/* 
 * MDT Service Public - Styles d'authentification
 */

.auth-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    position: relative;
    overflow: hidden;
}

.auth-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 30% 50%, rgba(65, 105, 225, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 70% 70%, rgba(124, 58, 237, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 50% 20%, rgba(0, 212, 255, 0.1) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
}

.auth-background::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 2px,
        rgba(65, 105, 225, 0.03) 2px,
        rgba(65, 105, 225, 0.03) 4px
    );
    animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
    0% {
        transform: translate(0, 0);
    }
    100% {
        transform: translate(50px, 50px);
    }
}

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

.auth-header {
    margin-bottom: 2rem;
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: all var(--transition-normal);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.05);
}

.back-link:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.1);
    transform: translateX(-3px);
}

.back-link svg {
    transition: transform var(--transition-normal);
}

.back-link:hover svg {
    transform: translateX(-3px);
}

.auth-card {
    background: rgba(20, 24, 41, 0.8);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    padding: 3rem;
    box-shadow: var(--shadow-xl);
    position: relative;
    overflow: hidden;
    animation: slideInUp 0.6s ease;
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.auth-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-blue), var(--accent-purple), var(--accent-cyan));
    background-size: 200% 200%;
    animation: gradientMove 3s ease infinite;
}

@keyframes gradientMove {
    0%, 100% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
}

.auth-card-header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.auth-title {
    font-size: 2.25rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, var(--text-primary), var(--text-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.auth-subtitle {
    color: var(--text-secondary);
    font-size: 1rem;
}

.auth-form {
    margin-bottom: 2rem;
}

.form-help {
    display: block;
    margin-top: 0.5rem;
    color: var(--text-muted);
    font-size: 0.85rem;
}

.password-input-wrapper {
    position: relative;
}

.password-toggle {
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color var(--transition-normal);
}

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

.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.forgot-password {
    color: var(--accent-blue);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color var(--transition-normal);
}

.forgot-password:hover {
    color: var(--accent-cyan);
}

.link {
    color: var(--accent-blue);
    text-decoration: none;
    transition: color var(--transition-normal);
}

.link:hover {
    color: var(--accent-cyan);
}

.btn-block {
    width: 100%;
    justify-content: center;
}

.auth-divider {
    position: relative;
    text-align: center;
    margin: 2rem 0;
}

.auth-divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    width: 100%;
    height: 1px;
    background: rgba(255, 255, 255, 0.1);
}

.auth-divider span {
    position: relative;
    display: inline-block;
    padding: 0 1rem;
    background: rgba(20, 24, 41, 0.8);
    color: var(--text-muted);
    font-size: 0.85rem;
    font-weight: 500;
}

.btn-discord {
    background: #5865F2;
    color: white;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 600;
}

.btn-discord:hover {
    background: #4752C4;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(88, 101, 242, 0.4);
}

.auth-footer {
    text-align: center;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.auth-footer p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.auth-footer a {
    color: var(--accent-blue);
    text-decoration: none;
    font-weight: 600;
    transition: color var(--transition-normal);
}

.auth-footer a:hover {
    color: var(--accent-cyan);
}

/* Animations pour les alertes */
.alert {
    animation: slideInDown 0.3s ease;
}

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

/* Responsive */
@media (max-width: 576px) {
    .auth-card {
        padding: 2rem 1.5rem;
    }
    
    .auth-title {
        font-size: 1.875rem;
    }
    
    .form-options {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
}

/* Focus states améliorés */
.form-input:focus {
    outline: none;
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--accent-blue);
    box-shadow: 
        0 0 0 3px rgba(65, 105, 225, 0.1),
        0 4px 12px rgba(0, 0, 0, 0.2);
}

/* Loading state pour le bouton */
.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    position: relative;
}

.btn.loading::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    top: 50%;
    left: 50%;
    margin-left: -8px;
    margin-top: -8px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 0.6s linear infinite;
}

/* Effet de particules sur le fond */
.auth-background::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 20% 30%, rgba(255, 255, 255, 0.1) 1px, transparent 1px),
        radial-gradient(circle at 60% 70%, rgba(255, 255, 255, 0.1) 1px, transparent 1px),
        radial-gradient(circle at 80% 10%, rgba(255, 255, 255, 0.1) 1px, transparent 1px);
    background-size: 200px 200px, 300px 300px, 250px 250px;
    background-position: 0 0, 40px 60px, 130px 270px;
    animation: particlesFloat 20s linear infinite;
}

@keyframes particlesFloat {
    0% {
        transform: translateY(0);
    }
    100% {
        transform: translateY(-100px);
    }
}