/**
 * Styles pour les pages d'authentification
 * ME - Bio Link Platform
 */

:root {
    --primary-color: #5865F2;
    --primary-dark: #4752C4;
    --secondary-color: #5865F2;
    --accent-color: #5865F2;
    --background-color: #1E1F22;
    --surface-color: #2B2D31;
    --card-color: #2B2D31;
    --text-primary: #F2F3F5;
    --text-secondary: #B5BAC1;
    --text-muted: #B5BAC1;
    --border-color: #3C3F45;
    --success-color: #3BA55D;
    --error-color: #ED4245;
    --warning-color: #F59E0B;
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--background-color);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.auth-container {
    width: 100%;
    max-width: 400px;
}

.auth-card {
    background: var(--card-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 40px;
    backdrop-filter: blur(10px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

.auth-header {
    text-align: center;
    margin-bottom: 32px;
}

.logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-bottom: 24px;
}

.logo-icon {
    font-size: 32px;
}

.logo-text {
    font-size: 24px;
    font-weight: 800;
    color: var(--primary-color);
}

.auth-title {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.auth-subtitle {
    color: var(--text-secondary);
    font-size: 16px;
}

.alert {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
    border-radius: var(--radius-md);
    margin-bottom: 24px;
    font-size: 14px;
}

.alert-error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: var(--error-color);
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: var(--success-color);
}

.alert-icon {
    font-size: 18px;
}

.alert-message {
    flex: 1;
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-label {
    font-weight: 500;
    color: var(--text-primary);
    font-size: 14px;
}

.form-input {
    padding: 12px 16px;
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 16px;
    transition: var(--transition);
}

.form-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.1);
}

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

.form-checkbox {
    flex-direction: row;
    align-items: center;
    gap: 12px;
}

.form-checkbox-input {
    width: 18px;
    height: 18px;
    accent-color: var(--primary-color);
}

.form-checkbox-label {
    font-size: 14px;
    color: var(--text-secondary);
    cursor: pointer;
}

.form-help {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 4px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border: none;
    border-radius: var(--radius-md);
    font-weight: 500;
    font-size: 16px;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.btn::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;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 10px 15px -3px rgba(139, 92, 246, 0.3);
}

.btn-full {
    width: 100%;
}

.auth-footer {
    text-align: center;
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
}

.auth-footer p {
    margin-bottom: 12px;
    color: var(--text-secondary);
    font-size: 14px;
}

/* Boutons OAuth */
.oauth-buttons {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 24px;
}

.oauth-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 12px 16px;
    border: 2px solid var(--card-color);
    border-radius: 8px;
    background: var(--card-color);
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    font-size: 14px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.oauth-btn:hover {
    background: var(--hover-color);
    border-color: var(--hover-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.oauth-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

/* Styles spécifiques par provider */
.discord-btn {
    background: #5865F2;
    border-color: #5865F2;
    color: white;
}

.discord-btn:hover {
    background: #4752C4;
    border-color: #4752C4;
    color: white;
}

.google-btn {
    background: white;
    border-color: #dadce0;
    color: #3c4043;
}

.google-btn:hover {
    background: #f8f9fa;
    border-color: #dadce0;
    color: #3c4043;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.apple-btn {
    background: #000000;
    border-color: #000000;
    color: white;
}

.apple-btn:hover {
    background: #1a1a1a;
    border-color: #1a1a1a;
    color: white;
}

/* Divider */
.divider {
    position: relative;
    text-align: center;
    margin: 24px 0;
    color: var(--text-secondary);
    font-size: 14px;
}

.divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--card-color);
    z-index: 1;
}

.divider span {
    background: var(--background);
    padding: 0 16px;
    position: relative;
    z-index: 2;
}

.auth-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

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

/* Responsive */
@media (max-width: 480px) {
    .auth-container {
        padding: 0;
    }
    
    .auth-card {
        padding: 24px;
    }
    
    .auth-title {
        font-size: 24px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 20px;
    }
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.auth-card {
    animation: fadeIn 0.5s ease-out;
}

/* Focus visible */
.btn:focus-visible,
.form-input:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Loading state */
.btn.loading {
    pointer-events: none;
    opacity: 0.7;
}

.btn.loading::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    border: 2px solid transparent;
    border-top: 2px solid currentColor;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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