* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Roboto, system-ui, sans-serif;
}

body {
    background: linear-gradient(145deg, #f5f7fa 0%, #e9edf5 100%);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    /* ← CORRECTION ICI */
    margin: 0;
}

/* ---------- BARRE HORIZONTALE TOUT EN HAUT ---------- */
.top-header-bar {
    width: 100%;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    border-bottom: 1px solid #eef2ff;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(8px);
    background: rgba(255, 255, 255, 0.96);
    /* ← une seule déclaration */
}

.top-bar-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0.9rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

/* Section langue statique (sans JS) */
.static-lang {
    background: #f1f4f9;
    padding: 0.5rem 1.3rem;
    border-radius: 3rem;
    font-weight: 600;
    font-size: 0.9rem;
    color: #1e293b;
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    letter-spacing: 0.2px;
}

.static-lang a {
    text-decoration: none;
    font-size: 23px;
    margin-right: 20px;
}



.main-alert {
    max-width: 1200px;
    width: 100%;
    padding: 2rem 0rem 0rem;
    align-self: center;

    /* Hauteur fixe pour réserver l’espace, même vide */
    min-height: 90px;
    /* Ajustez selon la hauteur réelle de votre alerte */
}

/* Quand l’alerte est absente ou vide, on cache son contenu mais on garde l’espace */
.main-alert:empty {
    visibility: hidden;
    /* optionnel : pour masquer complètement tout contenu fantôme */
}

/* Conteneur principal (centré, avec marge supérieure) */
.main-container {
    max-width: 1200px;
    width: 100%;
    background: #ffffff;
    box-shadow: 0 25px 50px -10px rgba(0, 0, 0, 0.15);
    border-radius: 2.5rem;
    padding: 2rem 2rem 2.5rem;
    margin: 1rem 1rem;
    border: 1px solid rgba(255, 255, 255, 0.5);
    transition: all 0.2s ease;
    align-self: center;
}

.logo-area {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.logo-icon {
    font-size: 2.8rem;
    color: #ef4444;
    filter: drop-shadow(0 4px 6px rgba(239, 68, 68, 0.3));
}

.logo-text {
    font-size: 2rem;
    font-weight: 700;
    background: linear-gradient(135deg, #1e293b, #4f46e5);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.url-section {
    background: #f8fafc;
    border-radius: 2rem;
    padding: 1.5rem;
    margin: 1.8rem 0 1.5rem;
}

.url-input-area {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

textarea {
    width: 100%;
    border: 1px solid #e2e8f0;
    border-radius: 1.2rem;
    padding: 1rem;
    font-size: 0.95rem;
    resize: vertical;
    min-height: 90px;
    background: white;
    outline: none;
    transition: 0.2s;
}

textarea:focus {
    border-color: #4f46e5;
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.format-row {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
    margin-top: 0.5rem;
}

select {
    padding: 0.7rem 1.2rem;
    border-radius: 2rem;
    border: 1px solid #d1d5db;
    background: white;
    font-weight: 500;
    cursor: pointer;
    outline: none;
    min-width: 180px;
}

.process-btn {
    background: #0f172a;
    border: none;
    color: white;
    font-weight: 700;
    padding: 0.8rem 2.2rem;
    border-radius: 3rem;
    font-size: 1rem;
    letter-spacing: 0.3px;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    transition: 0.25s;
    box-shadow: 0 10px 20px -8px rgba(15, 23, 42, 0.4);
    margin-left: auto;
}

.process-btn:hover {
    background: #1e293b;
    transform: scale(1.02);
}

.process-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.user-avatar {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid #dee2e6;
}

.username {
    font-weight: 600;
    color: #333;
}

.video-list {
    margin-top: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    max-height: 400px;
    overflow-y: auto;
    padding-right: 0.3rem;
}

.video-item {
    background: white;
    border-radius: 1.2rem;
    padding: 1rem 1.2rem;
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.04);
    border: 1px solid #edf2f7;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.video-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.video-name {
    font-weight: 600;
    color: #1e293b;
    word-break: break-word;
}

.progress-container {
    width: 100%;
    height: 8px;
    background: #e9eef3;
    border-radius: 20px;
    overflow: hidden;
    margin: 0.2rem 0;
}

.progress-fill {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, #4f46e5, #818cf8);
    border-radius: 20px;
    transition: width 0.2s ease;
}

.progress-fill.error {
    background: #ef4444;
}

/* Styles pour la barre de progression en mode indéterminé */
.progress-container .progress-fill.indeterminate {
    width: 100%;
    background-image: linear-gradient(90deg,
            #4f46e5 0%,
            #818cf8 25%,
            #4f46e5 50%,
            #818cf8 75%,
            #4f46e5 100%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite linear;
}

@keyframes shimmer {
    0% {
        background-position: 200% 0;
    }

    100% {
        background-position: -200% 0;
    }
}

.status-area {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.status-text {
    font-size: 0.9rem;
    font-weight: 500;
}

.pending-text {
    color: #64748b;
}

.error-text {
    color: #dc2626;
    font-weight: 600;
}

.download-btn {
    background: #0f172a;
    color: white;
    border: none;
    padding: 0.4rem 1.2rem;
    border-radius: 2rem;
    font-weight: 600;
    font-size: 0.8rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.3rem;
    transition: 0.2s;
}

.download-btn:hover {
    background: #334155;
}

/* RESPONSIVE : barre horizontale adaptative */
@media (max-width: 768px) {
    .top-bar-container {
        padding: 0.8rem 1rem;
        flex-direction: column;
        align-items: stretch;
        gap: 0.7rem;
    }

    .static-lang,
    .demo-status {
        justify-content: center;
        width: 100%;
    }

    .format-row {
        flex-direction: column;
        align-items: stretch;
    }

    .process-btn {
        margin-left: 0;
        justify-content: center;
    }

    .main-container {
        padding: 1.5rem;
        margin: 1rem;
    }

    .logo-text {
        font-size: 1.6rem;
    }
}

@media (max-width: 480px) {
    .top-bar-container {
        padding: 0.7rem 0.9rem;
    }

    .static-lang,
    .demo-status {
        font-size: 0.8rem;
        padding: 0.4rem 1rem;
    }
}