:root {
    --trivia-math: #5fe7ff;
    --trivia-neutral: #a78bfa;
    --trivia-pink: #fb7185;
    --trivia-lime: #a3e635;
}

.trivia-page {
    width: min(100% - 32px, 1180px);
    margin: 0 auto;
    padding: 28px 0 76px;
}

.trivia-hero {
    padding: 24px 0 30px;
}

.trivia-eyebrow,
.panel-label {
    color: var(--muted);
    font-size: 0.72rem;
    font-weight: 850;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.trivia-eyebrow::before,
.panel-label::before {
    content: "•";
    color: var(--accent);
    margin-right: 8px;
}

.trivia-hero h1 {
    margin: 9px 0 14px;
    font-size: clamp(2.8rem, 7vw, 5.8rem);
    line-height: 0.95;
    letter-spacing: -0.055em;
}

.trivia-hero p {
    max-width: 760px;
    margin: 0;
    color: var(--muted);
    font-size: 1.05rem;
    line-height: 1.65;
}

.trivia-layout {
    display: grid;
    grid-template-columns: minmax(220px, 0.28fr) minmax(0, 1fr);
    gap: 18px;
    align-items: start;
}

.trivia-sidebar {
    display: grid;
    gap: 14px;
    position: sticky;
    top: 92px;
}

.trivia-panel,
.trivia-main-panel,
.board-shell,
.question-container,
.result-card {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface);
    box-shadow: 0 20px 60px var(--shadow);
}

.trivia-panel {
    padding: 18px;
}

.timer {
    margin-top: 9px;
    font-size: 1.8rem;
    font-weight: 900;
    color: var(--accent);
    letter-spacing: -0.03em;
}

.panel-note,
.trivia-rules p {
    color: var(--muted);
    line-height: 1.55;
}

.panel-note {
    margin: 8px 0 0;
}

.trivia-rules p {
    margin: 10px 0 0;
}

.trivia-main-panel {
    display: grid;
    gap: 16px;
    padding: 16px;
}

.question-container {
    padding: 20px;
    text-align: center;
    background: var(--surface-strong);
}

#question-text {
    max-width: 780px;
    margin: 14px auto 0;
    font-size: clamp(1.3rem, 2.5vw, 2rem);
    font-weight: 800;
    line-height: 1.35;
}

.answer-buttons {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    max-width: 760px;
    margin: 18px auto 0;
}

.answer {
    min-height: 52px;
    margin: 0;
    padding: 12px 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface);
    color: var(--text);
    font: inherit;
    font-weight: 750;
    cursor: pointer;
    transition: transform 0.16s ease, background 0.16s ease, border-color 0.16s ease;
}

.answer:hover {
    transform: translateY(-1px);
    background: var(--bg-soft);
    border-color: var(--border-strong);
}

.board-shell {
    padding: 20px;
}

.board-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    margin-bottom: 18px;
}

.board-header h2 {
    margin: 8px 0 0;
    font-size: 1.5rem;
}

.board-status {
    padding: 7px 10px;
    border: 1px solid var(--border);
    border-radius: 999px;
    background: var(--surface-strong);
    color: var(--muted);
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.08em;
}

#game-board {
    display: grid;
    grid-template-columns: repeat(7, minmax(68px, 1fr));
    gap: 8px;
    max-width: 780px;
    margin: 0 auto;
}

.square {
    min-width: 0;
    aspect-ratio: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface-strong);
    color: var(--text);
    font-size: 0.82rem;
    font-weight: 850;
    cursor: pointer;
    box-sizing: border-box;
    transition: transform 0.16s ease, border-color 0.16s ease, box-shadow 0.16s ease;
}

.square:hover {
    transform: translateY(-2px);
    border-color: var(--border-strong);
}

.square[data-theme="math"] {
    background: color-mix(in srgb, var(--trivia-math) 14%, var(--surface-strong));
    border-color: color-mix(in srgb, var(--trivia-math) 30%, var(--border));
}

