-xs);
}

/* ============================================
   RESPONSIVE - Mobile Optimization
   ============================================ */

@media (max-width: 640px) {
    .auth-container {
        padding: var(--spacing-4);
    }
    
    .auth-logo {
        margin-bottom: var(--spacing-6);
    }
    
    .auth-logo-text {
        font-size: var(--font-size-xl);
    }
    
    .auth-logo-icon {
        font-size: var(--font-size-3xl);
    }
    
    .auth-card-header {
        padding: var(--spacing-6) var(--spacing-5) var(--spacing-5);
    }
    
    .auth-card-title {
        font-size: var(--font-size-2xl);
    }
    
    .auth-card-body {
        padding: var(--spacing-6) var(--spacing-5);
    }
    
    .auth-trust-badges {
        gap: var(--spacing-4);
    }
    
    .auth-trust-badge {
        font-size: 0.65rem;
    }
}

/* ============================================
   ANIMATIONS - Loading States
   ============================================ */

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

.fa-spinner {
    animation: spin 1s linear infinite;
}

/* ============================================
   ACCESSIBILITY
   ============================================ */

.auth-form-input:focus-visible,
.auth-button:focus-visible,
.auth-checkbox-input:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

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