/* Gasilski kviz - mobile-first responsive design */
* { box-sizing: border-box; margin: 0; padding: 0; -webkit-tap-highlight-color: transparent; }

:root {
    --primary: #c0392b;
    --primary-dark: #962d22;
    --primary-light: #e74c3c;
    --accent: #f39c12;
    --bg: #fff5f3;
    --bg-card: #ffffff;
    --text: #2c2c2c;
    --text-muted: #6b6b6b;
    --border: #f0d7d2;
    --ok: #27ae60;
    --ok-bg: #e8f8ef;
    --err: #c0392b;
    --err-bg: #fdecea;
    --shadow: 0 4px 16px rgba(192, 57, 43, 0.10);
}

html, body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background: linear-gradient(180deg, var(--bg) 0%, #ffe4dc 100%);
    color: var(--text);
    min-height: 100vh;
    font-size: 16px;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 720px;
    margin: 0 auto;
    padding: 16px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.hero { text-align: center; padding: 24px 0 16px; }
.logo { font-size: 56px; line-height: 1; margin-bottom: 8px; }
.hero h1 { color: var(--primary); font-size: 2rem; margin-bottom: 4px; letter-spacing: -0.5px; }
.subtitle { color: var(--text); font-weight: 500; font-size: 1rem; }
.subsubtitle { color: var(--text-muted); font-size: 0.875rem; margin-top: 2px; }

.card {
    background: var(--bg-card);
    border-radius: 16px;
    padding: 24px;
    box-shadow: var(--shadow);
    margin-bottom: 16px;
}
.card h2 { margin-bottom: 16px; color: var(--text); font-size: 1.25rem; }

label {
    display: block;
    font-weight: 600;
    margin-bottom: 8px;
    margin-top: 16px;
    color: var(--text);
    font-size: 0.95rem;
}
label:first-child { margin-top: 0; }

input[type="text"], input[type="password"] {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid var(--border);
    border-radius: 12px;
    font-size: 1rem;
    background: #fff;
    color: var(--text);
    transition: border-color 0.15s, box-shadow 0.15s;
}
input[type="text"]:focus, input[type="password"]:focus {
    outline: none;
    border-color: var(--primary-light);
    box-shadow: 0 0 0 4px rgba(231, 76, 60, 0.12);
}

.chip-group {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 8px;
}
.chip {
    flex: 1 1 auto;
    min-width: 60px;
    padding: 12px 14px;
    border: 2px solid var(--border);
    background: #fff;
    color: var(--text);
    border-radius: 12px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s;
}
.chip:hover { border-color: var(--primary-light); }
.chip.active {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

.btn-primary {
    display: block;
    width: 100%;
    margin-top: 24px;
    padding: 16px 20px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 1.05rem;
    font-weight: 700;
    cursor: pointer;
    text-decoration: none;
    text-align: center;
    transition: background 0.15s, transform 0.05s;
    box-shadow: 0 4px 12px rgba(192, 57, 43, 0.3);
}
.btn-primary:hover { background: var(--primary-dark); }
.btn-primary:active { transform: scale(0.98); }

.btn-secondary {
    display: inline-block;
    padding: 10px 16px;
    background: #fff;
    color: var(--primary);
    border: 2px solid var(--primary);
    border-radius: 10px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    font-size: 0.95rem;
}
.btn-secondary:hover { background: var(--primary); color: #fff; }

footer { text-align: center; padding: 20px 0; color: var(--text-muted); }
footer a { color: var(--primary); text-decoration: none; }

/* QUIZ */
.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
    flex-wrap: wrap;
    gap: 8px;
}
.player { font-weight: 600; }
.counter { color: var(--text-muted); font-size: 0.9rem; }

.progress {
    width: 100%;
    height: 8px;
    background: #f0d7d2;
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 16px;
}
.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    transition: width 0.4s ease;
}

.question-card { padding: 20px; }
.question-text { font-size: 1.15rem; line-height: 1.45; margin-bottom: 20px; color: var(--text); }

