/* Page de commencement du flow d'authentification */

.auth-start-content {
    min-height: calc(100vh - 200px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    position: relative;
}

.auth-start-container {
    width: 100%;
    max-width: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.auth-start-frame {
    width: 100%;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 16px;
    padding: 4rem 3rem;
    padding-top: 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 3rem;
    position: relative;
    overflow: hidden;
}

.auth-progress-bar {
    position: absolute;
    top: 0.5rem;
    left: 3rem;
    right: 3rem;
    width: calc(100% - 6rem);
    height: 12px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 6px;
    overflow: hidden;
}

.auth-progress-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, #8B5CF6 0%, #A855F7 100%);
    border-radius: 6px;
    transition: width 0.5s ease-in-out;
    width: 0%;
}

.auth-start-question {
    font-family: 'Brevia', sans-serif;
    font-size: 1.5rem;
    font-weight: 400;
    color: rgba(255, 255, 255, 0.9);
    text-align: center;
    margin: 0;
}

.auth-start-buttons {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    align-items: center;
}

.auth-start-btn {
    width: 100%;
    max-width: 280px;
    padding: 1.125rem 2rem;
    border-radius: 90px;
    font-family: 'URW Form', sans-serif;
    font-size: 1rem;
    font-weight: 400;
    color: rgba(255, 255, 255, 0.95);
    text-align: center;
    text-decoration: none;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #8B5CF6 0%, #A855F7 100%);
    border: 1px solid rgba(255, 255, 255, 0.15);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    cursor: pointer;
}

.auth-start-btn:hover {
    background: linear-gradient(135deg, #7C3AED 0%, #9333EA 100%);
    border-color: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
    color: #fff;
    text-decoration: none;
}

/* Mode Orange pour auth-start-btn */
body.mode-orange .auth-start-btn {
    background: linear-gradient(135deg, #FF6B35 0%, #F7931E 100%) !important;
}

body.mode-orange .auth-start-btn:hover {
    background: linear-gradient(135deg, #E55A2B 0%, #E6821A 100%) !important;
}

.auth-start-btn:active {
    transform: translateY(0);
}

/* Responsive */
@media (max-width: 768px) {
    .auth-start-frame {
        padding: 3rem 2rem;
        gap: 2.5rem;
    }
    
    .auth-start-question {
        font-size: 1.25rem;
    }
    
    .auth-start-btn {
        max-width: 100%;
        padding: 0.875rem 1.5rem;
    }
}

@media (max-width: 480px) {
    .auth-start-content {
        padding: 1rem;
    }
    
    .auth-start-frame {
        padding: 2.5rem 1.5rem;
        gap: 2rem;
        border-radius: 15px;
    }
    
    .auth-start-question {
        font-size: 1.1rem;
    }
    
    .auth-start-buttons {
        gap: 1.25rem;
    }
    
    .auth-start-btn {
        padding: 0.75rem 1.25rem;
        font-size: 0.95rem;
    }
}