:root {
    --primary-color: #FF006E;
    --secondary-color: #FB5607;
    --accent-color: #FFBE0B;
    --purple-color: #8338EC;
    --blue-color: #3A86FF;
    --bg-dark: #0a0a0a;
    --bg-darker: #050505;
    --text-light: #ffffff;
    --text-dim: #cccccc;
    --border-glow: rgba(255, 0, 110, 0.5);
    --success-color: #00ff88;
    --danger-color: #ff3366;
}

/* Tema Retro (padrão) */
body.retro {
    --primary-color: #FF006E;
    --secondary-color: #FB5607;
    --accent-color: #FFBE0B;
    --purple-color: #8338EC;
    --blue-color: #3A86FF;
    --bg-dark: #0a0a0a;
    --bg-darker: #050505;
    --text-light: #ffffff;
    --text-dim: #cccccc;
    --border-glow: rgba(255, 0, 110, 0.5);
    --success-color: #00ff88;
    --danger-color: #ff3366;
}

/* Tema Neon */
body.neon {
    --primary-color: #00ffff;
    --secondary-color: #ff00ff;
    --accent-color: #ffff00;
    --purple-color: #7d2cff;
    --blue-color: #00ccff;
    --bg-dark: #000510;
    --bg-darker: #000309;
    --text-light: #e8faff;
    --text-dim: #a6d8e5;
    --border-glow: rgba(0, 255, 255, 0.5);
    --success-color: #00ffb3;
    --danger-color: #ff3fb3;
}

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

html body {
    scroll-behavior: smooth;
    overflow-x: hidden;
    overflow-y: hidden;
}

body {
    font-family: 'Courier New', monospace;
    background: var(--bg-dark);
    color: var(--text-light);
    overflow-x: hidden;
    min-height: 100vh;
    position: relative;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(255, 0, 110, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(131, 56, 236, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 80%, rgba(58, 134, 255, 0.1) 0%, transparent 50%);
    z-index: -2;
    animation: backgroundShift 20s ease-in-out infinite;
}

@keyframes backgroundShift {
    0%, 100% { transform: translateX(0) translateY(0); }
    25% { transform: translateX(-10px) translateY(-5px); }
    50% { transform: translateX(10px) translateY(5px); }
    75% { transform: translateX(-5px) translateY(10px); }
}

body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle, rgba(255, 255, 255, 0.1) 1px, transparent 1px);
    background-size: 50px 50px;
    z-index: -1;
    animation: stars 30s linear infinite;
}

@keyframes stars {
    0% { transform: translateY(0); }
    100% { transform: translateY(-50px); }
}

#app {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    padding-bottom: 80px;
}

.game-header {
    padding: 1rem;
    background: linear-gradient(135deg, var(--bg-darker), var(--bg-dark));
    border-bottom: 2px solid var(--border-glow);
    box-shadow: 0 4px 20px rgba(255, 0, 110, 0.3);
    text-align: center;
    position: sticky;
    top: 0;
    z-index: 100;
}

.game-header h1 {
    font-size: 1.5rem;
    background: linear-gradient(45deg, var(--primary-color), var(--purple-color));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 0 20px rgba(255, 0, 110, 0.5);
    margin-bottom: 0.5rem;
}

.header-logo {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    justify-content: center;
}

#logo-canvas {
    display: inline-block;
}

.score-display {
    display: flex;
    justify-content: space-between;
    font-size: 0.9rem;
    color: var(--accent-color);
}

.game-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 1rem;
    max-width: 900px;
    margin: 0 auto;
    width: 100%;
}

.screen {
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 60vh;
}

.screen.active {
    display: flex;
}

.menu-content {
    text-align: center;
    max-width: 400px;
    width: 100%;
}

.game-logo h2 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color), var(--accent-color));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: glow 2s ease-in-out infinite alternate;
}

@keyframes glow {
    from { filter: drop-shadow(0 0 5px rgba(255, 0, 110, 0.5)); }
    to { filter: drop-shadow(0 0 20px rgba(255, 0, 110, 0.8)); }
}

.subtitle {
    color: var(--text-dim);
    margin-bottom: 2rem;
    font-size: 1rem;
}

.menu-buttons {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.menu-btn {
    padding: 1rem 2rem;
    border: 2px solid var(--border-glow);
    background: linear-gradient(135deg, var(--bg-darker), var(--bg-dark));
    color: var(--text-light);
    font-family: inherit;
    font-size: 1rem;
    cursor: pointer;
    border-radius: 10px;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    position: relative;
    overflow: hidden;
}