.options { display: flex; flex-direction: column; gap: 10px; }
.option {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 14px 16px;
    background: #fff;
    border: 2px solid var(--border);
    border-radius: 12px;
    cursor: pointer;
    text-align: left;
    font-size: 1rem;
    color: var(--text);
    transition: all 0.15s;
    line-height: 1.4;
    width: 100%;
}
.option:hover:not(:disabled) {
    border-color: var(--primary-light);
    background: #fffafa;
}
.option:disabled { cursor: default; }
.option .letter {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--bg);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.9rem;
}
.option .text { flex: 1; }

.option.correct {
    background: var(--ok-bg);
    border-color: var(--ok);
    color: var(--ok);
    font-weight: 600;
}
.option.correct .letter { background: var(--ok); color: white; }
.option.wrong {
    background: var(--err-bg);
    border-color: var(--err);
    color: var(--err);
    font-weight: 600;
}
.option.wrong .letter { background: var(--err); color: white; }

.feedback {
    margin-top: 16px;
    padding: 14px;
    border-radius: 12px;
    text-align: center;
    font-size: 1rem;
}
.feedback.ok { background: var(--ok-bg); color: var(--ok); }
.feedback.err { background: var(--err-bg); color: var(--err); }
.hidden { display: none !important; }

/* RESULTS */
.result-card { text-align: center; padding: 32px 20px; }
.result-emoji { font-size: 56px; margin-bottom: 8px; line-height: 1; }
.result-card h1 { margin-bottom: 8px; color: var(--text); font-size: 1.4rem; }
.score-big { font-size: 3.5rem; font-weight: 800; color: var(--primary); line-height: 1; margin: 8px 0; }
.score-percent { font-size: 1.5rem; color: var(--text-muted); font-weight: 600; }
.grade { margin-top: 12px; font-size: 1.15rem; font-weight: 600; }
.duration { margin-top: 6px; color: var(--text-muted); }
.result-card.excellent .score-big { color: var(--ok); }
.result-card.good .score-big { color: var(--accent); }

.review-card summary { cursor: pointer; padding: 8px 0; font-size: 1rem; }
.review { list-style: none; margin-top: 12px; }
.review li {
    padding: 12px 14px;
    border-left: 4px solid var(--border);
    margin-bottom: 8px;
    background: #fafafa;
    border-radius: 6px;
}
.review li.ok { border-left-color: var(--ok); background: var(--ok-bg); }
.review li.err { border-left-color: var(--err); background: var(--err-bg); }
.rev-q { font-weight: 600; margin-bottom: 6px; }
.rev-given { color: var(--err); font-size: 0.9rem; }
.rev-right { color: var(--ok); font-size: 0.9rem; }

/* ADMIN */
.admin-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }
.stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 12px;
    margin-bottom: 20px;
}
.stat {
    background: var(--bg-card);
    border-radius: 12px;
    padding: 16px;
    text-align: center;
    box-shadow: var(--shadow);
}
.stat-num { font-size: 1.6rem; font-weight: 800; color: var(--primary); }
.stat-label { font-size: 0.85rem; color: var(--text-muted); margin-top: 4px; }

table {
    width: 100%;
    background: var(--bg-card);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow);
    border-collapse: collapse;
}
th, td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid var(--border);
    font-size: 0.92rem;
}
th { background: var(--bg); font-weight: 700; color: var(--primary); }
tr:last-child td { border-bottom: none; }
tr:hover { background: #fffafa; }

.score-cell { font-weight: 700; }
.score-cell.ok { color: var(--ok); }
.score-cell.mid { color: var(--accent); }
.score-cell.err { color: var(--err); }

.actions { display: flex; gap: 8px; flex-wrap: wrap; }

@media (max-width: 600px) {
    .container { padding: 12px; }
    .hero h1 { font-size: 1.6rem; }
    .logo { font-size: 48px; }
    .card { padding: 18px; }
    .question-text { font-size: 1.05rem; }
    .option { padding: 12px 14px; font-size: 0.95rem; }
    .score-big { font-size: 3rem; }
    .stats { grid-template-columns: 1fr 1fr; }
    table { font-size: 0.85rem; }
    th, td { padding: 8px; }
}

.btn-row { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 16px; }
.btn-row .btn-primary, .btn-row .btn-secondary { margin-top: 0; flex: 1; min-width: 140px; }

/* Detail rows in admin */
.details-list { font-size: 0.85rem; margin-top: 8px; }
.details-list li { padding: 4px 0; }