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

body {
    font-family: 'Rajdhani', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #0a0a1a 0%, #1a1a3e 50%, #0f2847 100%);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
    overflow-x: hidden;
    overscroll-behavior: none;
}

body.playing {
    overflow: hidden;
    position: fixed;
    width: 100%;
    height: 100%;
    touch-action: none;
    -webkit-overflow-scrolling: none;
}

.hidden {
    display: none !important;
}

/* ========== TELA INICIAL ========== */
.start-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #0a0a1a 0%, #1a1a3e 50%, #0f2847 100%);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 2000;
}

.start-content {
    text-align: center;
    padding: 40px;
}

.game-title {
    font-family: 'Orbitron', sans-serif;
    font-size: 3.5rem;
    font-weight: 900;
    background: linear-gradient(135deg, #00d4ff, #7c3aed, #f472b6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 60px rgba(124, 58, 237, 0.5);
    margin-bottom: 10px;
    animation: titleGlow 2s ease-in-out infinite alternate;
}

@keyframes titleGlow {
    from { filter: drop-shadow(0 0 20px rgba(124, 58, 237, 0.5)); }
    to { filter: drop-shadow(0 0 40px rgba(0, 212, 255, 0.8)); }
}

.subtitle {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.2rem;
    color: #7c3aed;
    letter-spacing: 8px;
    margin-bottom: 40px;
}

.name-input-container {
    margin: 30px 0;
}

.name-input-container label {
    display: block;
    color: #aaa;
    font-size: 1.1rem;
    margin-bottom: 15px;
}

.name-input-container input {
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(124, 58, 237, 0.5);
    border-radius: 15px;
    padding: 15px 30px;
    font-size: 1.3rem;
    color: #fff;
    text-align: center;
    width: 280px;
    font-family: 'Rajdhani', sans-serif;
    transition: all 0.3s ease;
}

.name-input-container input:focus {
    outline: none;
    border-color: #00d4ff;
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.3);
}

.name-input-container input::placeholder {
    color: rgba(255, 255, 255, 0.4);
}

.btn-start {
    background: linear-gradient(135deg, #7c3aed 0%, #00d4ff 100%);
    padding: 18px 50px;
    font-size: 1.4rem;
    font-family: 'Orbitron', sans-serif;
    letter-spacing: 2px;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.start-highscores {
    margin-top: 40px;
    background: rgba(255, 255, 255, 0.05);
    padding: 20px 30px;
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.start-highscores h3 {
    color: #ffd700;
    font-size: 1.2rem;
    margin-bottom: 15px;
}

.start-highscores ol {
    list-style: none;
    color: #ccc;
}

.start-highscores li {
    padding: 8px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.95rem;
}

.start-highscores li:last-child {
    border-bottom: none;
}

.admin-links {
    margin-top: 25px;
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
}

.admin-link {
    color: #888;
    text-decoration: none;
    font-size: 0.9rem;
    padding: 10px 20px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 10px;
    transition: all 0.3s ease;
}

.admin-link:hover {
    color: #00d4ff;
    border-color: #00d4ff;
    background: rgba(0, 212, 255, 0.1);
}

/* ========== CONTAINER DO JOGO ========== */
.game-container {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border-radius: 25px;
    padding: 30px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4), 
                inset 0 1px 0 rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    overflow: visible;
    max-height: none;
    touch-action: none;
    user-select: none;
    -webkit-user-select: none;
}

.header {
    text-align: center;
    margin-bottom: 20px;
}

.header h1 {
    font-family: 'Orbitron', sans-serif;
    font-size: 2rem;
    background: linear-gradient(135deg, #00d4ff, #7c3aed);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.player-name {
    color: #888;
    font-size: 1rem;
    margin-top: 5px;
}

.player-name span {
    color: #00d4ff;
    font-weight: bold;
}

/* ========== INFO DO JOGO ========== */
.game-info {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 20px;
}

.info-box {
    background: rgba(0, 0, 0, 0.3);
    padding: 15px 25px;
    border-radius: 15px;
    text-align: center;
    min-width: 110px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.info-box.level-box {
    border-color: rgba(124, 58, 237, 0.5);
}