.menu-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left 0.5s ease;
}

.menu-btn:hover::before {
    left: 100%;
}

.menu-btn:hover {
    border-color: var(--primary-color);
    box-shadow: 0 0 20px rgba(255, 0, 110, 0.4);
    transform: translateY(-2px);
}

.menu-btn.primary {
    background: linear-gradient(135deg, var(--primary-color), var(--purple-color));
    border-color: var(--primary-color);
}

.menu-btn.primary:hover {
    box-shadow: 0 0 30px rgba(255, 0, 110, 0.6);
}

.menu-btn.danger {
    border-color: var(--danger-color);
    color: var(--danger-color);
}

.menu-btn.danger:hover {
    background: var(--danger-color);
    color: white;
    box-shadow: 0 0 20px rgba(255, 51, 102, 0.4);
}

.game-area {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
}

#game-canvas {
    border: 2px solid var(--border-glow);
    border-radius: 10px;
    background: var(--bg-darker);
    max-width: 100%;
    height: auto;
    box-shadow: 0 0 30px rgba(255, 0, 110, 0.3);
}

.game-hud {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    max-width: 800px;
    padding: 1rem;
    background: linear-gradient(135deg, var(--bg-darker), var(--bg-dark));
    border: 1px solid var(--border-glow);
    border-radius: 10px;
    margin-top: 1rem;
}

.hud-item {
    color: var(--accent-color);
    font-weight: bold;
}

.hud-btn {
    background: var(--bg-darker);
    border: 1px solid var(--border-glow);
    color: var(--text-light);
    padding: 0.5rem;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.hud-btn:hover {
    border-color: var(--primary-color);
    box-shadow: 0 0 10px rgba(255, 0, 110, 0.4);
}

.mobile-controls {
    display: flex;
    justify-content: center;
    margin-top: 1rem;
    width: 100%;
}

.control-row {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 1rem; /* Direcionais próximos */
    width: 100%; /* Usar largura maior disponível */
    max-width: 900px; /* Limite para telas grandes */
    padding: 0 1rem;
}

/* Ordem dos controles sempre que estiverem visíveis: Esquerda - Direita - Disparo */
#move-left-btn { order: 1; }
#move-right-btn { order: 2; }
#shoot-btn { order: 3; margin-left: auto; } /* Tiro no outro extremo */

.control-btn {
    width: 60px;
    height: 60px;
    border: 2px solid var(--border-glow);
    background: linear-gradient(135deg, var(--bg-darker), var(--bg-dark));
    color: var(--text-light);
    border-radius: 50%;
    font-size: 1.2rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    user-select: none;
    touch-action: manipulation;
}

.control-btn:hover,
.control-btn:active {
    border-color: var(--primary-color);
    box-shadow: 0 0 15px rgba(255, 0, 110, 0.4);
    transform: scale(1.1);
}

.control-btn.shoot {
    background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
    width: 80px;
    height: 80px;
    font-size: 1.5rem;
}

.instructions-content,
.settings-content,
.scores-content {
    max-width: 600px;
    width: 100%;
    text-align: left;
}

.scores-content .menu-btn {
    margin-top: 0.5rem;
}

.instructions-content h2,
.settings-content h2,
.scores-content h2 {
    text-align: center;
    margin-bottom: 2rem;
    color: var(--accent-color);
}

.instruction-group {
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: linear-gradient(135deg, var(--bg-darker), var(--bg-dark));
    border: 1px solid var(--border-glow);
    border-radius: 10px;
}

.instruction-group h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.instruction-group ul {
    list-style: none;
    padding-left: 0;
}

.instruction-group li {
    margin: 0.5rem 0;
    padding-left: 1rem;
}

.instruction-group li::before {
    content: '▶';
    color: var(--accent-color);
    margin-right: 0.5rem;
}

kbd {
    background: var(--bg-darker);
    border: 1px solid var(--border-glow);
    border-radius: 3px;
    padding: 0.2rem 0.4rem;
    font-family: inherit;
    font-size: 0.9rem;
    color: var(--accent-color);
}

.setting-group {
    margin-bottom: 1.5rem;
}

.setting-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background: linear-gradient(135deg, var(--bg-darker), var(--bg-dark));
    border: 1px solid var(--border-glow);
    border-radius: 10px;
    cursor: pointer;
}

