/* Container da lista */
.tutorial-lista {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

/* Item da lista */
.tutorial-item {
    display: flex;
    align-items: stretch;
    background-color: #fff;
    border: 1px solid #e6e9ee;
    border-radius: 6px;
    padding: 0.75rem;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.03);
    transition: transform 0.2s ease, box-shadow 0.2s ease, opacity 0.25s ease;
    opacity: 0;
    transform: translateY(6px);
    animation: tutorialFadeIn 0.35s ease forwards;
}

.tutorial-item:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

@keyframes tutorialFadeIn {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Stagger leve nos primeiros itens */
.tutorial-item:nth-child(1) { animation-delay: 0.00s; }
.tutorial-item:nth-child(2) { animation-delay: 0.05s; }
.tutorial-item:nth-child(3) { animation-delay: 0.10s; }
.tutorial-item:nth-child(4) { animation-delay: 0.15s; }
.tutorial-item:nth-child(5) { animation-delay: 0.20s; }
.tutorial-item:nth-child(6) { animation-delay: 0.25s; }

/* Item oculto pelo filtro - some suavemente sem ocupar espaço */
.tutorial-item.is-hidden {
    display: none;
}

/* Miniatura */
.tutorial-item-thumb {
    flex: 0 0 160px;
    position: relative;
    aspect-ratio: 16 / 9;
    background-color: #f0f0f0;
    border-radius: 4px;
    overflow: hidden;
    cursor: pointer;
    margin-right: 0.875rem;
}

.tutorial-item-thumb.is-empty {
    cursor: default;
}

.tutorial-item-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.3s ease;
}

.tutorial-item-thumb:not(.is-empty):hover img {
    transform: scale(1.04);
}

/* Overlay com ícone play */
.tutorial-item-play {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 2.5rem;
    text-shadow: 0 2px 6px rgba(0, 0, 0, 0.5);
    background-color: rgba(0, 0, 0, 0.15);
    opacity: 0.85;
    transition: opacity 0.2s ease, background-color 0.2s ease;
}

.tutorial-item-thumb:hover .tutorial-item-play {
    opacity: 1;
    background-color: rgba(0, 0, 0, 0.3);
}

/* Placeholder quando não há vídeo */
.tutorial-item-thumb-placeholder {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: #999;
    font-style: italic;
    gap: 0.25rem;
}

.tutorial-item-thumb-placeholder i {
    font-size: 1.75rem;
}

/* Corpo do item (textos) */
.tutorial-item-body {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.tutorial-item-body .tutorial-titulo {
    font-size: 1rem;
    font-weight: 600;
    margin: 0 0 0.35rem;
    color: #2c3e50;
}

.tutorial-item-badges {
    margin-bottom: 0.35rem;
}

.tutorial-item-badges .badge {
    margin-right: 0.25rem;
    margin-bottom: 0.25rem;
    font-size: 0.7rem;
    font-weight: 500;
}

.tutorial-item-body .tutorial-desc {
    margin: 0;
    color: #6c757d;
    font-size: 0.875rem;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Modal de vídeo */
#tutorial-video-modal .modal-body {
    background-color: #000;
}

.tutorial-video-frame {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%; /* 16:9 */
    height: 0;
    overflow: hidden;
}

.tutorial-video-frame iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 0;
}

/* Responsivo */
@media (max-width: 576px) {
    .tutorial-filtro .row > .col-sm-4 {
        margin-bottom: 0.5rem;
    }
    .tutorial-filtro .col-sm-4.d-flex {
        margin-top: 0.25rem;
    }

    .tutorial-item {
        flex-direction: column;
        padding: 0.5rem;
    }

    .tutorial-item-thumb {
        flex: 0 0 auto;
        width: 100%;
        margin-right: 0;
        margin-bottom: 0.625rem;
    }

    .tutorial-item-body .tutorial-titulo {
        font-size: 1.05rem;
    }
}