.info-box .label {
    display: block;
    color: #888;
    font-size: 0.85rem;
    margin-bottom: 5px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.info-box .value {
    display: block;
    color: #fff;
    font-size: 2rem;
    font-weight: bold;
    font-family: 'Orbitron', sans-serif;
}

.level-box .value {
    color: #7c3aed;
}

/* ========== NOTIFICAÇÃO DE NÍVEL ========== */
.level-up-notification {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 1500;
    pointer-events: none;
}

.level-up-content {
    background: linear-gradient(135deg, rgba(124, 58, 237, 0.95), rgba(0, 212, 255, 0.95));
    padding: 40px 80px;
    border-radius: 20px;
    text-align: center;
    animation: levelUpAnim 2s ease-out forwards;
    box-shadow: 0 0 60px rgba(124, 58, 237, 0.8);
}

@keyframes levelUpAnim {
    0% { transform: scale(0.5); opacity: 0; }
    20% { transform: scale(1.2); opacity: 1; }
    80% { transform: scale(1); opacity: 1; }
    100% { transform: scale(1.5); opacity: 0; }
}

.level-up-text {
    display: block;
    font-family: 'Orbitron', sans-serif;
    font-size: 1.5rem;
    color: rgba(255, 255, 255, 0.8);
    letter-spacing: 5px;
}

.level-up-number {
    display: block;
    font-family: 'Orbitron', sans-serif;
    font-size: 5rem;
    font-weight: 900;
    color: #fff;
    text-shadow: 0 0 30px rgba(255, 255, 255, 0.5);
}

.level-up-subtext {
    display: block;
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.7);
    margin-top: 10px;
}

/* ========== ÁREA PRINCIPAL ========== */
.main-area {
    display: flex;
    gap: 30px;
    justify-content: center;
    align-items: flex-start;
}

.game-board-container {
    position: relative;
}

.game-board {
    display: grid;
    grid-template-columns: repeat(10, 28px);
    grid-template-rows: repeat(20, 28px);
    gap: 2px;
    background: rgba(0, 0, 0, 0.6);
    padding: 8px;
    border-radius: 12px;
    border: 3px solid rgba(124, 58, 237, 0.3);
    box-shadow: inset 0 0 30px rgba(0, 0, 0, 0.5),
                0 0 20px rgba(124, 58, 237, 0.2);
    touch-action: none;
}

.game-board .cell {
    width: 28px;
    height: 28px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.1s ease;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.game-board .cell:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.2);
}

.game-board .cell.filled {
    border: 2px solid rgba(255, 255, 255, 0.4);
    box-shadow: inset 0 -2px 4px rgba(0, 0, 0, 0.3),
                inset 0 2px 4px rgba(255, 255, 255, 0.2),
                0 0 8px currentColor;
}

.game-board .cell.preview {
    opacity: 0.6;
    animation: previewPulse 0.5s ease-in-out infinite alternate;
}

@keyframes previewPulse {
    from { opacity: 0.4; }
    to { opacity: 0.7; }
}

.game-board .cell.invalid {
    background: rgba(255, 0, 0, 0.4) !important;
    border-color: #ff4444 !important;
}

/* ========== PAINEL LATERAL ========== */
.side-panel {
    display: flex;
    flex-direction: column;
    gap: 20px;
    min-width: 220px;
}

.pieces-selection {
    background: rgba(0, 0, 0, 0.3);
    padding: 20px;
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.pieces-selection h3 {
    color: #fff;
    font-size: 1.1rem;
    margin-bottom: 8px;
    text-align: center;
}

.pieces-selection .hint {
    color: #888;
    font-size: 0.75rem;
    text-align: center;
    margin-bottom: 15px;
}

.pieces-container {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.piece-option {
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 12px;
    cursor: pointer;
    transition: all 0.2s ease;
    position: relative;
}

.piece-option:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(124, 58, 237, 0.5);
    transform: translateX(5px);
}

.piece-option.selected {
    background: rgba(124, 58, 237, 0.2);
    border-color: #7c3aed;
    box-shadow: 0 0 20px rgba(124, 58, 237, 0.4);
}

