/* Zebra Puzzle · interface 2026.09.20 · Bootstrap 5.3 */
:root {
    color-scheme: light;
    --z-paper: #faf9f5; --z-surface: #fffefa; --z-ink: #292c29; --z-muted: #61655f;
    --z-line: #dbddd5; --z-green: #366653; --z-green-dark: #254e3e; --z-soft: #edf1e9;
    --bs-body-color: var(--z-ink); --bs-body-bg: var(--z-paper);
    --bs-body-font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --bs-link-color-rgb: 54, 102, 83; --bs-link-hover-color-rgb: 37, 78, 62;
    --bs-border-color: var(--z-line); --bs-secondary-color: var(--z-muted); --bs-border-radius: .5rem;
}
* { box-sizing: border-box; }
body { min-height: 100vh; display: flex; flex-direction: column; font-size: 1rem; line-height: 1.6; }
main { flex: 1; }
a { text-underline-offset: .2em; }
h1, h2, h3, legend { line-height: 1.2; }
h1 { font-size: clamp(1.8rem, 4vw, 2.35rem); font-weight: 750; letter-spacing: -.045em; }
h2, h3 { font-weight: 700; letter-spacing: -.025em; }
p { max-width: 75ch; }
:focus-visible { outline: 3px solid #92691b; outline-offset: 4px; }
[hidden] { display: none !important; }
.container { max-width: 1120px; }
.skip-link { position: absolute; top: -100px; left: 1rem; z-index: 100; padding: .65rem 1rem; background: var(--z-ink); color: #fff; }
.skip-link:focus { top: .5rem; color: #fff; }
.site-header { border-bottom: 1px solid var(--z-line); }
.site-nav { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1rem; min-height: 82px; padding-block: 1rem; }
.brand { display: inline-flex; align-items: center; gap: .65rem; color: var(--z-ink); text-decoration: none; font-size: 1.1rem; font-weight: 800; letter-spacing: -.04em; white-space: nowrap; }
.brand:hover { color: var(--z-green); }
.brand-mark { width: 25px; height: 25px; display: grid; grid-template-columns: repeat(2, 1fr); gap: 3px; transform: rotate(-6deg); }
.brand-mark span { background: var(--z-green); border-radius: 2px; }
.brand-mark span:nth-child(2), .brand-mark span:nth-child(3) { background: #cfb578; }
.site-links { display: flex; flex-wrap: wrap; align-items: center; gap: .2rem; }
.nav-item-link { display: inline-block; color: var(--z-muted); font-size: .9rem; font-weight: 600; text-decoration: none; padding: .5rem .7rem; border-radius: .35rem; }
.nav-item-link:hover, .nav-item-link[aria-current="page"] { color: var(--z-green-dark); background: var(--z-soft); }
.site-links form { margin: 0 0 0 .35rem; }
.ofensiva-header { display: flex; flex-wrap: wrap; align-items: center; gap: .35rem 1.4rem; padding-bottom: .8rem; font-size: .8rem; color: var(--z-muted); }
.ofensiva-header strong { color: var(--z-green-dark); }
.main-content { padding-block: 2.5rem 4rem; }
.site-footer { border-top: 1px solid var(--z-line); color: var(--z-muted); font-size: .8rem; }
.site-footer .container { display: flex; flex-wrap: wrap; justify-content: space-between; gap: .5rem 1rem; padding-block: 1.3rem; }
.site-footer a { color: inherit; }
.eyebrow { display: block; margin-bottom: .75rem; font-size: .72rem; letter-spacing: .13em; font-weight: 750; text-transform: uppercase; color: var(--z-green); }
.page-heading { margin-bottom: 1.75rem; }
.page-heading p { margin-bottom: 0; color: var(--z-muted); }
.card { --bs-card-bg: var(--z-surface); --bs-card-border-color: var(--z-line); border-radius: .6rem; box-shadow: none; }
.card-body { padding: 1.5rem; }
.btn { --bs-btn-font-weight: 650; --bs-btn-padding-x: 1.1rem; --bs-btn-padding-y: .65rem; --bs-btn-border-radius: .4rem; transition: background-color .12s, border-color .12s; }
