* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #6366f1;
    --primary-dark: #4f46e5;
    --secondary-color: #8b5cf6;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --bg-color: #0f172a;
    --card-bg: #1e293b;
    --text-color: #f1f5f9;
    --text-muted: #94a3b8;
    --border-color: #334155;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    color: var(--text-color);
    min-height: 100vh;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.screen {
    display: none;
    min-height: 100vh;
    padding: 20px;
}

.screen.active { display: block; }

.container {
    max-width: 900px;
    margin: 0 auto;
}

h1 {
    text-align: center;
    margin-bottom: 30px;
    font-size: 2rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

h2 {
    font-size: 1.5rem;
    margin-bottom: 20px;
    color: var(--text-color);
}

.card {
    background: var(--card-bg);
    border-radius: 16px;
    padding: 24px;
    margin-bottom: 20px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.3);
    border: 1px solid var(--border-color);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-muted);
    font-size: 0.9rem;
    font-weight: 500;
}

input[type="number"],
input[type="text"] {
    width: 100%;
    padding: 12px 16px;
    font-size: 1rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-color);
    color: var(--text-color);
    transition: border-color 0.3s;
}

input[type="number"]:focus,
input[type="text"]:focus {
    outline: none;
    border-color: var(--primary-color);
}

.btn {
    width: 100%;
    padding: 14px 24px;
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s;
    margin-top: 10px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
}

.btn-primary:active { transform: scale(0.98); }

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

.btn-secondary:active { transform: scale(0.98); }

/* ===== PLAYER COUNT BUTTONS ===== */
.player-count-buttons {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 10px;
    margin-top: 8px;
}

.player-count-btn {
    padding: 16px;
    font-size: 1.3rem;
    font-weight: 700;
    border: 3px solid var(--border-color);
    border-radius: 12px;
    background: var(--bg-color);
    color: var(--text-color);
    cursor: pointer;
    transition: all 0.3s;
}

.player-count-btn.active,
.player-count-btn:hover {
    border-color: var(--primary-color);
    background: rgba(99,102,241,0.15);
    color: var(--primary-color);
}

/* ===== HEADER / GAMEBAR ===== */
.header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--bg-color);
    border-bottom: 1px solid var(--border-color);
    padding: 0;
}

.icon-btn {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.2rem;
    padding: 4px 8px;
    border-radius: 6px;
    transition: background 0.2s;
}
.icon-btn:hover { background: rgba(255,255,255,0.1); }

/* ===== KNIFFEL SCORECARD ===== */
.scorecard-wrapper {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border-radius: 12px;
}

.scorecard-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 320px;
    font-size: 0.9rem;
}

.scorecard-table th,
.scorecard-table td {
    padding: 8px 10px;
    border: 1px solid var(--border-color);
    text-align: center;
    white-space: nowrap;
}

.scorecard-table th {
    background: rgba(99,102,241,0.2);
    color: var(--primary-color);
    font-weight: 700;
    position: sticky;
    top: 0;
}

.scorecard-table th.category-header {
    text-align: left;
    min-width: 130px;
    background: rgba(99,102,241,0.15);
}

.scorecard-table td.category-label {
    text-align: left;
    color: var(--text-muted);
    font-size: 0.85rem;
    background: rgba(15,23,42,0.5);
}

/* Section header rows */
.scorecard-table tr.section-header td {
    background: rgba(99,102,241,0.1);
    color: var(--primary-color);
    font-weight: 700;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 6px 10px;
    border-top: 2px solid var(--primary-color);
}

/* Summary rows */
.scorecard-table tr.summary-row td {
    background: rgba(30,41,59,0.8);
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.scorecard-table tr.summary-row td.category-label {
    color: var(--text-color);
}

/* Bonus row */
.scorecard-table tr.bonus-row td {
    background: rgba(16,185,129,0.08);
    font-weight: 600;
    font-size: 0.85rem;
}

.scorecard-table tr.bonus-row td.category-label {
    color: var(--success-color);
}

/* Total row */
.scorecard-table tr.total-row td {
    background: rgba(99,102,241,0.15);
    font-weight: 800;
    font-size: 1rem;
    color: var(--text-color);
    border-top: 2px solid var(--primary-color);
}

/* Score cells */
td.score-cell {
    min-width: 55px;
    cursor: default;
    transition: background 0.2s;
}

td.score-cell.filled {
    color: var(--text-color);
    font-weight: 600;
}

td.score-cell.filled-zero {
    color: var(--text-muted);
    text-decoration: line-through;
    opacity: 0.6;
}

td.score-cell.clickable {
    cursor: pointer;
    background: rgba(99,102,241,0.08);
}

td.score-cell.clickable:hover {
    background: rgba(99,102,241,0.25);
    color: var(--primary-color);
}

td.score-cell.active-player-empty {
    background: rgba(99,102,241,0.12);
    border: 1px solid rgba(99,102,241,0.4);
}

/* Active player column highlight */
th.active-player-col {
    background: rgba(99,102,241,0.35) !important;
    color: #fff !important;
}

tr:not(.section-header):not(.summary-row):not(.bonus-row):not(.total-row) td.active-player-col {
    background: rgba(99,102,241,0.06);
}

/* Bonus progress bar */
.bonus-progress-wrap {
    margin: 8px 0 0;
    font-size: 0.82rem;
    color: var(--text-muted);
}

.bonus-bar {
    height: 6px;
    background: var(--border-color);
    border-radius: 4px;
    margin-top: 4px;
    overflow: hidden;
}

.bonus-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 4px;
    transition: width 0.4s;
}

/* ===== CURRENT PLAYER INDICATOR ===== */
.current-player-bar {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: rgba(99,102,241,0.15);
    border: 1px solid rgba(99,102,241,0.4);
    border-radius: 10px;
    margin-bottom: 16px;
}

