.ctb-game {
    --ctb-red: #a5170c;
    --ctb-brown: #6f2f17;
    --ctb-ink: #4d2a19;
    --ctb-gold: #c89a4a;
    --ctb-cream: #f2e1b8;
    --ctb-paper: rgba(255, 247, 220, 0.86);
    --ctb-shadow: rgba(45, 24, 14, 0.28);
    color: var(--ctb-ink);
    font-family: Georgia, 'Times New Roman', serif;
    width: 100%;
    margin: 0 auto;
}

.ctb-game *,
.ctb-game *::before,
.ctb-game *::after {
    box-sizing: border-box;
}

.ctb-game button,
.ctb-game input {
    font: inherit;
}

.ctb-game-shell {
    position: relative;
    min-height: 720px;
    padding: clamp(28px, 4vw, 68px);
    background-image: linear-gradient(rgba(255,248,225,.05), rgba(255,248,225,.05)), var(--ctb-book-bg);
    background-size: 100% 100%;
    background-position: center;
    overflow: hidden;
    border-radius: 10px;
}

.ctb-screen {
    width: min(1180px, 100%);
    margin: 0 auto;
}

.ctb-setup-screen,
.ctb-result-screen {
    min-height: 590px;
    display: grid;
    align-content: center;
    gap: 28px;
    text-align: center;
}

.ctb-screen[hidden],
.ctb-modal[hidden],
.ctb-fact-example[hidden],
.ctb-fact-actions button[hidden] {
    display: none !important;
}

.ctb-kicker {
    margin: 0 0 8px;
    color: var(--ctb-red);
    font-weight: 700;
    letter-spacing: .06em;
    text-transform: uppercase;
}

.ctb-game h2,
.ctb-game h3 {
    color: var(--ctb-red);
    font-family: Georgia, 'Times New Roman', serif;
}

.ctb-game h2 {
    margin: 0;
    font-size: clamp(38px, 6vw, 76px);
    line-height: 1.02;
}

.ctb-lead {
    margin: 12px auto 0;
    max-width: 720px;
    font-size: clamp(18px, 2vw, 26px);
}

.ctb-rules {
    max-width: 820px;
    margin: 24px auto 0;
    padding: 16px 20px;
    background: rgba(255, 247, 220, .72);
    border: 1px solid rgba(111,47,23,.24);
    border-radius: 14px;
    box-shadow: 0 10px 24px var(--ctb-shadow);
}

.ctb-rules p {
    margin: 0;
    font-size: 17px;
    line-height: 1.55;
}

.ctb-team-form {
    width: min(760px, 100%);
    margin: 0 auto;
}

.ctb-team-fields {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
    margin-bottom: 20px;
}

.ctb-team-fields label {
    display: grid;
    gap: 8px;
    text-align: left;
    font-weight: 700;
}

.ctb-team-input {
    width: 100%;
    min-height: 48px;
    padding: 10px 14px;
    border: 1px solid rgba(111,47,23,.35);
    border-radius: 10px;
    background: rgba(255, 250, 232, .9);
    color: var(--ctb-ink);
    font-size: 18px;
    outline: none;
}

.ctb-team-input:focus {
    border-color: var(--ctb-red);
    box-shadow: 0 0 0 3px rgba(165, 23, 12, .14);
}

.ctb-primary-btn,
.ctb-secondary-btn {
    min-height: 46px;
    padding: 11px 22px;
    border-radius: 10px;
    cursor: pointer;
    font-weight: 700;
    transition: transform .16s ease, box-shadow .16s ease, background .16s ease;
}

.ctb-primary-btn {
    border: 1px solid #7f1008;
    background: linear-gradient(#b3261a, #8e150d);
    color: #fff8e8;
    box-shadow: 0 7px 16px rgba(80,20,10,.24);
}

.ctb-secondary-btn {
    border: 1px solid rgba(111,47,23,.38);
    background: rgba(255, 247, 220, .9);
    color: var(--ctb-brown);
}

.ctb-primary-btn:hover,
.ctb-secondary-btn:hover {
    transform: translateY(-1px);
}

.ctb-primary-btn:focus-visible,
.ctb-secondary-btn:focus-visible,
.ctb-card:focus-visible {
    outline: 3px solid #1e6fd9;
    outline-offset: 3px;
}

.ctb-topbar {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
    align-items: stretch;
    gap: 14px;
    margin-bottom: 22px;
}

.ctb-score,
.ctb-turn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    min-height: 64px;
    padding: 10px 16px;
    border: 1px solid rgba(111,47,23,.28);
    border-radius: 14px;
    background: var(--ctb-paper);
    box-shadow: 0 7px 18px var(--ctb-shadow);
}

.ctb-score {
    justify-content: space-between;
    transition: border-color .2s ease, transform .2s ease;
}

.ctb-score.is-active {
    border-color: var(--ctb-red);
    transform: translateY(-2px);
}

.ctb-score-name,
.ctb-turn-name {
    font-weight: 700;
}

.ctb-score-value {
    display: grid;
    place-items: center;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: var(--ctb-red);
    color: #fff8e8;
    font-size: 22px;
}

.ctb-turn {
    flex-direction: column;
    gap: 0;
    padding-inline: 24px;
}

.ctb-turn span {
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: .08em;
    opacity: .72;
}

.ctb-turn-name {
    color: var(--ctb-red);
    font-size: 18px;
}

.ctb-board {
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: clamp(10px, 1.4vw, 18px);
}

.ctb-card {
    position: relative;
    aspect-ratio: 3 / 4;
    min-width: 0;
    padding: 0;
    border: 0;
    background: transparent;
    perspective: 1000px;
    cursor: pointer;
}

