/* Futebol Agenda — tutorial library and detailed tutorial pages. */

.tutorial-page {
    --tutorial-content-max: var(--content-max-width);
    --tutorial-gold: var(--gold-strong);
    --tutorial-gold-soft: color-mix(in srgb, var(--tutorial-gold) 13%, transparent);
}

.tutorial-header .header-content {
    max-width: var(--tutorial-content-max);
}

.tutorial-header-nav {
    display: flex;
    align-items: center;
    gap: 24px;
}

.tutorial-header-nav a {
    display: inline-flex;
    align-items: center;
    min-height: var(--target-min);
    color: var(--ivory);
    font-size: 0.86rem;
    font-weight: 700;
    text-decoration: none;
}

.tutorial-header-nav a:hover {
    text-decoration: underline;
    text-underline-offset: 4px;
}

.tutorial-header-nav-compact {
    display: none;
}

.tutorial-shell {
    position: relative;
    z-index: 2;
    width: min(calc(100% - (2 * var(--content-page-gutter))), var(--tutorial-content-max));
    margin: calc(-1 * var(--content-banner-overlap)) auto 32px;
}

.tutorial-shell.tutorial-article-shell {
    max-width: 960px;
    margin-top: 0;
}

.tutorial-intro,
.tutorial-library,
.faq-section,
.official-sources,
.tutorial-support,
.tutorial-article,
.tutorial-next {
    border: 1px solid var(--line);
    border-radius: var(--radius-card);
    background: var(--bg-card);
    box-shadow: var(--shadow-tight);
}

.tutorial-intro {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 24px;
    align-items: start;
    padding: 48px;
}

.tutorial-intro h2 {
    margin: 0;
    color: var(--text);
    font-size: 3rem;
    line-height: 1.05;
    letter-spacing: -0.04em;
}

.tutorial-intro p {
    max-width: 700px;
    margin: 16px 0 0;
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.6;
}

.tutorial-search {
    display: grid;
    grid-template-columns: 24px minmax(0, 1fr) auto;
    gap: 12px;
    align-items: center;
    width: 100%;
    max-width: 680px;
    min-height: 48px;
    padding: 0 12px 0 16px;
    border: 1px solid var(--line-strong);
    border-radius: var(--radius-control);
    background: var(--bg-card);
    color: var(--text-muted);
}

.tutorial-search:focus-within {
    border-color: var(--control-accent);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--control-accent) 18%, transparent);
}

.tutorial-search svg,
.tutorial-group-icon svg,
.tutorial-row-icon svg,
.tutorial-row > svg,
.article-meta svg,
.article-callout svg,
.completion-check svg {
    fill: none;
    stroke: currentColor;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.tutorial-search svg {
    width: 24px;
    height: 24px;
    stroke-width: 1.8;
}

.tutorial-search input {
    width: 100%;
    border: 0;
    outline: 0;
    background: transparent;
    color: var(--text);
    font: inherit;
}

.tutorial-search button {
    display: grid;
    place-items: center;
    width: var(--target-min);
    height: var(--target-min);
    border: 0;
    border-radius: 50%;
    background: transparent;
    color: var(--text-muted);
    font-size: 1.3rem;
    cursor: pointer;
}

.tutorial-search button[hidden] {
    display: none;
}

.tutorial-section-nav {
    display: flex;
    gap: 4px;
    margin-top: var(--section-gap-compact);
    overflow-x: auto;
    padding: 4px;
    border: 1px solid var(--line);
    border-radius: var(--radius-card);
    background: color-mix(in srgb, var(--bg-card) 94%, transparent);
    box-shadow: var(--shadow-tight);
    scrollbar-width: none;
}

.tutorial-section-nav::-webkit-scrollbar,
.tutorial-filters::-webkit-scrollbar {
    display: none;
}

.tutorial-section-nav a {
    display: inline-flex;
    flex: 1 0 auto;
    align-items: center;
    justify-content: center;
    min-height: var(--target-min);
    padding: 8px 16px;
    border-radius: var(--radius-control);
    color: var(--control-neutral-text);
    font-size: 0.78rem;
    font-weight: 700;
    text-decoration: none;
    white-space: nowrap;
}

