:root {
    --bq-red: #e21b3c;
    --bq-blue: #1368ce;
    --bq-yellow: #d89e00;
    --bq-green: #26890c;
    --bq-purple: #46178f;
    --bq-dark: #0e0e2c;
    --bq-dark-2: #17174a;
    --bq-ink: #ffffff;
}

* { box-sizing: border-box; }

html, body {
    height: 100%;
}

body.bq-page {
    margin: 0;
    min-height: 100vh;
    background: radial-gradient(circle at top, var(--bq-dark-2), var(--bq-dark) 70%);
    color: var(--bq-ink);
    font-family: "Segoe UI", Verdana, Tahoma, sans-serif;
    display: flex;
    flex-direction: column;
}

.bq-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    width: 100%;
}

.bq-screen { display: none; width: 100%; max-width: 1200px; text-align: center; }
.bq-screen.active { display: flex; flex-direction: column; align-items: center; gap: 1rem; }

.bq-brand {
    position: fixed;
    top: 0.75rem;
    left: 1rem;
    font-weight: 700;
    opacity: 0.75;
    letter-spacing: 0.02em;
    font-size: 1rem;
}

.bq-code-badge {
    background: #fff;
    color: var(--bq-dark);
    font-weight: 800;
    font-size: clamp(1.75rem, 6vw, 4rem);
    letter-spacing: 0.15em;
    padding: 0.5rem 1.25rem;
    border-radius: 0.75rem;
    display: inline-block;
}

.bq-muted { opacity: 0.75; }

.bq-btn {
    font-family: inherit;
    border: none;
    border-radius: 0.6rem;
    padding: 0.9rem 1.75rem;
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    color: #fff;
    background: var(--bq-purple);
    transition: transform 0.08s ease, filter 0.15s ease;
}
.bq-btn:hover { filter: brightness(1.1); }
.bq-btn:active { transform: scale(0.97); }
.bq-btn:disabled { opacity: 0.5; cursor: not-allowed; }
.bq-btn-secondary { background: #444; }
.bq-btn-danger { background: var(--bq-red); }

.bq-input {
    font-family: inherit;
    font-size: 1.2rem;
    padding: 0.75rem 1rem;
    border-radius: 0.6rem;
    border: none;
    text-align: center;
    width: 100%;
    max-width: 320px;
}

.bq-form-row { display: flex; flex-direction: column; gap: 0.75rem; align-items: center; width: 100%; }

.bq-error {
    background: var(--bq-red);
    color: #fff;
    padding: 0.6rem 1rem;
    border-radius: 0.5rem;
    display: none;
    max-width: 480px;
}
.bq-error.show { display: block; }

/* ---------- countdown ---------- */

.bq-timer-bar {
    width: 100%;
    max-width: 700px;
    height: 0.75rem;
    background: rgba(255,255,255,0.15);
    border-radius: 1rem;
    overflow: hidden;
}
.bq-timer-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--bq-green), var(--bq-yellow), var(--bq-red));
    width: 100%;
    transition: width 0.1s linear;
}

.bq-timer-ring {
    width: 5.5rem;
    height: 5.5rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    font-weight: 800;
    background: conic-gradient(var(--bq-green) 0deg, rgba(255,255,255,0.15) 0deg);
    position: relative;
}
.bq-timer-ring::after {
    content: "";
    position: absolute;
    inset: 0.4rem;
    border-radius: 50%;
    background: var(--bq-dark);
}
.bq-timer-ring span { position: relative; z-index: 1; }

/* ---------- question / answers ---------- */

.bq-question-text {
    font-size: clamp(1.4rem, 4vw, 2.6rem);
    font-weight: 800;
    max-width: 1000px;
    line-height: 1.25;
}

.bq-answer-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
    width: 100%;
    max-width: 900px;
}

.bq-answer-btn {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    border: none;
    border-radius: 0.75rem;
    padding: 1.25rem;
    font-size: clamp(1rem, 2.6vw, 1.4rem);
    font-weight: 700;
    color: #fff;
    cursor: pointer;
    min-height: 5rem;
    text-align: left;
    transition: transform 0.08s ease, filter 0.15s ease, opacity 0.2s ease;
}
.bq-answer-btn:active { transform: scale(0.97); }
.bq-answer-btn .bq-shape { font-size: 1.4rem; flex-shrink: 0; }
.bq-answer-btn.opt-0 { background: var(--bq-red); }
.bq-answer-btn.opt-1 { background: var(--bq-blue); }
.bq-answer-btn.opt-2 { background: var(--bq-yellow); }
.bq-answer-btn.opt-3 { background: var(--bq-green); }
.bq-answer-btn:disabled { cursor: default; }
.bq-answer-btn.dimmed { opacity: 0.35; }
.bq-answer-btn.correct { outline: 4px solid #fff; }
.bq-answer-btn.picked { outline: 4px solid #fff; }

/* players view: buttons only need the shape, not text, on very small screens */
.bq-player-buttons .bq-answer-btn { justify-content: center; font-size: 1.1rem; }

/* ---------- leaderboard ---------- */

.bq-leaderboard {
    width: 100%;
    max-width: 700px;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.bq-lb-row {
    display: grid;
    grid-template-columns: 2rem 1fr auto;
    align-items: center;
    gap: 0.75rem;
    background: rgba(255,255,255,0.08);
    border-radius: 0.5rem;
    padding: 0.5rem 0.9rem;
}
.bq-lb-row.me { background: rgba(255,255,255,0.22); }
.bq-lb-rank { font-weight: 800; opacity: 0.7; }
.bq-lb-name { text-align: left; font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.bq-lb-bar-wrap { grid-column: 1 / -1; height: 0.5rem; background: rgba(255,255,255,0.08); border-radius: 1rem; overflow: hidden; }
.bq-lb-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--bq-purple), var(--bq-blue));
    width: 0%;
    transition: width 0.6s ease;
}
.bq-lb-score { font-weight: 800; }

.bq-player-chip {
    background: rgba(255,255,255,0.1);
    border-radius: 2rem;
    padding: 0.4rem 0.9rem;
    font-weight: 600;
    font-size: 0.95rem;
}
.bq-roster { display: flex; flex-wrap: wrap; gap: 0.5rem; justify-content: center; max-width: 900px; }

.bq-result-banner {
    font-size: clamp(1.5rem, 5vw, 3rem);
    font-weight: 800;
    padding: 1rem 2rem;
    border-radius: 1rem;
}
.bq-result-banner.correct { background: var(--bq-green); }
.bq-result-banner.wrong { background: var(--bq-red); }

textarea.bq-textarea {
    width: 100%;
    max-width: 700px;
    min-height: 220px;
    font-family: ui-monospace, Consolas, monospace;
    font-size: 0.85rem;
    border-radius: 0.5rem;
    border: none;
    padding: 0.75rem;
}

.bq-stat-row { display: flex; gap: 1.5rem; flex-wrap: wrap; justify-content: center; }
.bq-stat {
    background: rgba(255,255,255,0.08);
    border-radius: 0.75rem;
    padding: 0.75rem 1.25rem;
    min-width: 8rem;
}
.bq-stat .num { font-size: 1.8rem; font-weight: 800; display: block; }
.bq-stat .label { font-size: 0.8rem; opacity: 0.7; text-transform: uppercase; letter-spacing: 0.05em; }

a.bq-link { color: #fff; opacity: 0.8; }