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

html, body {
    height: 100%;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica', 'Arial', sans-serif;
    background: linear-gradient(135deg, #f5f7fa 0%, #e4e8eb 100%);

    /* ✅ padding externe constant */
    padding: 10px;

    /* ✅ éviter bug 100vh mobile */
    min-height: 100dvh;

    display: flex;
    align-items: stretch;
    justify-content: center;

    margin: 0;
}


.browser-window {
    width: min(1400px, 100%);
    height: 100%;

    background: white;
    border-radius: 12px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);

    display: flex;
    flex-direction: column;

    overflow: hidden;
}


.blue-line {
    height: 4px;
    background: linear-gradient(90deg, #3b82f6 0%, #1A4587 50%, #3b82f6 100%);
}

.main-content {
    display: flex;
    flex: 1;
    min-height: 0;
    position: relative; /* ✅ nécessaire pour sidebar en overlay sur mobile */
}




.section-title {
    font-size: 12px;
    font-weight: 600;
    color: #9ca3af;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 16px;
}

@media (max-width: 1024px) {
    .main-content {
        flex-direction: column;
        min-height: 0;
    }

    .sidebar {
        width: 100%;
        height: auto;
        overflow: visible; /* ✅ pas coupée */
    }

    /* ✅ le contenu prend l’espace restant et scroll */
    #content {
        flex: 1;
        min-height: 0;
    }

    .content-area {
        height: 100%;
        overflow-y: auto;
    }
}

@media (max-height: 720px) {
    .sidebar {
        overflow-y: auto; /* ✅ seulement si l’écran est trop bas */
    }
}