/* ============================================================
   ViktorKav — Tutoriais
   Extends css/style.css (EVA-01 design system)
   Built: 2026-05-16
   ============================================================ */

/* ── Tokens locais ──────────────────────────────────────── */
:root {
    --tut-prose-max: 720px;
    --tut-toc-width: 240px;
    --tut-content-pad: 5rem;

    --warning: #fbbf24;
    --warning-dim: rgba(251, 191, 36, 0.08);
    --warning-border: rgba(251, 191, 36, 0.22);
}

/* ============================================================
   HUB — /tutoriais/
   ============================================================ */

.tut-hub {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 4rem 2rem 5rem;
}

.tut-hub-hero {
    margin-bottom: 3rem;
}

.tut-hub-kicker {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.7rem;
    color: var(--green);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    background: var(--green-dim);
    border: 1px solid var(--green-border);
    padding: 0.32rem 0.75rem;
    border-radius: 4px;
    margin-bottom: 1.25rem;
}

.tut-hub-kicker::before {
    content: '>// ';
    color: rgba(57, 255, 20, 0.4);
}

.tut-hub-title {
    font-family: 'JetBrains Mono', monospace;
    font-size: clamp(2rem, 4.5vw, 2.75rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.tut-hub-title .accent {
    color: var(--purple-mid);
}

.tut-hub-lead {
    font-size: 1rem;
    color: var(--text-muted);
    line-height: 1.7;
    max-width: 640px;
}

.tut-hub-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.tut-card {
    display: flex;
    flex-direction: column;
    background: var(--bg-card);
    border: 1px solid var(--purple-border);
    border-radius: var(--radius-card);
    overflow: hidden;
    transition: border-color 0.22s, transform 0.22s;
}

.tut-card:hover {
    border-color: var(--purple-border-hover);
    transform: translateY(-3px);
}

.tut-card-thumb {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: #000;
    border-bottom: 1px solid var(--purple-border);
}

.tut-card-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.4s ease;
}

.tut-card:hover .tut-card-thumb img {
    transform: scale(1.03);
}

.tut-card-body {
    display: flex;
    flex-direction: column;
    flex: 1;
    padding: 1.5rem;
}

.tut-card-eyebrow {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.6rem;
    color: var(--green);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    display: block;
    margin-bottom: 0.35rem;
}

.tut-card h2 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.4rem;
    line-height: 1.3;
}

.tut-card-lead {
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.65;
    margin-bottom: 1.1rem;
}

.tut-card-icon {
    font-size: 1.5rem;
    color: var(--purple-light);
    flex-shrink: 0;
}

.tut-card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-bottom: 1rem;
}

.tut-card-tag {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.62rem;
    color: var(--purple-light);
    background: rgba(139, 63, 255, 0.1);
    border: 1px solid rgba(139, 63, 255, 0.2);
    padding: 0.18rem 0.55rem;
    border-radius: 4px;
    letter-spacing: 0.04em;
}

.tut-card-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.9rem;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.62rem;
    color: var(--text-dim);
    letter-spacing: 0.06em;
    text-transform: uppercase;
    border-top: 1px solid rgba(139, 63, 255, 0.12);
    padding-top: 0.75rem;
    margin-bottom: 0.85rem;
}

.tut-card-meta i {
    color: var(--purple-light);
    margin-right: 0.3rem;
}

.tut-card-cta {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.72rem;
    color: var(--green);
    border-top: 1px solid rgba(57, 255, 20, 0.12);
    padding-top: 0.75rem;
    display: block;
    margin-top: auto;
}

.tut-card-cta::after {
    content: ' →';
}

/* ============================================================
   PÁGINA DE TUTORIAL
   ============================================================ */

.tut-page {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 3rem 2rem 5rem;
}

/* ── Hero ───────────────────────────────────────────────── */
.tut-hero {
    margin-bottom: 3rem;
}

.tut-hero-kicker {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.65rem;
    color: var(--green);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    background: var(--green-dim);
    border: 1px solid var(--green-border);
    padding: 0.28rem 0.7rem;
    border-radius: 4px;
    margin-bottom: 1rem;
}

.tut-hero-kicker::before {
    content: '>// ';
    color: rgba(57, 255, 20, 0.4);
}

.tut-hero-title {
    font-family: 'JetBrains Mono', monospace;
    font-size: clamp(1.85rem, 4vw, 2.6rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.tut-hero-title .accent {
    color: var(--purple-mid);
}

.tut-hero-lead {
    font-size: 1rem;
    color: var(--text-muted);
    line-height: 1.75;
    max-width: 640px;
    margin-bottom: 1.5rem;
}

.tut-meta-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.75rem;
}

.tut-meta-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.65rem;
    color: var(--text-dim);
    background: rgba(139, 63, 255, 0.08);
    border: 1px solid var(--purple-border);
    padding: 0.32rem 0.7rem;
    border-radius: 4px;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.tut-meta-pill i {
    color: var(--purple-light);
    font-size: 0.7rem;
}