.piece-option.used {
    opacity: 0.3;
    pointer-events: none;
}

.piece-option::before {
    content: attr(data-index);
    position: absolute;
    top: 5px;
    left: 8px;
    font-size: 0.7rem;
    color: #666;
    font-weight: bold;
}

.piece-option.selected::before {
    color: #7c3aed;
}

.piece-preview {
    display: grid;
    grid-template-columns: repeat(4, 20px);
    grid-template-rows: repeat(4, 20px);
    gap: 1px;
    justify-content: center;
}

.piece-preview .cell {
    width: 20px;
    height: 20px;
    background: transparent;
    border-radius: 3px;
}

.piece-preview .cell.filled {
    border: 2px solid rgba(255, 255, 255, 0.3);
    box-shadow: inset 0 -1px 2px rgba(0, 0, 0, 0.3),
                inset 0 1px 2px rgba(255, 255, 255, 0.2);
}

/* ========== CONTROLES ========== */
.controls {
    background: rgba(0, 0, 0, 0.3);
    padding: 15px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.controls h3 {
    color: #fff;
    font-size: 1rem;
    margin-bottom: 12px;
}

.controls p {
    color: #aaa;
    font-size: 0.85rem;
    margin: 8px 0;
    display: flex;
    align-items: center;
    gap: 8px;
}

kbd {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 5px;
    padding: 3px 8px;
    font-family: 'Orbitron', monospace;
    font-size: 0.75rem;
    color: #00d4ff;
}

.btn-rotate {
    width: 100%;
    margin-top: 10px;
}

/* ========== BOTÕES ========== */
.buttons {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-top: 25px;
}

.btn {
    background: linear-gradient(135deg, #7c3aed 0%, #5b21b6 100%);
    color: white;
    border: none;
    padding: 12px 28px;
    font-size: 1rem;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: bold;
    font-family: 'Rajdhani', sans-serif;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(124, 58, 237, 0.5);
}

.btn:active {
    transform: translateY(-1px);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    box-shadow: 0 8px 25px rgba(255, 255, 255, 0.1);
}

.btn-large {
    padding: 16px 45px;
    font-size: 1.2rem;
}

/* ========== GAME OVER ========== */
.game-over {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.game-over-content {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    padding: 40px 50px;
    border-radius: 25px;
    text-align: center;
    max-width: 450px;
    width: 90%;
    border: 2px solid rgba(124, 58, 237, 0.3);
    box-shadow: 0 0 60px rgba(124, 58, 237, 0.3);
    animation: slideUp 0.5s ease;
}

@keyframes slideUp {
    from { transform: translateY(50px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.game-over-content h2 {
    font-family: 'Orbitron', sans-serif;
    font-size: 2.5rem;
    color: #ff4757;
    margin-bottom: 25px;
    text-shadow: 0 0 30px rgba(255, 71, 87, 0.5);
}

.final-stats {
    background: rgba(0, 0, 0, 0.3);
    padding: 20px;
    border-radius: 15px;
    margin-bottom: 20px;
}

.player-final {
    color: #888;
    font-size: 1rem;
    margin-bottom: 15px;
    padding-bottom: 15px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.player-final span {
    color: #00d4ff;
    font-weight: bold;
}

.stat-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.stat-row:last-child {
    border-bottom: none;
}

.stat-label {
    color: #888;
    font-size: 0.95rem;
}

.stat-value {
    color: #fff;
    font-size: 1.3rem;
    font-weight: bold;
    font-family: 'Orbitron', sans-serif;
}

.highscores {
    margin: 20px 0;
    padding: 20px;
    background: rgba(255, 215, 0, 0.05);
    border-radius: 15px;
    border: 1px solid rgba(255, 215, 0, 0.2);
}

.highscores h3 {
    color: #ffd700;
    margin-bottom: 15px;
    font-size: 1.1rem;
}

.highscores ol {
    list-style: none;
    color: #fff;
    text-align: left;
    padding: 0;
}

.highscores li {
    padding: 10px 15px;
    margin: 5px 0;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    font-size: 0.9rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.highscores li:first-child {
    background: rgba(255, 215, 0, 0.15);
    border: 1px solid rgba(255, 215, 0, 0.3);
}

.highscores li .rank {
    color: #ffd700;
    font-weight: bold;
    margin-right: 10px;
}