.btn-sm { --bs-btn-padding-x: .75rem; --bs-btn-padding-y: .4rem; }
.btn-primary, .btn-success { --bs-btn-color: #fff; --bs-btn-bg: var(--z-green); --bs-btn-border-color: var(--z-green); --bs-btn-hover-bg: var(--z-green-dark); --bs-btn-hover-border-color: var(--z-green-dark); --bs-btn-active-bg: var(--z-green-dark); --bs-btn-active-border-color: var(--z-green-dark); --bs-btn-disabled-bg: var(--z-green); --bs-btn-disabled-border-color: var(--z-green); --bs-btn-focus-shadow-rgb: 54, 102, 83; }
.btn-outline-primary, .btn-outline-secondary { --bs-btn-color: var(--z-ink); --bs-btn-border-color: #b7bdb1; --bs-btn-hover-color: var(--z-ink); --bs-btn-hover-bg: var(--z-soft); --bs-btn-hover-border-color: var(--z-green); --bs-btn-active-color: var(--z-ink); --bs-btn-active-bg: var(--z-soft); --bs-btn-active-border-color: var(--z-green); --bs-btn-disabled-color: #686d65; --bs-btn-disabled-border-color: var(--z-line); }
.btn-danger { --bs-btn-bg: #9c423c; --bs-btn-border-color: #9c423c; --bs-btn-hover-bg: #7b302b; --bs-btn-hover-border-color: #7b302b; }
.btn-outline-danger { --bs-btn-color: #9c423c; --bs-btn-border-color: #c9a29d; --bs-btn-hover-bg: #9c423c; --bs-btn-hover-border-color: #9c423c; }
.form-label { font-size: .88rem; font-weight: 650; }
.form-control, .form-select { min-height: 45px; background-color: var(--z-surface); border-color: #bbc1b5; }
.form-control:focus, .form-select:focus { background-color: var(--z-surface); border-color: var(--z-green); box-shadow: 0 0 0 .18rem rgb(54 102 83 / 16%); }
.form-check-input:checked { background-color: var(--z-green); border-color: var(--z-green); }
.form-text { color: var(--z-muted); }
.text-bg-secondary { background-color: var(--z-soft) !important; color: var(--z-green-dark) !important; }
.alert { border-radius: .4rem; border-width: 0 0 0 3px; padding: .9rem 1rem; }
.alert-info, .alert-success { --bs-alert-color: #274e3c; --bs-alert-bg: #edf2e9; --bs-alert-border-color: #4c7b62; }
.alert-warning { --bs-alert-color: #72511b; --bs-alert-bg: #f7f0de; --bs-alert-border-color: #b38a36; }
.alert-danger { --bs-alert-color: #843e38; --bs-alert-bg: #fbefeb; --bs-alert-border-color: #a34d44; }
.auth-shell { max-width: 490px; margin: 1rem auto 2rem; }
.auth-shell h1 { font-size: 2rem; }
.auth-shell > p { color: var(--z-muted); }
.auth-shell .card-body { padding: 1.7rem; }
.auth-switch { text-align: center; margin-top: 1.2rem; font-size: .9rem; }
.account-shell { max-width: 760px; margin-inline: auto; }
.profile-choice { display: flex; flex-wrap: wrap; gap: .6rem 1.3rem; }
.profile-choice .form-check { margin: 0; }
.home-intro { max-width: 640px; margin: 1.3rem auto 2rem; text-align: center; }
.home-intro h1 { font-size: clamp(2rem, 5vw, 3rem); line-height: 1.1; margin: 1.2rem 0 1rem; }
.home-intro > p { max-width: 44ch; margin-inline: auto; color: var(--z-muted); }
.home-tiles { display: flex; gap: .4rem; justify-content: center; }
.home-tiles span { width: 44px; height: 48px; display: grid; place-items: center; border: 2px solid var(--z-line); border-radius: .3rem; color: var(--z-ink); font-size: 1.15rem; font-weight: 800; }
.home-tiles span:nth-child(1), .home-tiles span:nth-child(4) { background: var(--z-green); border-color: var(--z-green); color: #fff; }
.home-tiles span:nth-child(3) { background: #ead8a6; border-color: #ead8a6; }
.daily-panel { max-width: 540px; margin: 0 auto; padding: 1.5rem; border: 1px solid #aeb6a7; border-radius: .6rem; background: var(--z-surface); }