.current-player-bar .player-name {
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--primary-color);
}

.current-player-bar .instruction {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* ===== ENTRY MODAL ===== */
.modal-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 999;
    padding: 20px;
}

.modal-box {
    background: var(--card-bg);
    border-radius: 16px;
    padding: 24px;
    width: 100%;
    max-width: 380px;
    border: 1px solid var(--border-color);
    box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}

.modal-box h3 {
    margin-bottom: 6px;
    color: var(--text-color);
    font-size: 1.2rem;
}

.modal-box .modal-desc {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-bottom: 16px;
}

.quick-values {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 16px;
}

.quick-val-btn {
    padding: 8px 14px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-color);
    color: var(--text-color);
    cursor: pointer;
    font-size: 0.95rem;
    font-weight: 600;
    transition: all 0.2s;
}

.quick-val-btn:hover,
.quick-val-btn.selected {
    border-color: var(--primary-color);
    background: rgba(99,102,241,0.2);
    color: var(--primary-color);
}

.quick-val-btn.zero-btn {
    border-color: var(--danger-color);
    color: var(--danger-color);
}

.quick-val-btn.zero-btn:hover,
.quick-val-btn.zero-btn.selected {
    background: rgba(239,68,68,0.15);
}

.modal-input {
    width: 100%;
    padding: 12px 16px;
    font-size: 1.1rem;
    font-weight: 700;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-color);
    color: var(--text-color);
    text-align: center;
    margin-bottom: 16px;
}

.modal-input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.modal-buttons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.modal-btn-confirm {
    padding: 12px;
    border: none;
    border-radius: 8px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    transition: opacity 0.2s;
}

.modal-btn-cancel {
    padding: 12px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    background: transparent;
    color: var(--text-muted);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
}

/* ===== RULES MODAL ===== */
.rules-modal-box {
    max-width: 500px;
    max-height: 85vh;
    overflow-y: auto;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}

.modal-title { font-size: 1.2rem; font-weight: 700; }
.modal-close {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 6px;
}
.modal-close:hover { background: rgba(255,255,255,0.1); }

.rules-section { margin-bottom: 20px; }
.rules-section h3 { color: var(--primary-color); margin-bottom: 8px; font-size: 1rem; }
.rules-section p, .rules-section li { color: var(--text-muted); font-size: 0.9rem; line-height: 1.7; }
.rules-section ul { padding-left: 20px; }
.rules-section li { margin-bottom: 4px; }

.rules-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
    margin-top: 8px;
}
.rules-table th, .rules-table td {
    padding: 6px 10px;
    border: 1px solid var(--border-color);
    text-align: left;
}
.rules-table th {
    background: rgba(99,102,241,0.15);
    color: var(--primary-color);
}
.rules-table td { color: var(--text-muted); }

/* ===== GAME CODE MODAL ===== */
.gamecode-modal {
    max-width: 340px;
    text-align: center;
}

/* ===== FEEDBACK MODAL ===== */
.modal { display: none; position: fixed; top: 0; left: 0; right: 0; bottom: 0; background: rgba(0,0,0,0.7); z-index: 998; align-items: center; justify-content: center; padding: 20px; }
.modal.active { display: flex; }
.modal-content { background: var(--card-bg); border-radius: 16px; padding: 24px; width: 100%; max-width: 400px; border: 1px solid var(--border-color); }
.modal-content h2 { margin-bottom: 16px; }
.close-btn { background: none; border: none; color: var(--text-muted); font-size: 1.5rem; cursor: pointer; padding: 0; line-height: 1; }
.modal-body textarea { resize: vertical; }

/* ===== RESULTS / END SCREEN ===== */
.ranking-list { list-style: none; padding: 0; }
.ranking-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    margin-bottom: 10px;
    background: var(--bg-color);
    border-radius: 10px;
    border: 1px solid var(--border-color);
}
.ranking-list li.rank-1 { border-color: gold; background: rgba(255,215,0,0.05); }
.ranking-list li.rank-2 { border-color: silver; }
.ranking-list li.rank-3 { border-color: #cd7f32; }
.ranking-place { font-size: 1.4rem; min-width: 32px; text-align: center; }
.ranking-name { flex: 1; font-weight: 600; }
.ranking-score { font-size: 1.3rem; font-weight: 800; color: var(--primary-color); }

.actions { display: flex; gap: 10px; flex-wrap: wrap; }
.actions .btn { flex: 1; min-width: 140px; }

/* ===== VIEWER NOTE ===== */
.viewer-note {
    text-align: center;
    padding: 20px;
    color: var(--text-muted);
    border: 1px dashed var(--border-color);
    border-radius: 10px;
    margin-bottom: 20px;
}

/* ===== GAME FINISHED BANNER ===== */
.game-finished-banner {
    text-align: center;
    padding: 16px;
    background: rgba(16,185,129,0.15);
    border: 1px solid var(--success-color);
    border-radius: 10px;
    color: var(--success-color);
    font-weight: 700;
    margin-bottom: 16px;
}

/* ===== RESUME CARD ===== */
.resume-card { border-color: rgba(99,102,241,0.4); }
.resume-card-btn { background: rgba(99,102,241,0.2); color: var(--primary-color); border: 1px solid var(--primary-color); margin-top: 0; }

/* ===== RESPONSIVE ===== */
@media (max-width: 500px) {
    .scorecard-table { font-size: 0.8rem; }
    .scorecard-table th, .scorecard-table td { padding: 6px 6px; }
    td.score-cell { min-width: 42px; }
    .scorecard-table th.category-header, td.category-label { min-width: 100px; }
    .modal-box { padding: 16px; }
    h1 { font-size: 1.6rem; }
}