* {
    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: 1.5rem;
    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); }

.btn-small {
    padding: 10px 16px;
    font-size: 0.9rem;
}

/* ===== MODE BUTTONS ===== */
.mode-buttons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-top: 8px;
}

.mode-btn {
    padding: 18px 12px;
    font-size: 1rem;
    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;
    text-align: center;
}

.mode-btn:hover {
    border-color: var(--primary-color);
    background: rgba(99, 102, 241, 0.1);
}

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

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

/* ===== OPTION BUTTONS (rounds/throws) ===== */
.option-buttons {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
    margin-top: 8px;
}

.option-btn {
    padding: 14px 8px;
    font-size: 1.1rem;
    font-weight: 700;
    border: 3px solid var(--border-color);
    border-radius: 10px;
    background: var(--bg-color);
    color: var(--text-color);
    cursor: pointer;
    transition: all 0.3s;
}

.option-btn:hover {
    border-color: var(--primary-color);
    background: rgba(99, 102, 241, 0.1);
}

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

/* ===== 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); }

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

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

.scoreboard table,
#scoreTable {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
    min-width: 300px;
}

#scoreTable th {
    background: var(--bg-color);
    padding: 8px 10px;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.8rem;
    font-weight: 600;
    white-space: nowrap;
}

#scoreTable th:first-child { text-align: left; }

#scoreTable td {
    padding: 10px;
    text-align: center;
    border-top: 1px solid var(--border-color);
    font-size: 0.9rem;
}

#scoreTable td:first-child {
    text-align: left;
    font-weight: 700;
    color: var(--text-color);
}

#scoreTable tr.active-player td {
    background: rgba(99, 102, 241, 0.12);
}

#scoreTable tr.active-player td:first-child {
    color: var(--primary-color);
}

#scoreTable td.total-cell {
    font-weight: 800;
    color: var(--primary-color);
    font-size: 1rem;
}

#scoreTable td.strike-cell { color: var(--success-color); font-weight: 800; }
#scoreTable td.spare-cell  { color: var(--warning-color); font-weight: 700; }

/* ===== THROW INPUT ===== */
.throw-input-header {
    text-align: center;
    margin-bottom: 16px;
}

.throw-input-header .player-name {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: 4px;
}

.throw-input-header .throw-info {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.throw-buttons {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 10px;
    margin-bottom: 16px;
}

.throw-btn {
    padding: 20px 10px;
    font-size: 1.6rem;
    font-weight: 700;
    border: 3px solid var(--border-color);
    border-radius: 12px;
    background: var(--bg-color);
    color: var(--text-color);
    cursor: pointer;
    transition: all 0.2s;
}

.throw-btn:hover {
    border-color: var(--primary-color);
    background: rgba(99, 102, 241, 0.12);
    transform: translateY(-2px);
}

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

.throw-btn.disabled {
    opacity: 0.25;
    cursor: not-allowed;
    pointer-events: none;
}

.throw-btn.strike {
    border-color: var(--success-color);
    color: var(--success-color);
}

.throw-progress {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    margin-bottom: 12px;
    padding: 10px;
    background: var(--bg-color);
    border-radius: 8px;
}

.throw-pip {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: 2px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text-muted);
    transition: all 0.2s;
}

.throw-pip.filled {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

.throw-pip.strike-pip {
    background: var(--success-color);
    border-color: var(--success-color);
    color: white;
}

.throw-pip.spare-pip {
    background: var(--warning-color);
    border-color: var(--warning-color);
    color: white;
}

.round-summary {
    text-align: center;
    padding: 12px;
    background: rgba(99, 102, 241, 0.1);
    border-radius: 8px;
    border: 1px solid var(--primary-color);
    margin-bottom: 12px;
    font-size: 1rem;
    color: var(--text-muted);
}

.round-summary strong {
    color: var(--primary-color);
    font-size: 1.2rem;
}

/* ===== RESULTS ===== */
.result-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 16px;
    border-radius: 10px;
    margin-bottom: 10px;
    background: var(--bg-color);
    border: 2px solid var(--border-color);
}

.result-item:first-child {
    background: linear-gradient(135deg, rgba(99,102,241,0.2), rgba(56,189,248,0.2));
    border-color: var(--primary-color);
}

.result-item .rank { font-size: 1.5rem; margin-right: 10px; }

.result-item .player-name-result {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-color);
    flex: 1;
}

.result-item .score {
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--primary-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-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; }

.game-code-display {
    font-size: 2.5rem;
    font-weight: 900;
    letter-spacing: 0.15em;
    text-align: center;
    color: var(--primary-color);
    padding: 20px;
    background: var(--bg-color);
    border-radius: 10px;
    margin: 12px 0;
    border: 2px dashed var(--primary-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; }

/* ===== FINISHED GAME MESSAGE ===== */
.game-finished-banner {
    background: linear-gradient(135deg, rgba(99,102,241,0.2), rgba(56,189,248,0.2));
    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(--primary-color);
}