.square[data-theme="history"] {
    background: color-mix(in srgb, #c89b6b 12%, var(--surface-strong));
    border-color: color-mix(in srgb, #c89b6b 30%, var(--border));
}

.square[data-theme="fun"],
.square[data-theme="serialy"],
.square[data-theme="aktualni_udalosti"],
.square[data-theme="nove_technologie"],
.square[data-theme="elektronika"],
.square[data-theme="hry"] {
    background: color-mix(in srgb, var(--trivia-pink) 11%, var(--surface-strong));
    border-color: color-mix(in srgb, var(--trivia-pink) 26%, var(--border));
}

.square[data-theme="mista_cinu"] {
    background: color-mix(in srgb, var(--trivia-lime) 11%, var(--surface-strong));
    border-color: color-mix(in srgb, var(--trivia-lime) 27%, var(--border));
}

.square.start {
    background: color-mix(in srgb, var(--accent) 18%, var(--surface-strong));
    border-color: color-mix(in srgb, var(--accent) 52%, var(--border));
    color: var(--accent);
}

.square.goal {
    background: color-mix(in srgb, #fb7185 16%, var(--surface-strong));
    border-color: color-mix(in srgb, #fb7185 45%, var(--border));
    color: #fb7185;
}

.square.active {
    border-color: var(--accent);
    box-shadow: 0 0 0 2px color-mix(in srgb, var(--accent) 20%, transparent), 0 0 24px var(--glow);
    transform: translateY(-2px);
}

.result-card {
    display: none;
    padding: 26px;
    text-align: center;
    background: var(--surface-strong);
}

#result p.success {
    margin: 10px 0;
    color: var(--accent);
    font-size: clamp(1.8rem, 4vw, 2.6rem);
    font-weight: 900;
}

#result p.details {
    margin: 0 auto;
    color: var(--muted);
    font-size: 1rem;
    line-height: 1.7;
}

#result .highlight {
    color: var(--text);
    font-weight: 900;
}

#result-buttons {
    display: flex;
    justify-content: center;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 24px;
}

.btn {
    min-height: 44px;
    padding: 10px 16px;
    border: 1px solid transparent;
    border-radius: var(--radius);
    background: var(--accent);
    color: #031014;
    font: inherit;
    font-weight: 850;
    cursor: pointer;
    transition: transform 0.16s ease, background 0.16s ease, border-color 0.16s ease;
}

.btn:hover {
    transform: translateY(-1px);
    background: var(--accent-strong);
}

.btn-restart {
    background: var(--surface);
    color: var(--text);
    border-color: var(--border);
}

.btn-restart:hover {
    background: var(--bg-soft);
    border-color: var(--border-strong);
}

.btn-download {
    background: color-mix(in srgb, var(--accent) 78%, var(--surface));
}

@media (max-width: 900px) {
    .trivia-layout {
        grid-template-columns: 1fr;
    }

    .trivia-sidebar {
        position: static;
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 700px) {
    .trivia-page {
        width: min(100% - 20px, 1180px);
        padding-top: 18px;
    }

    .trivia-hero h1 {
        font-size: clamp(2.6rem, 15vw, 4.2rem);
    }

    .trivia-sidebar {
        grid-template-columns: 1fr;
    }

    .trivia-main-panel,
    .board-shell,
    .question-container,
    .result-card {
        padding: 16px;
    }

    .answer-buttons {
        grid-template-columns: 1fr;
    }

    .board-header {
        align-items: flex-start;
        flex-direction: column;
    }

    #game-board {
        grid-template-columns: repeat(5, minmax(52px, 1fr));
        gap: 6px;
    }

    .square {
        font-size: 0.72rem;
    }

    #result-buttons {
        flex-direction: column;
        align-items: center;
    }

    #result-buttons .btn {
        width: min(260px, 100%);
    }
}