.tutorial-section-nav a:hover {
    background: var(--control-neutral-bg-hover);
}

.tutorial-library,
.faq-section,
.official-sources {
    margin-top: 24px;
    padding: 32px;
    scroll-margin-top: 18px;
}

.section-heading-row {
    display: flex;
    gap: 24px;
    align-items: flex-start;
    justify-content: space-between;
}

.section-heading-row h2,
.official-sources h2,
.tutorial-article h2 {
    margin: 0;
    color: var(--ink);
    font-size: 2rem;
    line-height: 1.15;
    letter-spacing: -0.025em;
}

.section-heading-row p,
.official-sources p {
    max-width: 680px;
    margin: 8px 0 0;
    color: var(--text-secondary);
    line-height: 1.6;
}

.section-heading-row > span {
    color: var(--text-muted);
    font-size: 0.8rem;
    font-weight: 700;
}

.tutorial-filters {
    display: flex;
    gap: 8px;
    margin-top: 24px;
    overflow-x: auto;
    scrollbar-width: none;
}

.tutorial-filters button {
    min-height: var(--target-min);
    padding: 0 16px;
    border: 1px solid var(--line);
    border-radius: var(--filter-control-radius, var(--radius-control));
    background: var(--bg-card);
    color: var(--text-secondary);
    font: inherit;
    font-size: 0.84rem;
    font-weight: 700;
    white-space: nowrap;
    cursor: pointer;
}

.tutorial-filters button.active {
    border-color: var(--control-neutral-selected-bg);
    background: var(--control-neutral-selected-bg);
    color: var(--control-neutral-selected-text);
}

.tutorial-group-list,
.faq-groups {
    display: grid;
    gap: 24px;
    margin-top: 24px;
}

.tutorial-group[hidden],
.faq-group[hidden],
.tutorial-row[hidden] {
    display: none;
}

.tutorial-group-heading {
    display: flex;
    gap: 16px;
    align-items: center;
    justify-content: space-between;
    min-height: var(--target-min);
}

.tutorial-group-heading > div {
    display: flex;
    gap: 8px;
    align-items: center;
}

.tutorial-group-heading h3,
.faq-group h3 {
    margin: 0;
    color: var(--ink);
    font-size: 0.95rem;
    letter-spacing: -0.01em;
}

.tutorial-group-heading > span {
    color: var(--text-muted);
    font-size: 0.76rem;
    font-weight: 700;
}

.tutorial-group-icon {
    display: grid;
    place-items: center;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-control);
    background: var(--control-accent-soft);
    color: var(--control-neutral-text);
}

.tutorial-group-icon svg {
    width: 19px;
    height: 19px;
    stroke-width: 1.8;
}

.tutorial-list {
    margin-top: 8px;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: var(--radius-control);
}

.tutorial-row {
    display: grid;
    grid-template-columns: 40px minmax(0, 1fr) auto 24px;
    gap: 16px;
    align-items: center;
    width: 100%;
    min-height: 76px;
    padding: 12px 16px;
    border-bottom: 1px solid var(--line);
    background: var(--bg-card);
    color: var(--text);
    text-decoration: none;
}

.tutorial-row:last-child {
    border-bottom: 0;
}

.tutorial-row:hover {
    background: var(--bg-soft);
}

.tutorial-row-icon {
    position: relative;
    display: grid;
    place-items: center;
    width: 40px;
    height: 40px;
    border: 1px solid var(--line);
    border-radius: var(--radius-control);
    background: var(--bg-card);
    color: var(--control-neutral-text);
}

.tutorial-row-icon::before {
    position: absolute;
    top: -3px;
    left: 50%;
    width: 2px;
    height: 6px;
    background: var(--gold);
    box-shadow: 7px 0 var(--gold);
    content: "";
    transform: translateX(-4.5px);
}

.tutorial-row-icon svg {
    width: 20px;
    height: 20px;
    stroke-width: 1.5;
    stroke-linecap: square;
    stroke-linejoin: miter;
}

.tutorial-row strong,
.tutorial-row small {
    display: block;
}

.tutorial-row strong {
    font-size: 0.9rem;
}

.tutorial-row small {
    margin-top: 4px;
    color: var(--text-muted);
    font-size: 0.76rem;
    line-height: 1.4;
}

