* {
    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: 600px;
    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: 1.3rem;
    margin-bottom: 16px;
    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); }

/* ===== MODE SELECTOR ===== */
.mode-selector {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-bottom: 20px;
}

.mode-btn {
    padding: 20px 12px;
    border: 3px solid var(--border-color);
    border-radius: 14px;
    background: var(--bg-color);
    color: var(--text-color);
    cursor: pointer;
    transition: all 0.3s;
    text-align: center;
    font-weight: 700;
}

.mode-btn .mode-icon {
    font-size: 2rem;
    display: block;
    margin-bottom: 8px;
}

.mode-btn .mode-name {
    font-size: 1.1rem;
    display: block;
    margin-bottom: 4px;
}

.mode-btn .mode-desc {
    font-size: 0.75rem;
    color: var(--text-muted);
    display: block;
    font-weight: 400;
}

.mode-btn:hover {
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

.mode-btn.active {
    background: linear-gradient(135deg, rgba(99,102,241,0.25), rgba(139,92,246,0.25));
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(99,102,241,0.3);
}

.mode-btn.active .mode-name { color: var(--secondary-color); }

/* ===== PLAYER COUNT BUTTONS ===== */
.player-count-buttons {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
    margin-top: 8px;
}

.player-count-btn {
    padding: 18px;
    font-size: 1.4rem;
    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:hover {
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

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

.player-count-btn:active { transform: scale(0.95); }

/* ===== TARGET SCORE BUTTONS ===== */
.target-buttons {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
    margin-top: 8px;
}

.target-btn {
    padding: 12px 8px;
    font-size: 0.9rem;
    font-weight: 700;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    background: var(--bg-color);
    color: var(--text-color);
    cursor: pointer;
    transition: all 0.2s;
    text-align: center;
}

.target-btn:hover { border-color: var(--primary-color); }

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

/* ===== PLAYER NAME INPUTS ===== */
.player-input-row {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
}

.player-input-row .player-num {
    font-size: 1.1rem;
    min-width: 28px;
    color: var(--text-muted);
    font-weight: 700;
}

.player-input-row input {
    flex: 1;
    margin: 0;
}

/* ===== HEADER / GAMEBAR ===== */
.header {
    background: var(--card-bg);
    border-bottom: 1px solid var(--border-color);
    padding: 12px 16px;
    position: sticky;
    top: 0;
    z-index: 100;
}

/* ===== SCORE TABLE ===== */
.table-scroll {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.score-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
    min-width: 280px;
}

.score-table th {
    background: var(--bg-color);
    padding: 8px 10px;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.78rem;
    font-weight: 600;
    white-space: nowrap;
    position: sticky;
    top: 0;
}

.score-table th:first-child { text-align: left; }

.score-table td {
    padding: 8px 10px;
    text-align: center;
    border-top: 1px solid var(--border-color);
    font-size: 0.85rem;
    white-space: nowrap;
}

.score-table td:first-child {
    text-align: left;
    color: var(--text-muted);
    font-size: 0.8rem;
}

.score-table tr.total-row td {
    font-weight: 800;
    font-size: 1rem;
    border-top: 2px solid var(--border-color);
    background: var(--bg-color);
}

.score-table tr.total-row td:first-child {
    color: var(--text-color);
}

.score-table .cell-round { color: var(--text-color); }
.score-table .cell-total {
    font-weight: 800;
    color: var(--secondary-color);
}

.score-table .cell-warning {
    color: var(--warning-color);
    font-weight: 700;
}

.score-table .cell-danger {
    color: var(--danger-color);
    font-weight: 800;
    background: rgba(239,68,68,0.1);
}

.score-table .cell-eliminated {
    color: var(--text-muted);
    text-decoration: line-through;
    opacity: 0.5;
}

.score-table .cell-winner {
    color: var(--success-color);
    font-weight: 800;
}

/* ===== ROUND INPUT ===== */
.round-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}

.round-header h2 { margin: 0; }

.round-mode-badge {
    font-size: 0.8rem;
    padding: 4px 10px;
    border-radius: 20px;
    background: rgba(99,102,241,0.2);
    color: var(--secondary-color);
    border: 1px solid rgba(99,102,241,0.3);
    font-weight: 600;
}

