@font-face {
    font-family: "Primeiro Ciclo Local";
    src: url("../fonts/Primeiro-Ciclo.ttf") format("truetype");
    font-display: swap;
}

html:has(.trace-page),
body:has(.trace-page) {
    overflow-x: clip;
}

.trace-page {
    padding: 18px 0 42px;
}

.trace-page__topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    margin-bottom: 10px;
}

.trace-page__topbar .eyebrow { margin: 0; }
.trace-shell [hidden] { display: none !important; }

.trace-start {
    display: grid;
    min-height: clamp(650px, calc(100dvh - 150px), 850px);
    grid-template-columns: minmax(290px, .9fr) minmax(0, 1.25fr);
    overflow: hidden;
    border: 1px solid rgba(103, 163, 235, .3);
    border-radius: 22px;
    background: #f8cf74;
    box-shadow: 0 22px 54px rgba(55, 88, 153, .16);
}

.trace-start__visual {
    position: relative;
    min-height: 290px;
    overflow: hidden;
    background: #f2c46a;
}

.trace-start__visual::after {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(12, 41, 77, .02), rgba(12, 41, 77, .3));
    content: "";
}

.trace-start__visual img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.trace-start__visual-note {
    position: absolute;
    z-index: 1;
    right: 18px;
    bottom: 18px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 11px;
    border: 1px solid rgba(255, 255, 255, .65);
    border-radius: 6px;
    background: rgba(16, 52, 105, .78);
    color: #fff;
    font-size: .75rem;
    font-weight: 800;
}

.trace-start__content {
    display: flex;
    min-width: 0;
    flex-direction: column;
    justify-content: center;
    padding: clamp(24px, 3.2vw, 48px);
    background: rgba(255, 255, 255, .92);
}

[data-theme="dark"] .trace-start__content {
    background: rgba(12, 26, 58, .94);
}

.trace-start__brand {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--color-muted);
    font-size: .78rem;
    font-weight: 800;
}

.trace-start__brand-icon {
    display: inline-grid;
    width: 34px;
    height: 34px;
    place-items: center;
    border-radius: 6px;
    background: var(--color-primary);
    color: #fff;
}

.trace-start h1 {
    margin: 11px 0 0;
    color: var(--color-ink);
    font-size: clamp(2.45rem, 5vw, 4.8rem);
    letter-spacing: -.065em;
    line-height: .95;
}

.trace-start__intro {
    max-width: 650px;
    margin: 10px 0 14px;
    color: var(--color-muted);
    font-size: 1rem;
    line-height: 1.45;
}

.trace-instructions {
    display: flex;
    align-items: flex-start;
    gap: 9px;
    margin-bottom: 14px;
    padding: 10px 12px;
    border: 1px solid rgba(37, 112, 206, .22);
    border-radius: 6px;
    background: rgba(226, 240, 255, .72);
    color: #21446d;
    font-size: .78rem;
    line-height: 1.4;
}

[data-theme="dark"] .trace-instructions {
    border-color: rgba(132, 188, 246, .25);
    background: rgba(23, 62, 112, .58);
    color: #d9eaff;
}

.trace-instructions i {
    flex: 0 0 auto;
    color: var(--color-primary);
    font-size: 1rem;
}

.trace-instructions p { margin: 0; }

.trace-letter-selection {
    min-width: 0;
    margin: 0;
    padding: 0;
    border: 0;
}

.trace-letter-selection legend {
    margin-bottom: 5px;
    color: var(--color-ink);
    font-size: .92rem;
    font-weight: 900;
}

.trace-letter-selection__hint {
    margin: 0 0 10px;
    color: var(--color-muted);
    font-size: .74rem;
    line-height: 1.35;
}

.trace-category-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin: 0 0 10px;
}

.trace-category-tab {
    display: inline-flex;
    min-height: 38px;
    align-items: center;
    padding: 6px 10px;
    border: 1px solid var(--color-line);
    border-radius: 6px;
    background: var(--color-surface);
    color: var(--color-muted);
    cursor: pointer;
    font-size: .74rem;
    font-weight: 800;
    line-height: 1.15;
    transition: background .15s ease, border-color .15s ease, color .15s ease, transform .15s ease;
}

.trace-category-tab:hover,
.trace-category-tab:focus-visible {
    border-color: var(--color-primary);
    color: var(--color-primary);
    outline: 2px solid color-mix(in srgb, var(--color-primary) 22%, transparent);
    outline-offset: 1px;
    transform: translateY(-1px);
}