.tutorial-row-time {
    color: var(--text-muted);
    font-size: 0.76rem;
    font-weight: 700;
}

.tutorial-row > svg {
    width: 20px;
    height: 20px;
    stroke: var(--text-muted);
    stroke-width: 1.8;
}

.tutorial-empty {
    margin: 24px 0 0;
    color: var(--text-secondary);
    text-align: center;
}

.faq-group h3 {
    margin-bottom: 8px;
}

.faq-list {
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: var(--radius-control);
}

.faq-list details {
    border-bottom: 1px solid var(--line);
}

.faq-list details:last-child {
    border-bottom: 0;
}

.faq-list details[hidden] {
    display: none;
}

.faq-list summary,
.troubleshooting summary {
    position: relative;
    padding: 16px 48px 16px 16px;
    color: var(--text);
    font-size: 0.9rem;
    font-weight: 700;
    cursor: pointer;
    list-style: none;
}

.faq-list summary::-webkit-details-marker,
.troubleshooting summary::-webkit-details-marker {
    display: none;
}

.faq-list summary::after,
.troubleshooting summary::after {
    position: absolute;
    top: 50%;
    right: 18px;
    width: 8px;
    height: 8px;
    border-right: 2px solid var(--text-muted);
    border-bottom: 2px solid var(--text-muted);
    content: "";
    transform: translateY(-70%) rotate(45deg);
}

.faq-list details[open] summary::after,
.troubleshooting details[open] summary::after {
    transform: translateY(-30%) rotate(225deg);
}

.faq-list details p {
    margin: 0;
    padding: 0 48px 16px 16px;
    color: var(--text-secondary);
    font-size: 0.86rem;
    line-height: 1.6;
}

.official-sources {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 24px;
}

.official-links {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1px;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: var(--radius-control);
    background: var(--line);
}

.official-links a {
    display: flex;
    gap: 8px;
    align-items: center;
    justify-content: space-between;
    min-height: 48px;
    padding: 12px 16px;
    background: var(--bg-card);
    color: var(--brand);
    font-size: 0.78rem;
    font-weight: 700;
    text-decoration: none;
}

.official-links a:hover {
    background: var(--bg-soft);
}

.tutorial-support {
    display: flex;
    gap: 24px;
    align-items: center;
    justify-content: space-between;
    margin-top: 24px;
    padding: 24px;
    background: var(--control-accent-soft);
}

.tutorial-support strong {
    color: var(--text);
}

.tutorial-support p {
    margin: 4px 0 0;
    color: var(--text-secondary);
    font-size: 0.82rem;
}

/* Individual tutorials */

.tutorial-breadcrumbs {
    display: flex;
    gap: 8px;
    align-items: center;
    min-height: var(--target-min);
    margin-bottom: 12px;
    color: var(--text-muted);
    font-size: 0.8rem;
}

.tutorial-breadcrumbs a {
    color: var(--brand);
    font-weight: 700;
    text-underline-offset: 3px;
}

.tutorial-article {
    padding: 48px;
}

.article-header {
    padding-bottom: 28px;
    border-bottom: 1px solid var(--line);
}

.article-context {
    margin: 0 0 8px;
    color: var(--tutorial-gold);
    font-size: 0.75rem;
    font-weight: 800;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.article-header h2 {
    max-width: 780px;
    font-size: clamp(2rem, 5vw, 3.3rem);
    line-height: 1.04;
}

.article-summary {
    max-width: 720px;
    margin: 16px 0 0;
    color: var(--text-secondary);
    font-size: 1.05rem;
    line-height: 1.65;
}

.article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-top: 20px;
    color: var(--text-muted);
    font-size: 0.82rem;
    font-weight: 700;
}

.article-meta span {
    display: inline-flex;
    gap: 7px;
    align-items: center;
}