.daily-panel-top { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: .75rem; margin-bottom: 1.1rem; }
.daily-panel h2 { font-size: 1.2rem; margin: 0; }
.daily-panel time { font-size: .88rem; color: var(--z-muted); }
.daily-panel > .btn { width: 100%; }
.daily-secondary { display: flex; flex-wrap: wrap; gap: .8rem; justify-content: space-between; margin-top: 1.1rem; font-size: .88rem; }
.how-to { max-width: 540px; margin: 1.4rem auto 0; padding-block: .9rem; border-block: 1px solid var(--z-line); }
.how-to summary { font-weight: 650; cursor: pointer; }
.how-to ol { margin-top: 1rem; padding-left: 1.25rem; font-size: .9rem; color: var(--z-muted); }
.how-to li + li { margin-top: .65rem; }
.player-layout { max-width: 760px; margin-inline: auto; }
.player-main { padding: 1.8rem; border-block: 1px solid var(--z-line); margin-bottom: 1.8rem; background: var(--z-soft); }
.player-main h2 { font-size: 1.6rem; }
.quick-links { display: grid; grid-template-columns: repeat(2, 1fr); border-top: 1px solid var(--z-line); }
.quick-links a { padding: 1rem 0; font-weight: 600; }
.theme-panel { border-top: 1px solid var(--z-line); padding-top: 1.5rem; }
.theme-panel p { color: var(--z-muted); }
.cronometro { min-width: 105px; border-left: 2px solid var(--z-green); padding: .2rem 0 .2rem 1rem; }
.cronometro strong { display: block; font-size: 1.65rem; font-weight: 750; font-variant-numeric: tabular-nums; }
.game-note { color: var(--z-muted); font-size: .88rem; margin-bottom: 1rem; }
.desafio-grade-wrapper { background: var(--z-surface); border: 1px solid var(--z-line); border-radius: .5rem; }
.desafio-grade { table-layout: fixed; min-width: 750px; margin: 0; --bs-table-bg: transparent; }
.desafio-grade th, .desafio-grade td { padding: .65rem .45rem; border-bottom-color: var(--z-line); }
.desafio-grade thead th { padding-block: 1rem; background: var(--z-soft); font-size: .82rem; font-weight: 700; }
.desafio-grade th:first-child { width: 16%; }
.desafio-grade tbody th { padding-left: .8rem; font-size: .85rem; overflow-wrap: anywhere; }
.desafio-grade tr:last-child td, .desafio-grade tr:last-child th { border-bottom: 0; }
.desafio-grade .form-select { font-size: .84rem; padding-left: .55rem; padding-right: 1.7rem; min-height: 48px; border-radius: .25rem; }
.desafio-grade .form-select:valid { background-color: var(--z-soft); border-color: #88a490; font-weight: 600; }
.game-actions { display: flex; flex-wrap: wrap; gap: .5rem; margin-block: 1rem 2rem; }
.game-actions .btn-primary { margin-left: auto; }
.clues-heading { display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; margin-bottom: .6rem; }
.clues-heading h2 { font-size: 1.35rem; margin: 0; }
.clues-heading span { color: var(--z-muted); font-size: .82rem; }
.lista-dicas { list-style: none; counter-reset: dica; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); column-gap: 2rem; }
.dica-item { counter-increment: dica; display: flex; align-items: baseline; gap: .45rem; padding: .9rem 0; border-bottom: 1px solid var(--z-line); font-size: .91rem; }
.dica-item::before { content: counter(dica, decimal-leading-zero); color: var(--z-muted); font-size: .72rem; min-width: 1.1rem; font-variant-numeric: tabular-nums; }
.dica-status { flex: 0 0 .7rem; font-weight: 800; }
.dica-satisfeita { color: var(--z-green); }
.dica-satisfeita > span:nth-of-type(2) { text-decoration: line-through; text-decoration-thickness: 1px; }
