/**
 * Back 2 HoK — Página Formatos oficiales
 */

.fmt-page {
    padding-bottom: 4rem;
}

.fmt-hero {
    text-align: center;
    padding: 3rem 0 2.5rem;
    border-bottom: 1px solid var(--b2k-border);
    margin-bottom: 2rem;
}

.fmt-hero__eyebrow {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--b2k-sage-dark);
    margin-bottom: 0.75rem;
    display: inline-block;
    padding: 0.35rem 0.75rem;
    border: 1.5px solid var(--b2k-sage);
    border-radius: var(--radius-cut);
}

.fmt-hero h1 {
    font-size: clamp(2rem, 5vw, 3rem);
    margin: 0 0 0.75rem;
    text-transform: uppercase;
}

.fmt-hero p {
    max-width: 620px;
    margin: 0 auto;
    color: var(--b2k-ink-muted);
    line-height: 1.7;
    font-size: 1.05rem;
}

.fmt-tabs {
    display: flex;
    justify-content: center;
    gap: 0.75rem;
    flex-wrap: wrap;
    margin-bottom: 2.5rem;
}

.fmt-tab {
    padding: 0.75rem 1.5rem;
    font-family: var(--font-ui);
    font-weight: 700;
    font-size: 0.82rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    border: 1.5px solid var(--b2k-border);
    background: var(--b2k-white);
    color: var(--b2k-ink-muted);
    border-radius: var(--radius-cut);
    cursor: pointer;
    transition: all 0.2s;
}

.fmt-tab:hover {
    border-color: var(--b2k-sage);
    color: var(--b2k-ink);
}

.fmt-tab.is-active {
    background: var(--b2k-ink);
    color: var(--b2k-gold-bright);
    border-color: var(--b2k-ink);
}

.fmt-panel { display: none; }
.fmt-panel.is-active { display: block; }

.fmt-quick {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 2rem;
    padding: 1rem 1.25rem;
    background: var(--b2k-surface);
    border: 1px solid var(--b2k-border);
    border-radius: var(--radius-md);
}

.fmt-quick a {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    padding: 0.4rem 0.75rem;
    background: var(--b2k-white);
    border: 1px solid var(--b2k-border);
    border-radius: var(--radius-cut);
    color: var(--b2k-sage-dark);
    text-decoration: none;
    transition: all 0.15s;
}

.fmt-quick a:hover {
    border-color: var(--b2k-gold);
    color: var(--b2k-ink);
}

.fmt-card {
    background: var(--b2k-white);
    border: 1px solid var(--b2k-border);
    border-radius: var(--radius-md);
    box-shadow: var(--b2k-shadow);
    margin-bottom: 2rem;
    overflow: hidden;
    scroll-margin-top: calc(var(--header-h) + 1rem);
}

.fmt-card::before {
    content: '';
    display: block;
    height: 4px;
    background: linear-gradient(90deg, var(--b2k-sage), var(--b2k-gold));
}

.fmt-card__head {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 1.25rem;
    padding: 1.5rem 1.75rem;
    border-bottom: 1px solid var(--b2k-border);
}

.fmt-card__icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    background: var(--b2k-surface);
    border: 1px solid var(--b2k-border);
    border-radius: var(--radius-cut);
}

.fmt-card__title {
    font-family: var(--font-display);
    font-size: clamp(1.25rem, 3vw, 1.6rem);
    margin: 0 0 0.35rem;
    text-transform: uppercase;
}

.fmt-card__summary {
    margin: 0;
    color: var(--b2k-ink-muted);
    font-size: 0.92rem;
    line-height: 1.55;
}

.fmt-card__badge {
    font-family: var(--font-mono);
    font-size: 0.62rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 0.4rem 0.7rem;
    background: rgba(140, 158, 95, 0.12);
    color: var(--b2k-sage-dark);
    border-radius: var(--radius-cut);
    white-space: nowrap;
}

.fmt-card__body {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.75rem;
    padding: 1.75rem;
}

@media (max-width: 860px) {
    .fmt-card__body { grid-template-columns: 1fr; }
    .fmt-card__head { grid-template-columns: auto 1fr; }
    .fmt-card__badge { grid-column: 1 / -1; justify-self: start; }
}

.fmt-steps h3,
.fmt-rules h3,
.fmt-visual h3 {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--b2k-sage-dark);
    margin: 0 0 1rem;
}

.fmt-steps ol {
    margin: 0;
    padding: 0;
    list-style: none;
    counter-reset: fmt-step;
}