.setting-item input[type="checkbox"] {
    display: none;
}

.toggle-slider {
    width: 50px;
    height: 25px;
    background: var(--bg-darker);
    border: 1px solid var(--border-glow);
    border-radius: 25px;
    position: relative;
    transition: all 0.3s ease;
}

.toggle-slider::after {
    content: '';
    width: 20px;
    height: 20px;
    background: var(--text-light);
    border-radius: 50%;
    position: absolute;
    top: 2px;
    left: 2px;
    transition: all 0.3s ease;
}

.setting-item input[type="checkbox"]:checked + .toggle-slider {
    background: var(--primary-color);
    border-color: var(--primary-color);
}

.setting-item input[type="checkbox"]:checked + .toggle-slider::after {
    transform: translateX(25px);
}

.setting-item select {
    background: var(--bg-darker);
    border: 1px solid var(--border-glow);
    color: var(--text-light);
    padding: 0.5rem;
    border-radius: 5px;
    font-family: inherit;
}

.scores-list {
    background: linear-gradient(135deg, var(--bg-darker), var(--bg-dark));
    border: 1px solid var(--border-glow);
    border-radius: 10px;
    padding: 1rem;
    margin-bottom: 1rem;
    min-height: 200px;
}

.scores-summary {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0;
    color: var(--text-dim);
    font-size: 0.9rem;
}

.scores-header {
    display: grid;
    grid-template-columns: 60px 1fr 100px 110px;
    gap: 0.5rem;
    padding: 0.5rem 0;
    border-bottom: 1px solid rgba(255, 0, 110, 0.2);
    color: var(--text-dim);
    font-size: 0.85rem;
}

.score-item {
    display: grid;
    grid-template-columns: 60px 1fr 100px 110px;
    gap: 0.5rem;
    align-items: center;
    padding: 0.6rem 0;
    border-bottom: 1px solid rgba(255, 0, 110, 0.15);
}

.score-item:last-child {
    border-bottom: none;
}

.score-rank {
    color: var(--accent-color);
    font-weight: bold;
    width: 30px;
}

.score-details {
    color: var(--text-light);
}

.score-level {
    color: var(--primary-color);
    font-weight: 600;
}

.score-value {
    color: var(--primary-color);
    font-weight: bold;
}

.score-date {
    color: var(--text-dim);
    font-size: 0.85rem;
}

.badge {
    display: inline-block;
    padding: 0.2rem 0.5rem;
    border: 1px solid var(--border-glow);
    border-radius: 999px;
    font-size: 0.75rem;
    color: var(--accent-color);
}

.score-item.top1 .score-rank { color: #ffd700; }
.score-item.top2 .score-rank { color: #c0c0c0; }
.score-item.top3 .score-rank { color: #cd7f32; }

.faq-section {
    margin-top: 2rem;
    padding: 1rem;
}

.faq-section h2 {
    text-align: center;
    color: var(--accent-color);
    margin-bottom: 1.5rem;
}

.faq-container {
    max-width: 600px;
    margin: 0 auto;
}

.faq-item {
    margin-bottom: 1rem;
    border: 1px solid var(--border-glow);
    border-radius: 10px;
    overflow: hidden;
    background: linear-gradient(135deg, var(--bg-darker), var(--bg-dark));
}

.faq-question {
    width: 100%;
    padding: 1rem;
    background: none;
    border: none;
    color: var(--text-light);
    font-family: inherit;
    font-size: 1rem;
    text-align: left;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.3s ease;
}

.faq-question:hover {
    background: rgba(255, 0, 110, 0.1);
}

.faq-icon {
    color: var(--primary-color);
    font-size: 1.2rem;
    font-weight: bold;
    transition: transform 0.3s ease;
}

.faq-question[aria-expanded="true"] .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    padding: 0 1rem;
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
    background: rgba(0, 0, 0, 0.2);
}

.faq-answer:not([hidden]) {
    padding: 1rem;
    max-height: 200px;
}

.faq-answer p {
    color: var(--text-dim);
    line-height: 1.5;
}

.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    z-index: 1000;
    backdrop-filter: blur(5px);
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: linear-gradient(135deg, var(--bg-darker), var(--bg-dark));
    border: 2px solid var(--border-glow);
    border-radius: 15px;
    padding: 2rem;
    max-width: 400px;
    width: 90%;
    text-align: center;
    box-shadow: 0 0 50px rgba(255, 0, 110, 0.4);
}