.article-meta svg {
    width: 18px;
    height: 18px;
    stroke-width: 1.8;
}

.article-callout {
    display: grid;
    grid-template-columns: 24px minmax(0, 1fr);
    gap: 12px;
    margin-top: 24px;
    padding: 16px;
    border: 1px solid color-mix(in srgb, var(--tutorial-gold) 36%, var(--line));
    border-radius: var(--radius-control);
    background: var(--tutorial-gold-soft);
    color: var(--text-secondary);
    font-size: 0.88rem;
    line-height: 1.55;
}

.article-callout strong {
    color: var(--text);
}

.article-callout svg {
    width: 22px;
    height: 22px;
    color: var(--tutorial-gold);
    stroke-width: 1.8;
}

.article-section {
    margin-top: 36px;
}

.article-section > h3 {
    margin: 0;
    color: var(--ink);
    font-size: 1.35rem;
    letter-spacing: -0.02em;
}

.article-section > p {
    max-width: 720px;
    margin: 8px 0 0;
    color: var(--text-secondary);
    line-height: 1.65;
}

.before-list,
.verification-list {
    display: grid;
    gap: 10px;
    margin: 18px 0 0;
    padding: 0;
    list-style: none;
}

.before-list li,
.verification-list li {
    position: relative;
    padding-left: 28px;
    color: var(--text-secondary);
    line-height: 1.55;
}

.before-list li::before,
.verification-list li::before {
    position: absolute;
    top: 0.24em;
    left: 0;
    display: grid;
    place-items: center;
    width: 18px;
    height: 18px;
    border: 1px solid var(--line-strong);
    border-radius: 50%;
    color: var(--brand);
    content: "✓";
    font-size: 0.7rem;
    font-weight: 800;
}

.precise-steps {
    display: grid;
    gap: 0;
    margin: 20px 0 0;
    padding: 0;
    list-style: none;
    counter-reset: tutorial-step;
}

.precise-steps > li {
    position: relative;
    display: grid;
    grid-template-columns: 48px minmax(0, 1fr);
    gap: 18px;
    padding-bottom: 28px;
    counter-increment: tutorial-step;
}

.precise-steps > li:not(:last-child)::before {
    position: absolute;
    top: 46px;
    bottom: 2px;
    left: 23px;
    width: 1px;
    background: var(--line);
    content: "";
}

.precise-steps > li::after {
    display: grid;
    grid-column: 1;
    grid-row: 1;
    place-items: center;
    width: 46px;
    height: 46px;
    border: 1px solid var(--line-strong);
    border-radius: 50%;
    background: var(--bg-card);
    color: var(--brand);
    content: counter(tutorial-step);
    font-size: 0.9rem;
    font-weight: 800;
}

.step-content {
    grid-column: 2;
    grid-row: 1;
    min-width: 0;
    padding-top: 2px;
}

.step-content h4 {
    margin: 0;
    color: var(--text);
    font-size: 1rem;
    line-height: 1.4;
}

.step-content p {
    margin: 6px 0 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.65;
}

.step-content ul {
    display: grid;
    gap: 6px;
    margin: 10px 0 0;
    padding-left: 20px;
    color: var(--text-secondary);
    font-size: 0.88rem;
    line-height: 1.55;
}

.expected-result {
    margin-top: 10px;
    padding: 10px 12px;
    border-left: 3px solid var(--gold);
    background: var(--bg-soft);
    color: var(--text-secondary);
    font-size: 0.82rem;
    line-height: 1.5;
}

.expected-result strong {
    color: var(--text);
}

.inline-action {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: var(--component-action-height);
    margin-top: 18px;
    padding: var(--component-action-padding);
    border-radius: var(--radius-control);
    background: var(--action-bg);
    color: var(--action-text);
    font-size: var(--component-action-font-size);
    font-weight: var(--component-action-font-weight);
    text-decoration: none;
}

.completion-check {
    display: grid;
    grid-template-columns: 44px minmax(0, 1fr);
    gap: 14px;
    align-items: center;
    margin-top: 18px;
    padding: 18px;
    border: 1px solid var(--line);
    border-radius: var(--radius-control);
    background: var(--control-accent-soft);
}

.completion-check svg {
    width: 28px;
    height: 28px;
    color: var(--brand);
    stroke-width: 1.8;
}

.completion-check strong,
.completion-check span {
    display: block;
}

.completion-check span {
    margin-top: 3px;
    color: var(--text-secondary);
    font-size: 0.84rem;
    line-height: 1.5;
}