.player-score-row {
    background: var(--bg-color);
    border-radius: 12px;
    padding: 14px;
    margin-bottom: 10px;
    border: 2px solid var(--border-color);
    transition: border-color 0.2s;
}

.player-score-row.is-winner {
    border-color: var(--success-color);
    background: rgba(16,185,129,0.07);
}

.player-score-row.is-eliminated {
    opacity: 0.4;
    pointer-events: none;
}

.player-score-top {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
}

.player-score-name {
    flex: 1;
    font-weight: 700;
    font-size: 1rem;
    color: var(--text-color);
}

.player-total-badge {
    font-size: 0.8rem;
    padding: 3px 8px;
    border-radius: 20px;
    background: var(--border-color);
    color: var(--text-muted);
    font-weight: 600;
}

.player-total-badge.danger {
    background: rgba(239,68,68,0.2);
    color: var(--danger-color);
}

.player-total-badge.warning {
    background: rgba(245,158,11,0.2);
    color: var(--warning-color);
}

.player-score-controls {
    display: flex;
    align-items: center;
    gap: 8px;
}

.player-score-controls input[type="number"] {
    width: 90px;
    padding: 10px 12px;
    font-size: 1.1rem;
    font-weight: 700;
    text-align: center;
    flex-shrink: 0;
}

.quick-btns {
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
    flex: 1;
}

.quick-btn {
    padding: 8px 10px;
    font-size: 0.85rem;
    font-weight: 700;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    background: var(--card-bg);
    color: var(--text-color);
    cursor: pointer;
    transition: all 0.15s;
    min-width: 36px;
    text-align: center;
}

.quick-btn:hover {
    border-color: var(--primary-color);
    background: rgba(99,102,241,0.12);
    transform: translateY(-1px);
}

.quick-btn:active { transform: scale(0.93); }

.winner-btn {
    padding: 10px 14px;
    font-size: 0.85rem;
    font-weight: 700;
    border: 2px solid var(--success-color);
    border-radius: 8px;
    background: rgba(16,185,129,0.1);
    color: var(--success-color);
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
}

.winner-btn:hover {
    background: rgba(16,185,129,0.2);
    transform: translateY(-1px);
}

.winner-btn.active {
    background: var(--success-color);
    color: white;
}

.winner-btn:active { transform: scale(0.95); }

/* ===== GAME LIMIT WARNING ===== */
.limit-warning {
    background: rgba(239,68,68,0.12);
    border: 2px solid var(--danger-color);
    border-radius: 12px;
    padding: 14px 16px;
    margin-bottom: 16px;
    text-align: center;
    color: var(--danger-color);
    font-weight: 600;
    font-size: 0.95rem;
}

/* ===== GAME FINISHED BANNER ===== */
.game-finished-banner {
    background: linear-gradient(135deg, rgba(99,102,241,0.2), rgba(139,92,246,0.2));
    border: 2px solid var(--primary-color);
    border-radius: 12px;
    padding: 16px;
    text-align: center;
    margin-bottom: 16px;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--secondary-color);
}

/* ===== RESULT / END SCREEN ===== */
.result-item {
    display: flex;
    align-items: center;
    padding: 14px 16px;
    border-radius: 12px;
    margin-bottom: 10px;
    background: var(--bg-color);
    border: 2px solid var(--border-color);
    gap: 10px;
}

.result-item.winner {
    background: linear-gradient(135deg, rgba(99,102,241,0.2), rgba(139,92,246,0.2));
    border-color: var(--primary-color);
}

.result-item .rank { font-size: 1.5rem; min-width: 36px; }
.result-item .player-name-result { flex: 1; font-size: 1.1rem; font-weight: 700; }
.result-item .score { font-size: 1.3rem; font-weight: 800; color: var(--secondary-color); }

.winner-announcement {
    text-align: center;
    padding: 20px;
    background: linear-gradient(135deg, rgba(16,185,129,0.15), rgba(99,102,241,0.15));
    border-radius: 14px;
    border: 2px solid var(--success-color);
    margin-bottom: 20px;
}