.highscores li .name {
    flex: 1;
    color: #00d4ff;
}

.highscores li .score {
    font-family: 'Orbitron', sans-serif;
    color: #fff;
}

.game-over-buttons {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 20px;
}

/* ========== CORES DAS PEÇAS ========== */
.color-cyan { 
    background: linear-gradient(135deg, #00d4ff, #0099cc) !important; 
    box-shadow: 0 0 10px rgba(0, 212, 255, 0.5);
}
.color-yellow { 
    background: linear-gradient(135deg, #ffeb3b, #ffc107) !important; 
    box-shadow: 0 0 10px rgba(255, 235, 59, 0.5);
}
.color-purple { 
    background: linear-gradient(135deg, #9c27b0, #7b1fa2) !important; 
    box-shadow: 0 0 10px rgba(156, 39, 176, 0.5);
}
.color-green { 
    background: linear-gradient(135deg, #4caf50, #388e3c) !important; 
    box-shadow: 0 0 10px rgba(76, 175, 80, 0.5);
}
.color-red { 
    background: linear-gradient(135deg, #f44336, #d32f2f) !important; 
    box-shadow: 0 0 10px rgba(244, 67, 54, 0.5);
}
.color-blue { 
    background: linear-gradient(135deg, #2196f3, #1976d2) !important; 
    box-shadow: 0 0 10px rgba(33, 150, 243, 0.5);
}
.color-orange { 
    background: linear-gradient(135deg, #ff9800, #f57c00) !important; 
    box-shadow: 0 0 10px rgba(255, 152, 0, 0.5);
}

/* ========== ANIMAÇÕES ========== */
@keyframes lineComplete {
    0% { transform: scale(1); opacity: 1; }
    30% { transform: scale(1.1); background: #fff !important; }
    100% { transform: scale(0); opacity: 0; }
}

.line-complete {
    animation: lineComplete 0.4s ease forwards;
}

@keyframes piecePlaced {
    0% { transform: scale(1.2); }
    50% { transform: scale(0.9); }
    100% { transform: scale(1); }
}

.piece-placed {
    animation: piecePlaced 0.3s ease;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

.shake {
    animation: shake 0.3s ease;
}

/* ========== PARTÍCULAS ========== */
.particles-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 999;
    overflow: hidden;
}

.particle {
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
    animation: particleFall 1s ease-out forwards;
}

@keyframes particleFall {
    0% { 
        opacity: 1; 
        transform: translateY(0) scale(1); 
    }
    100% { 
        opacity: 0; 
        transform: translateY(100px) scale(0); 
    }
}

/* ========== RESPONSIVIDADE MOBILE ========== */
@media (max-width: 750px) {
    body {
        padding: 0;
        align-items: flex-start;
        min-height: 100vh;
        min-height: 100dvh;
    }
    
    .game-container {
        padding: 8px;
        border-radius: 0;
        width: 100%;
        max-width: 100%;
        min-height: 100vh;
        min-height: 100dvh;
    }
    
    .header {
        margin-bottom: 5px;
    }
    
    .header h1 {
        font-size: 1.2rem;
        margin-bottom: 0;
    }
    
    .player-name {
        font-size: 0.75rem;
        margin-top: 2px;
    }
    
    .game-info {
        gap: 5px;
        margin-bottom: 5px;
    }
    
    .info-box {
        padding: 5px 8px;
        min-width: auto;
        flex: 1;
    }
    
    .info-box .value {
        font-size: 1.1rem;
    }
    
    .info-box .label {
        font-size: 0.6rem;
    }
    
    .main-area {
        flex-direction: column;
        align-items: center;
        gap: 8px;
    }
    
    .game-board {
        grid-template-columns: repeat(10, 16px);
        grid-template-rows: repeat(20, 16px);
        gap: 1px;
        padding: 3px;
    }
    
    .game-board .cell {
        width: 16px;
        height: 16px;
        border-radius: 2px;
    }
    
    .side-panel {
        width: 100%;
        max-width: 100%;
        gap: 5px;
        display: flex !important;
        flex-direction: column;
    }
    
    .pieces-selection {
        padding: 8px;
        display: block !important;
    }
    