.modal-content h2 {
    color: var(--accent-color);
    margin-bottom: 1rem;
}

.game-over-stats {
    margin: 1.5rem 0;
    padding: 1rem;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 10px;
}

.game-over-stats p {
    margin: 0.5rem 0;
    color: var(--text-dim);
}

.new-record {
    color: var(--success-color) !important;
    font-weight: bold;
    animation: pulse 1s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

.modal-buttons {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(135deg, var(--bg-darker), var(--bg-dark));
    border-top: 2px solid var(--border-glow);
    display: flex;
    justify-content: space-around;
    padding: 0.5rem;
    z-index: 1000;
    box-shadow: 0 -4px 20px rgba(255, 0, 110, 0.3);
    border-bottom: 3px solid var(--border-glow);
  
}

.nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-decoration: none;
    color: var(--text-dim);
    font-size: 0.8rem;
    transition: all 0.3s ease;
    padding: 0.5rem;
    border-radius: 10px;
    min-width: 60px;
}

.nav-item i {
    font-size: 1.2rem;
    margin-bottom: 0.2rem;
}

.nav-item:hover,
.nav-item.active {
    color: var(--primary-color);
    background: rgba(255, 0, 110, 0.1);
    transform: translateY(-2px);
}

footer {
    text-align: center;
    padding: 1rem;
    background: var(--bg-darker);
    color: var(--text-dim);
    font-size: 0.8rem;
    border-top: 1px solid var(--border-glow);
    margin-top: auto;
   
}

footer a {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 600;
}

footer a:hover {
    color: var(--primary-color);
}

/* Botão de retorno/ação nas páginas auxiliares */
.nav-button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.8rem 1.6rem;
    background: linear-gradient(135deg, var(--bg-darker), var(--bg-dark));
    color: var(--text-light);
    text-decoration: none;
    border-radius: 25px;
    font-weight: 600;
    border: 1px solid var(--border-glow);
    transition: all 0.3s ease;
}

.nav-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(255, 0, 110, 0.25);
}

.nav-button.primary {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: #000;
}

.nav-button.primary:hover {
    box-shadow: 0 6px 24px rgba(255, 190, 11, 0.35);
}

@media (max-width: 768px) {
    .game-header h1 {
        font-size: 1.2rem;
    }
    
    .score-display {
        font-size: 0.8rem;
    }
    
    .game-logo h2 {
        font-size: 1.5rem;
    }
    
    .menu-btn {
        padding: 0.8rem 1.5rem;
        font-size: 0.9rem;
    }
    
    #game-canvas {
        width: 100%;
        height: auto;
    }
    
    .game-hud {
        padding: 0.5rem;
        font-size: 0.9rem;
    }
    
    .control-btn {
        width: 50px;
        height: 50px;
        font-size: 1rem;
    }
    
    .control-btn.shoot {
        width: 70px;
        height: 70px;
        font-size: 1.3rem;
    }
    
    .modal-content {
        padding: 1.5rem;
        margin: 1rem;
    }
    
    .instruction-group,
    .setting-item {
        padding: 0.8rem;
    }
}

@media (max-width: 480px) {
    .game-container {
        padding: 0.5rem;
    }
    
    .game-logo h2 {
        font-size: 1.3rem;
    }
    
    .subtitle {
        font-size: 0.9rem;
    }
    
    .menu-btn {
        padding: 0.7rem 1rem;
        font-size: 0.8rem;
    }
    
    .control-row {
        gap: 2.5rem;
    }
    
    .control-btn {
        width: 45px;
        height: 45px;
        font-size: 0.9rem;
    }
    
    .control-btn.shoot {
        width: 60px;
        height: 60px;
        font-size: 1.1rem;
    }
    
    .faq-question {
        font-size: 0.9rem;
        padding: 0.8rem;
    }
    
    .nav-item {
        font-size: 0.7rem;
        padding: 0.3rem;
    }
    
    .nav-item i {
        font-size: 1rem;
    }

}

@media (min-width: 1024px) {
    .game-container {
        max-width: 1200px;
    }
    
    .mobile-controls {
        display: none;
    }
    
    .menu-content {
        max-width: 500px;
    }
    
    .game-logo h2 {
        font-size: 2.5rem;
    }
    
    .instructions-content,
    .settings-content,
    .scores-content {
        max-width: 800px;
    }
}