/* ================================================================
   Estudo /estudos/efetividade-eficiencia/ — making-of do vídeo em Manim.
   Caixas de contorno fino monocromático, no mesmo padrão dos demais cards.
   ================================================================ */

.efi-page .estudo-body {
    max-width: 100%;
}

/* --- Vídeo -------------------------------------------------------- */

.efi-video {
    margin: 0 0 2.5rem;
    border: 1px solid var(--border-color);
    background: #000;
}

.efi-video video {
    display: block;
    width: 100%;
    height: auto;
    background: #000;
}

.efi-video figcaption {
    padding: 0.75rem 1rem;
    border-top: 1px solid var(--border-color);
    font-size: 0.85rem;
    line-height: 1.5;
    color: var(--text-tertiary);
    background: var(--bg-primary);
}

/* --- Fichas dos dois perfis --------------------------------------- */

.efi-perfis {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1rem;
    margin: 2rem 0;
}

.efi-perfil {
    padding: 1.1rem 1.2rem;
    border: 1px solid var(--border-color);
}

.efi-perfil__nome {
    margin: 0 0 0.5rem;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.09em;
    text-transform: uppercase;
    color: var(--text-primary);
}

.efi-perfil__params {
    margin: 0 0 0.6rem;
    font-size: 0.95rem;
    color: var(--text-secondary);
    font-variant-numeric: tabular-nums;
}

.efi-perfil__veredito {
    margin: 0;
    font-size: 0.85rem;
    line-height: 1.5;
    color: var(--text-tertiary);
}

/* --- Tabela de resultados ----------------------------------------- */

.efi-tabela-wrap {
    margin: 1.75rem 0;
    overflow-x: auto;
    border: 1px solid var(--border-color);
}

.efi-tabela {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
    font-variant-numeric: tabular-nums;
}

.efi-tabela th,
.efi-tabela td {
    padding: 0.7rem 0.9rem;
    text-align: right;
    border-bottom: 1px solid var(--border-color);
    white-space: nowrap;
}

.efi-tabela th:first-child,
.efi-tabela td:first-child {
    text-align: left;
    white-space: normal;
}

.efi-tabela thead th {
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    color: var(--text-tertiary);
}

.efi-tabela tbody tr:last-child td {
    border-bottom: none;
}

.efi-tabela td strong {
    color: var(--text-primary);
}

.efi-tabela caption {
    padding: 0.75rem 0.9rem;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.8rem;
    text-align: left;
    color: var(--text-tertiary);
}

/* --- Blocos de código --------------------------------------------- */

.efi-code {
    margin: 1.5rem 0;
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
}

.efi-code__label {
    display: block;
    padding: 0.55rem 0.9rem;
    border-bottom: 1px solid var(--border-color);
    font-family: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, monospace;
    font-size: 0.74rem;
    letter-spacing: 0.05em;
    color: var(--text-tertiary);
}

.efi-code pre {
    margin: 0;
    padding: 1rem 0.9rem;
    overflow-x: auto;
    font-family: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, monospace;
    font-size: 0.82rem;
    line-height: 1.65;
    color: var(--text-secondary);
    tab-size: 4;
}

.efi-code pre b {
    font-weight: 600;
    color: var(--text-primary);
}

.efi-code pre i {
    font-style: normal;
    color: var(--text-tertiary);
}

/* --- Diário de erros ---------------------------------------------- */

.efi-diario {
    margin: 1.75rem 0;
    padding: 0;
    list-style: none;
    counter-reset: efi-erro;
}

.efi-diario li {
    position: relative;
    margin-bottom: 1rem;
    padding: 1rem 1.2rem 1rem 3.1rem;
    border: 1px solid var(--border-color);
    font-size: 0.93rem;
    line-height: 1.6;
    color: var(--text-secondary);
}

.efi-diario li::before {
    counter-increment: efi-erro;
    content: counter(efi-erro, decimal-leading-zero);
    position: absolute;
    left: 1.1rem;
    top: 1rem;
    font-family: ui-monospace, "SF Mono", Menlo, monospace;
    font-size: 0.78rem;
    color: var(--text-tertiary);
}

.efi-diario strong {
    display: block;
    margin-bottom: 0.25rem;
    color: var(--text-primary);
    font-weight: 600;
}

/* --- Quadros de arquivos ------------------------------------------ */

.efi-arvore {
    margin: 1.5rem 0;
    padding: 1rem 1.1rem;
    border: 1px solid var(--border-color);
    font-family: ui-monospace, "SF Mono", Menlo, monospace;
    font-size: 0.82rem;
    line-height: 1.8;
    color: var(--text-secondary);
    overflow-x: auto;
}

.efi-arvore b {
    font-weight: 600;
    color: var(--text-primary);
}

.efi-arvore i {
    font-style: normal;
    color: var(--text-tertiary);
}

/* --- Contraste no tema claro -------------------------------------- */
/* --text-tertiary (#999) sobre fundo claro fica em 2,5:1. Nos comentários
   de código, que são texto corrido longo, isso não passa. */

[data-theme="light"] .efi-code pre i,
[data-theme="light"] .efi-arvore i,
[data-theme="light"] .efi-code__label {
    color: #767676;
}

@media (max-width: 640px) {
    .efi-diario li {
        padding-left: 1.2rem;
        padding-top: 2.2rem;
    }

    .efi-diario li::before {
        top: 0.85rem;
    }
}