.winner-announcement .winner-emoji { font-size: 3rem; display: block; margin-bottom: 8px; }
.winner-announcement .winner-title { font-size: 0.9rem; color: var(--text-muted); margin-bottom: 4px; }
.winner-announcement .winner-name { font-size: 1.6rem; font-weight: 900; color: var(--success-color); }

/* ===== MODALS ===== */
.modal {
    display: none;
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0,0,0,0.7);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.modal.active { display: flex; }

.modal-overlay {
    display: none;
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0,0,0,0.7);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.modal-overlay.active { display: flex; }

.modal-box {
    background: var(--card-bg);
    border-radius: 16px;
    width: 100%;
    max-width: 440px;
    border: 1px solid var(--border-color);
    overflow: hidden;
    padding: 24px;
}

.modal-content {
    background: var(--card-bg);
    border-radius: 16px;
    width: 100%;
    max-width: 440px;
    border: 1px solid var(--border-color);
    overflow: hidden;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
}

.modal-header h2 { margin: 0; }

.close-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0;
    line-height: 1;
}

.modal-body { padding: 20px 24px; }

/* ===== RULES MODAL ===== */
.rules-modal-box {
    max-width: 520px;
    max-height: 82vh;
    overflow-y: auto;
}

.modal-title {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-color);
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.3rem;
    cursor: pointer;
    padding: 4px 8px;
}

.rules-content { padding: 16px 0; }

.rules-section {
    margin-bottom: 20px;
}

.rules-section h3 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: 8px;
}

.rules-section p,
.rules-section li {
    color: var(--text-muted);
    font-size: 0.92rem;
    line-height: 1.6;
}

.rules-section ul { padding-left: 20px; }
.rules-section li { margin-bottom: 4px; }

.rules-mode-title {
    font-size: 1.15rem;
    font-weight: 800;
    color: var(--text-color);
    margin: 24px 0 12px;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--border-color);
}

/* ===== RESUME CARD ===== */
.resume-card {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border: none;
}

.resume-card h2 { color: white; -webkit-text-fill-color: white; background: none; }
.resume-card p { color: rgba(255,255,255,0.88); margin: 0 0 15px; }

.resume-card-btn {
    background: white !important;
    color: var(--primary-dark) !important;
    width: 100%;
    font-weight: 700;
}

/* ===== ACTIONS ===== */
.actions { margin-top: 10px; margin-bottom: 30px; }

/* ===== ICON BUTTONS ===== */
.icon-btn {
    background: none;
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    border-radius: 8px;
    padding: 6px 10px;
    cursor: pointer;
    font-size: 1rem;
    transition: all 0.2s;
}

.icon-btn:hover {
    border-color: var(--primary-color);
    color: var(--secondary-color);
}

/* ===== CONFETTI ===== */
.confetti-container {
    position: fixed; inset: 0;
    pointer-events: none;
    overflow: hidden;
    z-index: 2000;
}

.confetti-piece {
    position: absolute;
    top: -10vh;
    width: 10px;
    height: 18px;
    opacity: 0.9;
    animation: confetti-fall linear forwards;
}

@keyframes confetti-fall {
    0%   { transform: translate3d(0,0,0) rotate(0deg); opacity: 1; }
    100% { transform: translate3d(0,120vh,0) rotate(540deg); opacity: 0; }
}

/* ===== VIEWER NOTE ===== */
.viewer-note {
    text-align: center;
    padding: 20px;
    color: var(--text-muted);
}

/* ===== GAME DURATION ===== */
#gameDuration {
    color: var(--text-muted);
    text-align: center;
    margin-bottom: 16px;
    font-size: 0.85rem;
}

/* ===== SCOREBOARD HEADING ===== */
.scoreboard h2 { margin-bottom: 12px; }

/* ===== ELIMINATED LABEL ===== */
.elim-label {
    font-size: 0.7rem;
    color: var(--danger-color);
    font-weight: 700;
    margin-left: 4px;
}

/* ===== CUMULATIVE TOTAL IN ROUND CELLS ===== */
.score-cumul {
    font-size: 0.68rem;
    color: var(--text-muted);
    display: block;
    margin-top: 1px;
    font-weight: 500;
}

.score-table .cell-danger .score-cumul,
.score-table .cell-warning .score-cumul {
    color: inherit;
    opacity: 0.75;
}