.dica-nao-satisfeita .dica-status { color: #9c423c; }
.scroll-hint { display: none; font-size: .8rem; color: var(--z-muted); }
.table { --bs-table-bg: transparent; --bs-table-striped-bg: #f0f2eb; --bs-table-color: var(--z-ink); }
.table > :not(caption) > * > * { padding-block: .9rem; }
.table thead th { font-size: .8rem; color: var(--z-muted); font-weight: 650; }
.table caption { color: var(--z-muted); font-size: .8rem; }
.table-responsive { border-radius: .45rem; }
.tempo-ranking { white-space: nowrap; font-variant-numeric: tabular-nums; font-weight: 700; }
.tabela-leaderboard td { overflow-wrap: anywhere; }
.tabela-leaderboard th[scope="row"] { font-variant-numeric: tabular-nums; }
.rank-position { display: inline-grid; place-items: center; min-width: 32px; height: 32px; border-radius: .2rem; background: var(--z-soft); }
.tabela-leaderboard tbody tr:first-child .rank-position { background: #ead8a6; }
.list-group { --bs-list-group-bg: transparent; --bs-list-group-border-color: var(--z-line); }
.list-group-item { padding: 1.1rem; }
.result-shell { max-width: 640px; margin-inline: auto; }
.result-top { text-align: center; padding-block: 1rem; }
.result-check { display: inline-grid; place-items: center; width: 44px; height: 44px; color: #fff; background: var(--z-green); border-radius: .3rem; font-size: 1.4rem; margin-bottom: 1rem; }
.result-time { font-size: 3rem; font-weight: 750; letter-spacing: -.05em; font-variant-numeric: tabular-nums; }
.result-shell dl { padding-block: 1.4rem; border-block: 1px solid var(--z-line); }
.result-shell dt { color: var(--z-muted); font-weight: 500; }
.admin-nav { border-bottom: 1px solid var(--z-line); padding-bottom: 1rem; }
.admin-form { max-width: 850px; }
.admin-form fieldset { background: var(--z-surface); }
.admin-table { font-size: .87rem; }
.admin-table td { max-width: 300px; overflow-wrap: anywhere; }
.admin-actions { min-width: 160px; }
.error-shell { max-width: 620px; margin: 3rem auto; }
.captcha-box { display: inline-flex; max-width: 100%; width: fit-content; padding: .5rem; border: 1px solid var(--z-line); background: #fff; border-radius: .4rem; }
.captcha-box img { display: block; max-width: 100%; height: auto; }
#sessao-aviso { padding: 1rem; color: #72511b !important; background: #f7f0de; border: 1px solid #c5a76c; }
@media (max-width: 767.98px) {
    .container { padding-inline: 1rem; }
    .main-content { padding-block: 1.5rem 2.5rem; }
    .site-nav { gap: .7rem; min-height: 70px; }
    .site-links { gap: .15rem; }
    .nav-item-link { font-size: .83rem; padding: .45rem .5rem; }
    .site-header:has(.ofensiva-header) .site-links { width: 100%; }
    .ofensiva-header { font-size: .77rem; }
    .home-intro { margin-top: 1rem; }
    .home-intro h1 { font-size: 2.15rem; }
    .auth-shell { margin-top: .5rem; }
    .auth-shell .card-body, .card-body, .daily-panel, .player-main { padding: 1.2rem; }
    .lista-dicas { grid-template-columns: minmax(0,1fr); }
    .scroll-hint { display: block; }
    .desafio-grade tbody th, .desafio-grade thead th:first-child { position: sticky; left: 0; z-index: 1; background: var(--z-surface); border-right: 1px solid var(--z-line); }
    .game-actions .btn-primary { flex-basis: 100%; margin: .35rem 0 0; }
    .game-actions > .btn-outline-secondary { flex: 1; }
    .tabela-leaderboard { min-width: 540px; }
    .admin-table { min-width: 650px; }
    .admin-heading { flex-wrap: wrap; }
}
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; } }