/* Reset e Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    transition: all 0.3s ease;
}

body.dark {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
}

/* Tipografia */
.game-title {
    font-family: 'Press Start 2P', cursive;
    text-shadow: 4px 4px 0px rgba(0,0,0,0.3);
}

/* Cards */
.card-game {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    border: 3px solid #d97706;
    box-shadow: 0 10px 40px rgba(0,0,0,0.3);
    transition: all 0.3s ease;
}

body.dark .card-game {
    background: rgba(30, 30, 50, 0.95);
    border-color: #60a5fa;
}

.card-game:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 50px rgba(0,0,0,0.4);
}

/* Botões */
.btn-game {
    background: linear-gradient(135deg, #ea580c 0%, #dc2626 100%);
    box-shadow: 0 4px 15px rgba(234, 88, 12, 0.4);
    transition: all 0.3s ease;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn-game:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 25px rgba(234, 88, 12, 0.6);
}

body.dark .btn-game {
    background: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.4);
}

/* Navegação */
.nav-game {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 3px solid #d97706;
}

body.dark .nav-game {
    background: rgba(20, 20, 35, 0.95);
    border-bottom-color: #60a5fa;
}

.nav-btn {
    color: #1f2937;
    transition: all 0.3s ease;
}

body.dark .nav-btn {
    color: #ffffff;
}

.nav-btn:hover {
    color: #ea580c;
}

body.dark .nav-btn:hover {
    color: #60a5fa;
}

/* Botão Voltar */
.back-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: rgba(255, 255, 255, 0.95);
    border: 2px solid #d97706;
    border-radius: 12px;
    font-weight: 700;
    color: #1f2937;
    transition: all 0.3s ease;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

body.dark .back-btn {
    background: rgba(30, 30, 50, 0.95);
    border-color: #60a5fa;
    color: #ffffff;
}

.back-btn:hover {
    transform: translateX(-5px);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.2);
}

/* Resultado */
.result-text {
    font-size: 3rem;
    font-weight: 900;
    background: linear-gradient(135deg, #ea580c 0%, #dc2626 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: pulse 2s infinite;
}

body.dark .result-text {
    background: linear-gradient(135deg, #60a5fa 0%, #a78bfa 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.8; }
}

/* Lista de Números */
.number-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
    margin-top: 20px;
}

.number-badge {
    background: linear-gradient(135deg, #8b5cf6 0%, #ec4899 100%);
    color: white;
    padding: 8px 16px;
    border-radius: 20px;
    font-weight: 700;
    box-shadow: 0 4px 10px rgba(139, 92, 246, 0.3);
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: scale(0.5); }
    to { opacity: 1; transform: scale(1); }
}

/* Inputs */
.input-game {
    border: 3px solid #d97706;
    font-size: 1.2rem;
    font-weight: 600;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.95);
    color: #1f2937;
}

body.dark .input-game {
    border-color: #60a5fa;
    background: rgba(30, 30, 50, 0.9);
    color: white;
}

.input-game:focus {
    border-color: #ea580c;
    box-shadow: 0 0 20px rgba(234, 88, 12, 0.3);
}

body.dark .input-game:focus {
    border-color: #a78bfa;
    box-shadow: 0 0 20px rgba(167, 139, 250, 0.3);
}

.input-game::placeholder {
    color: #6b7280;
}

body.dark .input-game::placeholder {
    color: #9ca3af;
}

/* Canvas Container */
.canvas-container {
    margin: 0 auto;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

/* Responsividade */
@media (max-width: 768px) {
    .game-title {
        font-size: 1rem;
    }
    
    .result-text {
        font-size: 2rem;
    }
}

@media (max-width: 640px) {
    body {
        font-size: 14px;
    }
    
    .card-game {
        border-width: 2px;
    }
    
    .number-badge {
        padding: 6px 12px;
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .result-text {
        font-size: 1.75rem;
    }
}

@media (max-width: 375px) {
    .game-title {
        font-size: 0.85rem;
    }
    
    .card-game {
        padding: 1rem !important;
    }
    
    .btn-game, .back-btn {
        padding: 10px 16px;
        font-size: 0.85rem;
    }
    
    .result-text {
        font-size: 1.5rem;
    }
    
    .number-badge {
        padding: 5px 10px;
        font-size: 0.8rem;
    }
}