.fmt-steps li {
    counter-increment: fmt-step;
    position: relative;
    padding-left: 2.5rem;
    margin-bottom: 1rem;
    font-size: 0.9rem;
    line-height: 1.6;
    color: var(--b2k-ink);
}

.fmt-steps li::before {
    content: counter(fmt-step);
    position: absolute;
    left: 0;
    top: 0;
    width: 1.65rem;
    height: 1.65rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    font-weight: 700;
    background: var(--b2k-ink);
    color: var(--b2k-gold-bright);
    border-radius: var(--radius-cut);
}

.fmt-ideal {
    margin-top: 1.25rem;
    padding: 0.85rem 1rem;
    background: var(--b2k-surface);
    border-left: 3px solid var(--b2k-gold);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    font-size: 0.85rem;
    color: var(--b2k-ink-muted);
}

.fmt-ideal strong { color: var(--b2k-ink); }

.fmt-rules-grid {
    display: grid;
    gap: 0.5rem;
}

.fmt-rule-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.65rem 0.85rem;
    background: var(--b2k-surface);
    border: 1px solid var(--b2k-border);
    border-radius: var(--radius-cut);
    font-size: 0.88rem;
}

.fmt-rule-row span:last-child {
    font-family: var(--font-mono);
    font-weight: 700;
    color: var(--b2k-sage-dark);
}

.fmt-diagram {
    padding: 1.25rem;
    background: var(--b2k-surface);
    border: 1px dashed var(--b2k-border);
    border-radius: var(--radius-sm);
    min-height: 200px;
}

.fmt-rr-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 4px;
    font-family: var(--font-mono);
    font-size: 0.55rem;
    text-align: center;
}

.fmt-rr-cell {
    padding: 0.35rem 0.2rem;
    background: var(--b2k-white);
    border: 1px solid var(--b2k-border);
    border-radius: 2px;
    color: var(--b2k-ink-muted);
}

.fmt-rr-cell--head {
    background: var(--b2k-ink);
    color: var(--b2k-gold-bright);
    font-weight: 700;
}

.fmt-rr-cell--match {
    background: rgba(140, 158, 95, 0.15);
    color: var(--b2k-sage-dark);
    font-weight: 600;
}

.fmt-bracket {
    display: flex;
    gap: 0.75rem;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    padding: 0.5rem 0;
}

.fmt-bracket-col {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.fmt-bracket-slot {
    padding: 0.45rem 0.65rem;
    min-width: 72px;
    text-align: center;
    font-family: var(--font-mono);
    font-size: 0.62rem;
    font-weight: 600;
    background: var(--b2k-white);
    border: 1px solid var(--b2k-border);
    border-radius: var(--radius-cut);
}

.fmt-bracket-slot--win {
    border-color: var(--b2k-sage);
    background: rgba(140, 158, 95, 0.12);
    color: var(--b2k-sage-dark);
}

.fmt-bracket-slot--final {
    border-color: var(--b2k-gold);
    background: rgba(201, 162, 39, 0.12);
    color: var(--b2k-gold-dim);
}

.fmt-bracket-arrow {
    color: var(--b2k-ink-muted);
    font-size: 1rem;
}

.fmt-double {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.fmt-double-col h4 {
    font-family: var(--font-mono);
    font-size: 0.6rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    text-align: center;
    margin: 0 0 0.5rem;
    color: var(--b2k-ink-muted);
}

.fmt-diagram-caption {
    margin: 0.75rem 0 0;
    font-size: 0.75rem;
    color: var(--b2k-ink-muted);
    text-align: center;
    line-height: 1.5;
}

.fmt-cta {
    text-align: center;
    margin-top: 2.5rem;
    padding: 2rem;
    background: var(--b2k-ink);
    border-radius: var(--radius-md);
    color: rgba(255, 255, 255, 0.85);
}

.fmt-cta h2 {
    color: var(--b2k-white);
    margin: 0 0 0.5rem;
    font-size: 1.5rem;
}

.fmt-cta p {
    margin: 0 0 1.25rem;
    font-size: 0.92rem;
}

.fmt-cta .btn.btn-primary {
    background: var(--b2k-gold) !important;
    color: var(--b2k-ink) !important;
}

.fmt-cta .btn.btn-primary:hover {
    background: var(--b2k-gold-bright) !important;
    color: var(--b2k-ink) !important;
}

.fmt-cta .btn.btn-outline {
    color: var(--b2k-gold-bright) !important;
    border-color: rgba(255, 255, 255, 0.35) !important;
}

.fmt-cta .btn.btn-outline:hover {
    background: rgba(255, 255, 255, 0.12) !important;
    color: var(--b2k-white) !important;
}