    .pieces-selection h3 {
        font-size: 0.9rem;
        margin-bottom: 3px;
    }
    
    .pieces-selection .hint {
        font-size: 0.7rem;
        margin-bottom: 5px;
    }
    
    .pieces-container {
        flex-direction: row;
        justify-content: center;
        gap: 8px;
        display: flex !important;
    }
    
    .piece-option {
        flex: 1;
        max-width: 80px;
        padding: 5px;
        display: block !important;
    }
    
    .piece-preview {
        grid-template-columns: repeat(4, 12px);
        grid-template-rows: repeat(4, 12px);
        display: grid !important;
    }
    
    .piece-preview .cell {
        width: 12px;
        height: 12px;
    }
    
    .controls {
        display: none;
    }
    
    .btn-rotate {
        display: block !important;
        padding: 10px 20px;
        font-size: 1rem;
        width: 100%;
        margin-top: 5px;
        background: linear-gradient(135deg, #00d4ff, #7c3aed);
    }
    
    .buttons {
        gap: 8px;
        margin-top: 8px;
        flex-wrap: wrap;
    }
    
    .btn {
        padding: 8px 15px;
        font-size: 0.8rem;
        flex: 1;
    }
    
    .start-content {
        padding: 20px;
    }
    
    .name-input-container input {
        width: 100%;
        max-width: 250px;
        padding: 12px 20px;
        font-size: 1.1rem;
    }
    
    .btn-start {
        padding: 15px 35px;
        font-size: 1.1rem;
    }
    
    .start-highscores {
        padding: 15px 20px;
        margin-top: 25px;
    }
    
    .game-over-content {
        padding: 25px 20px;
        max-width: 95%;
    }
    
    .game-over-content h2 {
        font-size: 1.8rem;
    }
    
    .final-stats {
        padding: 15px;
    }
    
    .stat-value {
        font-size: 1.1rem;
    }
    
    .highscores {
        padding: 15px;
    }
    
    .level-up-content {
        padding: 25px 40px;
    }
    
    .level-up-number {
        font-size: 3.5rem;
    }
    
    .level-up-text {
        font-size: 1.2rem;
    }
}

/* Celulares pequenos */
@media (max-width: 380px) {
    .game-board {
        grid-template-columns: repeat(10, 22px);
        grid-template-rows: repeat(20, 22px);
    }
    
    .game-board .cell {
        width: 22px;
        height: 22px;
    }
    
    .game-title {
        font-size: 1.6rem;
    }
    
    .subtitle {
        font-size: 0.75rem;
        letter-spacing: 2px;
    }
    
    .piece-preview {
        grid-template-columns: repeat(4, 14px);
        grid-template-rows: repeat(4, 14px);
    }
    
    .piece-preview .cell {
        width: 14px;
        height: 14px;
    }
    
    .info-box .value {
        font-size: 1.2rem;
    }
}

/* Landscape mobile */
@media (max-height: 600px) and (orientation: landscape) {
    body {
        align-items: flex-start;
        padding: 5px;
    }
    
    .main-area {
        flex-direction: row;
        align-items: flex-start;
    }
    
    .game-board {
        grid-template-columns: repeat(10, 20px);
        grid-template-rows: repeat(20, 20px);
    }
    
    .game-board .cell {
        width: 20px;
        height: 20px;
    }
    
    .game-container {
        padding: 10px;
    }
    
    .header {
        margin-bottom: 10px;
    }
    
    .header h1 {
        font-size: 1.2rem;
    }
    
    .game-info {
        margin-bottom: 10px;
    }
    
    .info-box {
        padding: 5px 10px;
    }
    
    .info-box .value {
        font-size: 1rem;
    }
    
    .side-panel {
        min-width: 150px;
    }
    
    .pieces-container {
        flex-direction: column;
    }
    
    .buttons {
        margin-top: 10px;
    }
}

/* Touch-friendly - apenas botões maiores */
@media (hover: none) and (pointer: coarse) {
    .piece-option {
        min-height: 70px;
    }
    
    .btn {
        min-height: 48px;
    }
    
    .btn-rotate {
        padding: 18px;
        font-size: 1.2rem;
    }
}