.tut-embed {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    border-radius: var(--radius-card);
    overflow: hidden;
    border: 1px solid var(--purple-border);
    box-shadow: 0 0 40px rgba(109, 40, 217, 0.14);
    background: #000;
}

.tut-embed iframe {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border: 0;
}

/* ── Layout 2-col ───────────────────────────────────────── */
.tut-layout {
    display: grid;
    grid-template-columns: var(--tut-toc-width) minmax(0, 1fr);
    gap: 3rem;
    align-items: start;
}

/* ── TOC sidebar ────────────────────────────────────────── */
.tut-toc-wrap {
    position: sticky;
    top: calc(var(--header-h) + 1.5rem);
    align-self: start;
    max-height: calc(100vh - var(--header-h) - 3rem);
    overflow-y: auto;
}

.tut-toc-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.62rem;
    color: var(--purple-light);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 0.85rem;
    padding-left: 0.85rem;
    border-left: 2px solid rgba(139, 63, 255, 0.4);
}

.tut-toc {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.05rem;
    padding-left: 0;
}

.tut-toc-link {
    display: block;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.72rem;
    color: var(--text-dim);
    padding: 0.45rem 0.85rem;
    border-left: 2px solid transparent;
    line-height: 1.4;
    transition: color 0.18s, border-color 0.18s, background 0.18s;
}

.tut-toc-link:hover {
    color: var(--text-primary);
    border-left-color: var(--purple-border);
}

.tut-toc-link.is-active {
    color: var(--green);
    border-left-color: var(--green);
    background: rgba(57, 255, 20, 0.04);
}

/* ── TOC mobile (collapsible) ──────────────────────────── */
.tut-toc-mobile {
    display: none;
    margin-bottom: 2rem;
    background: var(--bg-card);
    border: 1px solid var(--purple-border);
    border-radius: var(--radius-card);
    overflow: hidden;
}

.tut-toc-mobile summary {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
    color: var(--text-primary);
    padding: 0.85rem 1rem;
    cursor: pointer;
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    letter-spacing: 0.05em;
}

.tut-toc-mobile summary::-webkit-details-marker {
    display: none;
}

.tut-toc-mobile summary::after {
    content: '+';
    color: var(--purple-light);
    font-size: 1rem;
    transition: transform 0.18s;
}

.tut-toc-mobile[open] summary::after {
    content: '−';
}

.tut-toc-mobile .tut-toc {
    padding: 0 0 0.5rem 0;
    border-top: 1px solid rgba(139, 63, 255, 0.12);
}

.tut-toc-mobile .tut-toc-link {
    padding-left: 1.25rem;
}

/* ============================================================
   PROSE
   ============================================================ */

.tut-prose {
    max-width: var(--tut-prose-max);
    min-width: 0;
    font-size: 1rem;
    line-height: 1.75;
    color: var(--text-primary);
}

.tut-prose section {
    margin-bottom: 3rem;
    scroll-margin-top: calc(var(--header-h) + 1rem);
}

.tut-prose section:last-child {
    margin-bottom: 1rem;
}

.tut-prose h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1.25rem;
    line-height: 1.25;
    letter-spacing: -0.01em;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid rgba(139, 63, 255, 0.14);
}

.tut-prose h2::before {
    content: '// ';
    color: var(--purple-mid);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85em;
}

.tut-prose h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-top: 2rem;
    margin-bottom: 0.85rem;
    line-height: 1.35;
}

.tut-prose p {
    color: var(--text-muted);
    margin-bottom: 1.15rem;
}

.tut-prose p:last-child {
    margin-bottom: 0;
}

.tut-prose strong {
    color: var(--text-primary);
    font-weight: 700;
}

.tut-prose ul,
.tut-prose ol {
    margin: 0 0 1.25rem 1.5rem;
    color: var(--text-muted);
}

.tut-prose ul li,
.tut-prose ol li {
    margin-bottom: 0.4rem;
}

.tut-prose ul li::marker {
    color: var(--purple-mid);
}

.tut-prose ol li::marker {
    color: var(--green);
    font-family: 'JetBrains Mono', monospace;
    font-weight: 700;
}

.tut-prose a {
    color: var(--green);
    border-bottom: 1px solid var(--green-border);
    padding-bottom: 0.05em;
    transition: border-color 0.18s;
}

.tut-prose a:hover {
    border-bottom-color: var(--green);
}

.tut-prose code {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85em;
    color: var(--purple-light);
    background: rgba(139, 63, 255, 0.1);
    border: 1px solid rgba(139, 63, 255, 0.18);
    padding: 0.08em 0.35em;
    border-radius: 4px;
    word-break: break-word;
    overflow-wrap: anywhere;
}

/* ── Steps ──────────────────────────────────────────────── */
.tut-step {
    display: grid;
    grid-template-columns: 2.5rem 1fr;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding: 1.1rem 1.2rem;
    background: rgba(109, 40, 217, 0.04);
    border: 1px solid var(--purple-border);
    border-radius: var(--radius-card);
}