.ctb-card-inner {
    position: absolute;
    inset: 0;
    transform-style: preserve-3d;
    transition: transform .5s ease;
}

.ctb-card.is-flipped .ctb-card-inner {
    transform: rotateY(180deg);
}

.ctb-card-face {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    backface-visibility: hidden;
    overflow: hidden;
    border: 2px solid #7e431f;
    border-radius: 12px;
    box-shadow: 0 8px 18px rgba(60,32,14,.25);
}

.ctb-card-back {
    flex-direction: column;
    gap: 8px;
    background:
        radial-gradient(circle at 30% 20%, rgba(255,255,255,.18), transparent 28%),
        linear-gradient(145deg, #7f1d14, #3e180e);
    color: #f6e4b7;
}

.ctb-card-mark {
    display: grid;
    place-items: center;
    width: 54px;
    height: 54px;
    border: 2px solid rgba(246,228,183,.8);
    border-radius: 50%;
    font-size: 34px;
    font-weight: 700;
}

.ctb-card-back-text {
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: .08em;
}

.ctb-card-front {
    transform: rotateY(180deg);
    background: #f4e8c7;
}

.ctb-card-front::after {
    content: '';
    position: absolute;
    inset: 6px;
    border: 1px solid rgba(111,47,23,.28);
    border-radius: 8px;
    pointer-events: none;
}

.ctb-card-front img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: sepia(.08) saturate(.92);
}

.ctb-name-card {
    position: relative;
    z-index: 1;
    padding: 14px;
    color: var(--ctb-red);
    font-size: clamp(16px, 1.5vw, 24px);
    font-weight: 700;
    line-height: 1.15;
    text-align: center;
}

.ctb-card.is-matched .ctb-card-face {
    border-color: #987326;
    box-shadow: 0 0 0 3px rgba(200,154,74,.3), 0 8px 18px rgba(60,32,14,.2);
}

.ctb-card:disabled {
    cursor: default;
}

.ctb-play-actions {
    display: flex;
    justify-content: center;
    margin-top: 22px;
}

.ctb-modal {
    position: fixed;
    inset: 0;
    z-index: 999999;
    display: grid;
    place-items: center;
    padding: 20px;
}

.ctb-modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(24, 13, 8, .72);
}

.ctb-modal-card {
    position: relative;
    width: min(620px, 100%);
    padding: clamp(24px, 4vw, 40px);
    border: 3px solid #7e431f;
    border-radius: 16px;
    background: #f3e4bd;
    box-shadow: 0 28px 70px rgba(0,0,0,.42);
    text-align: center;
}

.ctb-modal-card::before {
    content: '';
    position: absolute;
    inset: 8px;
    border: 1px solid rgba(111,47,23,.25);
    border-radius: 11px;
    pointer-events: none;
}

.ctb-fact-name {
    position: relative;
    margin: 4px 0 12px;
    font-size: clamp(30px, 5vw, 48px);
}

.ctb-fact-question {
    position: relative;
    margin: 0;
    font-size: 20px;
    font-weight: 700;
}

.ctb-fact-team {
    position: relative;
    margin: 8px 0 20px;
}

.ctb-fact-actions {
    position: relative;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 12px;
}

.ctb-fact-example {
    position: relative;
    margin-top: 18px;
    padding-top: 18px;
    border-top: 1px solid rgba(111,47,23,.25);
}

.ctb-fact-example p {
    margin: 8px 0 18px;
    font-size: 17px;
    line-height: 1.5;
}

.ctb-result-subtitle {
    margin: 0;
    font-size: 20px;
}

.ctb-final-scores {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
    width: min(720px, 100%);
    margin: 0 auto;
}

.ctb-final-team {
    display: grid;
    gap: 4px;
    padding: 24px;
    background: rgba(255,247,220,.78);
    border: 1px solid rgba(111,47,23,.28);
    border-radius: 14px;
    box-shadow: 0 10px 24px var(--ctb-shadow);
}

.ctb-final-name {
    font-size: 20px;
    font-weight: 700;
}

.ctb-final-points {
    color: var(--ctb-red);
    font-size: 54px;
    line-height: 1;
}

.ctb-final-team small {
    font-size: 14px;
}

.ctb-status {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
}

@media (max-width: 1050px) {
    .ctb-board {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }

    .ctb-game-shell {
        background-size: cover;
    }
}

@media (max-width: 720px) {
    .ctb-game-shell {
        min-height: 0;
        padding: 24px 14px 30px;
        background: #efe0b8;
        border-radius: 0;
    }

    .ctb-team-fields,
    .ctb-final-scores {
        grid-template-columns: 1fr;
    }

    .ctb-topbar {
        grid-template-columns: 1fr 1fr;
    }

    .ctb-turn {
        grid-column: 1 / -1;
        grid-row: 1;
        min-height: 52px;
    }

    .ctb-score-0,
    .ctb-score-1 {
        grid-row: 2;
    }

    .ctb-board {
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 9px;
    }

    .ctb-card-face {
        border-radius: 9px;
    }

    .ctb-card-mark {
        width: 42px;
        height: 42px;
        font-size: 27px;
    }

    .ctb-card-back-text {
        font-size: 10px;
    }

    .ctb-name-card {
        padding: 8px;
        font-size: 14px;
    }
}

@media (max-width: 420px) {
    .ctb-board {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .ctb-score,
    .ctb-turn {
        padding: 8px 10px;
    }

    .ctb-score-name {
        font-size: 13px;
    }

    .ctb-score-value {
        width: 34px;
        height: 34px;
        font-size: 18px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .ctb-card-inner,
    .ctb-primary-btn,
    .ctb-secondary-btn,
    .ctb-score {
        transition: none !important;
    }
}