.trace-category-tab.is-selected {
    border-color: var(--color-primary);
    background: var(--color-primary);
    color: #fff;
}

.trace-category-panel[hidden] {
    display: none !important;
}

.trace-letter-groups {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}

.trace-letter-group {
    min-width: 0;
    padding: 10px;
    border: 1px solid var(--color-line);
    border-radius: 6px;
    background: color-mix(in srgb, var(--color-surface-soft) 78%, transparent);
}

.trace-letter-group h2,
.trace-letter-group h3 {
    display: flex;
    align-items: center;
    gap: 6px;
    margin: 0 0 8px;
    color: var(--color-ink);
    font-size: .77rem;
}

.trace-letter-group h2 i,
.trace-letter-group h3 i { color: var(--color-primary); }

.trace-letter-badges {
    display: grid;
    grid-template-columns: repeat(7, minmax(0, 1fr));
    gap: 5px;
}

.trace-letter-button {
    display: grid;
    min-width: 0;
    min-height: 31px;
    place-items: center;
    padding: 3px;
    border: 1px solid var(--color-line);
    border-radius: 6px;
    background: var(--color-surface);
    color: var(--color-ink);
    cursor: pointer;
    font-family: "Primeiro Ciclo Local", Georgia, serif;
    font-size: 1.15rem;
    line-height: 1;
    transition: transform .15s ease, border-color .15s ease, background .15s ease, color .15s ease;
}

.trace-letter-button:hover,
.trace-letter-button:focus-visible {
    border-color: var(--color-primary);
    outline: 2px solid color-mix(in srgb, var(--color-primary) 22%, transparent);
    outline-offset: 1px;
    transform: translateY(-1px);
}

.trace-letter-button.is-selected {
    border-color: var(--color-primary);
    background: var(--color-primary);
    color: #fff;
    box-shadow: 0 0 0 2px color-mix(in srgb, var(--color-primary) 20%, transparent);
}

.trace-letter-button:disabled,
.trace-letter-button:disabled:hover,
.trace-letter-button:disabled:focus-visible {
    cursor: not-allowed;
    opacity: .45;
    outline: none;
    transform: none;
}

.trace-letter-selection__status {
    min-height: 18px;
    margin: 8px 0 0;
    color: var(--color-primary);
    font-size: .75rem;
    font-weight: 800;
}

.trace-start__actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin-top: 16px;
}

.trace-config {
    min-height: clamp(560px, calc(100dvh - 150px), 760px);
    padding: clamp(24px, 4vw, 54px);
    border: 1px solid rgba(103, 163, 235, .3);
    border-radius: 22px;
    background: var(--color-surface);
    box-shadow: 0 22px 54px rgba(55, 88, 153, .16);
}

.trace-config__header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 18px;
    margin-bottom: 18px;
}

.trace-config__header h2 {
    margin: 0;
    color: var(--color-ink);
    font-size: clamp(2rem, 4vw, 3.2rem);
    letter-spacing: -.045em;
    line-height: 1;
}

.trace-config__header p:not(.eyebrow) {
    max-width: 680px;
    margin: 8px 0 0;
    color: var(--color-muted);
    font-size: .95rem;
    line-height: 1.45;
}

.trace-config__badge {
    display: inline-flex;
    flex: 0 0 auto;
    align-items: center;
    gap: 7px;
    padding: 8px 10px;
    border: 1px solid rgba(38, 108, 205, .28);
    border-radius: 6px;
    background: rgba(225, 239, 255, .75);
    color: var(--color-primary);
    font-size: .75rem;
    font-weight: 900;
}

[data-theme="dark"] .trace-config__badge {
    border-color: rgba(132, 188, 246, .25);
    background: rgba(23, 62, 112, .58);
}

.trace-config__actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin-top: 22px;
}

.trace-play {
    min-height: calc(100dvh - 150px);
    padding: 12px;
    border: 1px solid rgba(103, 163, 235, .34);
    border-radius: 12px;
    background: #e8f0fa;
    box-shadow: 0 22px 54px rgba(55, 88, 153, .16);
}

[data-theme="dark"] .trace-play { background: #0f2343; }

.trace-play__toolbar {
    position: sticky;
    z-index: 10;
    top: 8px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 12px;
    padding: 12px 14px;
    border: 1px solid rgba(40, 98, 159, .22);
    border-radius: 6px;
    background: color-mix(in srgb, var(--color-surface) 94%, transparent);
    box-shadow: 0 8px 22px rgba(26, 66, 119, .15);
    backdrop-filter: blur(8px);
}