.tut-step-num {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--green);
    line-height: 1;
}

.tut-step-body h4 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.45rem;
    line-height: 1.35;
}

.tut-step-body p {
    margin-bottom: 0.6rem;
    line-height: 1.7;
}

.tut-step-body p:last-child {
    margin-bottom: 0;
}

.tut-step-body code {
    font-size: 0.82em;
}

/* ── Callouts ───────────────────────────────────────────── */
.tut-callout {
    display: grid;
    grid-template-columns: 1.5rem 1fr;
    gap: 0.85rem;
    margin: 1.5rem 0;
    padding: 1rem 1.15rem;
    border-radius: var(--radius-card);
    border: 1px solid;
    font-size: 0.92rem;
    line-height: 1.65;
}

.tut-callout i {
    font-size: 1.1rem;
    margin-top: 0.18rem;
}

.tut-callout strong {
    display: block;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.65rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 0.3rem;
}

.tut-callout p {
    margin-bottom: 0;
    color: var(--text-primary);
}

.tut-callout--info {
    background: rgba(139, 63, 255, 0.07);
    border-color: var(--purple-border);
}

.tut-callout--info i,
.tut-callout--info strong {
    color: var(--purple-light);
}

.tut-callout--warning {
    background: var(--warning-dim);
    border-color: var(--warning-border);
}

.tut-callout--warning i,
.tut-callout--warning strong {
    color: var(--warning);
}

.tut-callout--tip {
    background: var(--green-dim);
    border-color: var(--green-border);
}

.tut-callout--tip i,
.tut-callout--tip strong {
    color: var(--green);
}

/* ── Code blocks ────────────────────────────────────────── */
.tut-code {
    margin: 1.25rem 0;
    background: rgba(9, 7, 15, 0.6);
    border: 1px solid var(--purple-border);
    border-radius: var(--radius-card);
    overflow: hidden;
}

.tut-code-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.55rem 1rem;
    background: rgba(139, 63, 255, 0.08);
    border-bottom: 1px solid var(--purple-border);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.62rem;
    color: var(--text-dim);
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.tut-code pre {
    margin: 0;
    padding: 1rem 1.15rem;
    overflow-x: auto;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    line-height: 1.55;
    color: var(--text-primary);
}

.tut-code pre code {
    background: transparent;
    border: none;
    color: inherit;
    padding: 0;
    font-size: inherit;
    word-break: normal;
    overflow-wrap: normal;
}

/* ── Table ──────────────────────────────────────────────── */
.tut-table-wrap {
    margin: 1.25rem 0;
    border: 1px solid var(--purple-border);
    border-radius: var(--radius-card);
    overflow: hidden;
    overflow-x: auto;
}

.tut-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
}

.tut-table thead {
    background: rgba(139, 63, 255, 0.1);
}

.tut-table th {
    text-align: left;
    padding: 0.7rem 0.9rem;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.65rem;
    color: var(--purple-light);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    border-bottom: 1px solid var(--purple-border);
}

.tut-table td {
    padding: 0.65rem 0.9rem;
    color: var(--text-muted);
    line-height: 1.5;
    border-bottom: 1px solid rgba(139, 63, 255, 0.08);
    vertical-align: top;
}

.tut-table tr:last-child td {
    border-bottom: none;
}

.tut-table td strong {
    color: var(--text-primary);
    font-weight: 700;
}

/* ── Footer da tutorial (próximos passos) ──────────────── */
.tut-next {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(139, 63, 255, 0.16);
}

.tut-next-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.62rem;
    color: var(--purple-light);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 1rem;
}

.tut-next-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.85rem;
}

.tut-next-card {
    display: block;
    padding: 1.05rem 1.2rem 1.3rem;
    background: var(--bg-card);
    border: 1px solid var(--purple-border);
    border-radius: var(--radius-card);
    transition: border-color 0.22s, transform 0.22s;
}

.tut-next-card:hover {
    border-color: var(--purple-border-hover);
    transform: translateY(-2px);
}

.tut-next-card-eyebrow {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.6rem;
    color: var(--green);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    display: block;
    margin-bottom: 0.4rem;
}

.tut-next-card h4 {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.3rem;
    line-height: 1.35;
}

.tut-next-card p {
    font-size: 0.78rem;
    color: var(--text-dim);
    margin: 0;
    line-height: 1.45;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */

@media (max-width: 1080px) {
    .tut-layout {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .tut-toc-wrap {
        display: none;
    }

    .tut-toc-mobile {
        display: block;
    }

    .tut-hub-grid {
        grid-template-columns: 1fr;
    }

    .tut-next-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .tut-hub,
    .tut-page {
        padding-left: 1.25rem;
        padding-right: 1.25rem;
    }

    .tut-prose {
        font-size: 0.95rem;
    }

    .tut-step {
        grid-template-columns: 2rem 1fr;
        padding: 0.95rem 1rem;
    }

    .tut-step-num {
        font-size: 1.2rem;
    }
}