.troubleshooting {
    margin-top: 18px;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: var(--radius-control);
}

.troubleshooting details {
    border-bottom: 1px solid var(--line);
}

.troubleshooting details:last-child {
    border-bottom: 0;
}

.troubleshooting details > div {
    padding: 0 48px 18px 16px;
    color: var(--text-secondary);
    font-size: 0.86rem;
    line-height: 1.6;
}

.troubleshooting p {
    margin: 0;
}

.source-note {
    margin-top: 36px;
    padding-top: 24px;
    border-top: 1px solid var(--line);
    color: var(--text-muted);
    font-size: 0.8rem;
    line-height: 1.55;
}

.source-note a {
    color: var(--brand);
    font-weight: 700;
}

.browser-index {
    display: flex;
    gap: 8px;
    margin-top: 20px;
    overflow-x: auto;
}

.browser-index a {
    display: inline-flex;
    align-items: center;
    min-height: var(--target-min);
    padding: 0 16px;
    border: 1px solid var(--line);
    border-radius: var(--radius-control);
    color: var(--brand);
    font-size: 0.84rem;
    font-weight: 700;
    text-decoration: none;
    white-space: nowrap;
}

.browser-guide {
    scroll-margin-top: 18px;
}

.browser-guide + .browser-guide {
    margin-top: 48px;
    padding-top: 40px;
    border-top: 1px solid var(--line);
}

.tutorial-next {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1px;
    margin-top: 16px;
    overflow: hidden;
    background: var(--line);
}

.tutorial-next a {
    display: grid;
    gap: 4px;
    min-height: 76px;
    padding: 16px 20px;
    background: var(--bg-card);
    color: var(--brand);
    text-decoration: none;
}

.tutorial-next a:hover {
    background: var(--bg-soft);
}

.tutorial-next small {
    color: var(--text-muted);
    font-size: 0.72rem;
    font-weight: 700;
}

.tutorial-next strong {
    font-size: 0.88rem;
}

@media (max-width: 720px) {
    .tutorial-header .header-content {
        align-items: flex-start;
    }

    .tutorial-header-nav {
        flex-direction: column;
        gap: 8px;
        align-items: flex-end;
    }

    .tutorial-shell {
        width: calc(100% - (2 * var(--content-page-gutter-mobile)));
        margin-top: calc(-1 * var(--content-banner-overlap-compact));
    }

    .tutorial-intro,
    .tutorial-library,
    .faq-section,
    .official-sources,
    .tutorial-article {
        padding: 24px;
    }

    .tutorial-intro h2 {
        font-size: 2rem;
    }

    .section-heading-row {
        display: grid;
        gap: 12px;
    }

    .section-heading-row h2,
    .official-sources h2 {
        font-size: 1.5rem;
    }

    .official-links,
    .tutorial-next {
        grid-template-columns: 1fr;
    }

    .article-header h2 {
        font-size: 2.2rem;
    }
}

@media (max-width: 520px) {
    .tutorial-header-nav a:first-child {
        display: none;
    }

    .tutorial-filters button {
        padding: 0 12px;
    }

    .tutorial-row {
        grid-template-columns: 40px minmax(0, 1fr) 20px;
        gap: 12px;
        padding-inline: 12px;
    }

    .tutorial-row-time {
        display: none;
    }

    .tutorial-support {
        align-items: stretch;
        flex-direction: column;
    }

    .tutorial-support .footer-btn {
        justify-content: center;
        width: 100%;
    }

    .article-header h2 {
        font-size: 1.9rem;
    }

    .precise-steps > li {
        grid-template-columns: 38px minmax(0, 1fr);
        gap: 12px;
    }

    .precise-steps > li::after {
        width: 38px;
        height: 38px;
    }

    .precise-steps > li:not(:last-child)::before {
        top: 38px;
        left: 18px;
    }
}

@media (max-width: 360px) {
    .tutorial-shell {
        width: calc(100% - (2 * var(--content-page-gutter-compact)));
    }

    .tutorial-header-nav-full {
        display: none;
    }

    .tutorial-header-nav-compact {
        display: inline;
    }
}