.trace-play__heading { min-width: 0; }
.trace-play__heading .eyebrow { margin: 0 0 2px; font-size: .63rem; }
.trace-play__heading h2 { margin: 0; color: var(--color-ink); font-size: 1.16rem; }
.trace-play__heading p { margin: 2px 0 0; color: var(--color-muted); font-size: .72rem; }
.trace-play__actions { display: flex; flex-wrap: wrap; align-items: center; justify-content: flex-end; gap: 6px; margin-left: auto; }
.trace-play__actions .button { min-height: 34px; padding: 7px 10px; border-radius: 6px; font-size: .73rem; }

.trace-board-frame {
    height: min(76vh, 900px);
    min-height: 500px;
    overflow: hidden;
    border: 1px solid rgba(70, 121, 169, .3);
    border-radius: 8px;
    background: #f8f4e8;
    box-shadow: inset 0 0 0 7px rgba(255, 255, 255, .24);
}

.trace-board {
    --trace-section-count: 1;
    display: grid;
    height: 100%;
    min-height: 0;
    grid-template-rows: repeat(var(--trace-section-count), minmax(0, 1fr));
    background-color: #fffdf4;
    background-image: linear-gradient(rgba(255, 253, 244, .86), rgba(255, 253, 244, .86)), url("../images/games/copia-magica/caderno-linhas.png");
    background-position: center;
    background-size: cover;
    user-select: none;
}

.trace-board * { user-select: none; }

.trace-lane {
    position: relative;
    display: grid;
    box-sizing: border-box;
    min-height: 0;
    overflow: hidden;
    grid-template-rows: 24px repeat(var(--trace-row-count, 5), minmax(0, 1fr));
    padding: 7px 4% 7px 11%;
    border-bottom: 1px solid rgba(71, 122, 171, .2);
    background: linear-gradient(to right, transparent 0, transparent calc(7% - 1px), rgba(220, 105, 119, .78) calc(7% - 1px), rgba(220, 105, 119, .78) calc(7% + 1px), transparent calc(7% + 1px));
}

.trace-lane:last-child { border-bottom: 0; }

.trace-lane__heading {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    color: #2b527e;
    font-size: .78rem;
    font-weight: 900;
}

.trace-lane__heading small {
    color: #6785a0;
    font-size: .64rem;
    font-weight: 700;
}

.trace-row {
    position: relative;
    display: flex;
    min-height: 0;
    align-items: flex-end;
    border-bottom: 2px solid rgba(91, 158, 209, .58);
}

.trace-row__guide {
    display: block;
    width: 100%;
    overflow: visible;
    align-self: flex-end;
    padding-bottom: 0;
    color: transparent;
    font-family: "Primeiro Ciclo Local", Georgia, serif;
    font-size: clamp(4.2rem, 8vw, 8rem);
    line-height: .68;
    letter-spacing: .02em;
    white-space: pre;
    transform: translateY(15px);
    background-image: radial-gradient(circle, rgba(74, 101, 133, .88) 0 .9px, transparent 1.2px);
    background-position: 0 35%;
    background-size: 3px 3px;
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Com várias letras, cada modelo recebe menos altura. Mantém-se a escala
   original para uma letra e evita-se que ascendentes/descendentes invadam a
   linha seguinte nas escolhas múltiplas. */
.trace-board--multi .trace-lane {
    grid-template-rows: 20px repeat(var(--trace-row-count, 5), minmax(0, 1fr));
    padding-top: 5px;
    padding-bottom: 5px;
}

.trace-board--multi .trace-row {
    overflow: visible;
}

.trace-board--multi .trace-row__guide {
    font-size: clamp(2.7rem, 5.7vw, 5.5rem);
    line-height: .78;
    transform: translateY(13px);
    background-position: 0 42%;
}

.trace-board--multi .trace-row--descender {
    overflow: visible;
}

/* Quando a divisão deixa uma única linha para a última letra, começa-a no
   topo da faixa para não ficar artificialmente encostada ao fundo do quadro. */
.trace-board--multi .trace-lane--single-row {
    grid-template-rows: 20px minmax(0, 50%);
    align-content: start;
}

.trace-row__canvas {
    position: absolute;
    z-index: 2;
    inset: 0;
    display: block;
    width: 100%;
    height: 100%;
    cursor: crosshair;
    touch-action: none;
}

.trace-play__help {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    margin: 10px 0 0;
    color: var(--color-muted);
    font-size: .75rem;
    text-align: center;
}

.trace-play__help i { color: var(--color-primary); }

/* A configuração fica dentro do hero e mantém apenas as duas linhas de badges. */
.trace-config--inline {
    min-height: 0;
    margin: 18px 0 0;
    padding: 0;
    border: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
}

.trace-config--inline .trace-letter-groups {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.trace-config--inline .trace-category-tabs {
    margin-bottom: 8px;
}

.trace-config--inline .trace-category-tab {
    min-height: 38px;
    padding: 8px 14px;
    font-size: .8rem;
}

.trace-config--inline .trace-category-panel .trace-letter-group--single {
    padding: 0;
    border: 0;
    border-radius: 0;
    background: transparent;
}

.trace-config--inline .trace-category-panel .trace-letter-group--single .trace-letter-badges {
    grid-template-columns: repeat(8, minmax(0, 1fr));
}

.trace-config--inline .trace-letter-group {
    display: block;
    padding: 0;
    border: 0;
    border-radius: 0;
    background: transparent;
}

.trace-config--inline .trace-letter-group h3 {
    margin: 0 0 3px;
    font-size: .7rem;
    white-space: nowrap;
}

.trace-config--inline .trace-letter-badges {
    display: grid;
    grid-template-columns: repeat(13, minmax(0, 1fr));
    gap: 4px;
}

.trace-config--inline .trace-letter-button {
    min-width: 0;
    min-height: 43px;
    padding: 3px 2px;
    border-radius: 4px;
    font-size: 1.8rem;
    line-height: 1;
}

.trace-config--inline .trace-letter-selection__status {
    margin: 6px 0 0;
    font-size: .7rem;
}

@media (max-width: 900px) {
    .trace-config--inline .trace-letter-badges {
        display: flex;
        flex-wrap: nowrap;
        gap: 4px;
        overflow-x: auto;
        padding-bottom: 3px;
    }

    .trace-config--inline .trace-letter-button {
        flex: 0 0 36px;
        min-width: 36px;
        min-height: 42px;
        font-size: 1.7rem;
    }
}

@media (max-width: 600px) {
    .trace-config--inline .trace-letter-badges {
        gap: 3px;
    }

    .trace-config--inline .trace-letter-button {
        min-height: 38px;
        font-size: 1.45rem;
    }

    .trace-config--inline .trace-letter-selection__status {
        margin-left: 0;
    }
}

.trace-shell:fullscreen {
    width: 100vw;
    min-height: 100vh;
    overflow: auto;
    background: #e8f0fa;
}

.trace-shell:fullscreen .trace-play {
    min-height: 100vh;
    border: 0;
    border-radius: 0;
}

.trace-shell:fullscreen .trace-board-frame { height: calc(100vh - 122px); }

@media (max-width: 900px) {
    .trace-start { grid-template-columns: 1fr; }
    .trace-start__visual { min-height: 250px; max-height: 330px; }
    .trace-start__content { padding: 24px; }
    .trace-config__header { flex-direction: column; }
    .trace-play__toolbar { align-items: flex-start; flex-direction: column; }
    .trace-play__actions { width: 100%; justify-content: flex-end; }
}

@media (max-width: 600px) {
    .trace-page { padding-block: 20px 34px; }
    .trace-page__topbar { align-items: flex-start; flex-direction: column; }
    .trace-start__visual { min-height: 210px; }
    .trace-start h1 { font-size: clamp(2.45rem, 15vw, 4rem); }
    .trace-start__content { padding: 20px; }
    .trace-config { padding: 20px; }
    .trace-config__actions { align-items: stretch; flex-direction: column-reverse; }
    .trace-config__actions .button { justify-content: center; }
    .trace-letter-groups { grid-template-columns: 1fr; }
    .trace-letter-badges { grid-template-columns: repeat(9, minmax(0, 1fr)); gap: 4px; }
    .trace-letter-button { min-height: 29px; font-size: 1rem; }
    .trace-start__actions { align-items: stretch; flex-direction: column-reverse; }
    .trace-start__actions .button { justify-content: center; }
    .trace-play { padding: 7px; }
    .trace-play__actions .button { flex: 1 1 calc(50% - 6px); justify-content: center; }
    .trace-board-frame { min-height: 540px; height: 70vh; }
    .trace-lane { padding-left: 13%; }
    .trace-row__guide { font-size: clamp(3.2rem, 18vw, 6rem); }
    .trace-board--multi .trace-row__guide {
        font-size: clamp(2.3rem, 8.5vw, 4.2rem);
        line-height: .8;
        transform: translateY(10px);
    }
}