@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@600;800;900&family=Press+Start+2P&family=Roboto:wght@400;500;700&display=swap');

:root {
    --inv-green: #00ff66;
    --inv-green-glow: rgba(0, 255, 102, 0.4);
    --inv-red: #ff3344;
    --inv-yellow: #ffff00;
    --inv-cyan: #00ffff;
    --inv-purple: #bd93f9;
    --bg-dark: #05060c;
    --border-neon: rgba(0, 255, 102, 0.6);
    --font-retro: 'Press Start 2P', monospace;
    --font-orbitron: 'Orbitron', sans-serif;
    --font-body: 'Roboto', sans-serif;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
}

html, body {
    width: 100%;
    min-height: 100vh;
    background-color: var(--bg-dark);
    font-family: var(--font-body);
    color: #ffffff;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    overflow-x: hidden;
}

/* =========================================
   GABINETE ARCADE
   ========================================= */
.arcade-container {
    width: 100%;
    max-width: 500px;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    margin: 0 auto;
}

.arcade-header {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 6px;
    border-bottom: 2px solid var(--border-neon);
}

.brand-section {
    display: flex;
    align-items: center;
    gap: 8px;
}

.brand-logo {
    height: 32px;
    width: auto;
    object-fit: contain;
    filter: drop-shadow(0 0 6px rgba(0, 255, 102, 0.4));
}

.arcade-title {
    font-family: var(--font-retro);
    font-size: 1rem;
    color: var(--inv-green);
    text-shadow: 0 0 10px rgba(0, 255, 102, 0.7);
    letter-spacing: 1.5px;
}

.header-actions {
    display: flex;
    gap: 6px;
}

/* PLACAR ARCADE RETRÔ */
.score-board {
    width: 100%;
    display: flex;
    justify-content: space-around;
    background: rgba(8, 12, 24, 0.92);
    border: 1px solid var(--border-neon);
    border-radius: 8px;
    padding: 8px 6px;
    box-shadow: 0 0 15px rgba(0, 255, 102, 0.15);
}

.score-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.score-label {
    font-family: var(--font-retro);
    font-size: 0.65rem;
    color: var(--inv-red);
    letter-spacing: 1px;
}

.high-score-label {
    color: var(--inv-yellow);
}

.wave-label {
    color: var(--inv-cyan);
}

.score-value {
    font-family: var(--font-retro);
    font-size: 0.85rem;
    color: #ffffff;
    letter-spacing: 1.5px;
}

/* TELA DO JOGO (CANVAS RETRÔ CRT) */
.arcade-screen {
    position: relative;
    background: #000;
    border: 3px solid var(--inv-green);
    border-radius: 10px;
    box-shadow: 0 0 25px rgba(0, 255, 102, 0.35), inset 0 0 20px rgba(0, 0, 0, 0.9);
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    touch-action: none;
    width: 100%;
}

#space-canvas {
    display: block;
    width: 480px;
    height: 600px;
    max-width: 100%;
    max-height: 100%;
    aspect-ratio: 4 / 5;
    object-fit: contain;
    image-rendering: pixelated;
    image-rendering: crisp-edges;
    background-color: #000000;
    background-image: radial-gradient(circle, rgba(20, 25, 45, 0.8) 0%, rgba(0, 0, 0, 0.95) 100%);
}

/* BARRA DE AÇÕES E VIDAS */
.arcade-controls-bar {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 8px;
    flex-wrap: nowrap;
}

.btn-arcade {
    font-family: var(--font-retro);
    font-size: 0.65rem;
    background: rgba(10, 20, 35, 0.95);
    color: var(--inv-green);
    border: 2px solid var(--inv-green);
    border-radius: 6px;
    padding: 7px 12px;
    cursor: pointer;
    text-transform: uppercase;
    transition: all 0.15s ease;
    box-shadow: 0 2px 8px rgba(0, 255, 102, 0.2);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    white-space: nowrap;
    touch-action: manipulation;
}

.btn-arcade:hover {
    background: var(--inv-green);
    color: #000;
    box-shadow: 0 0 15px var(--inv-green);
    transform: translateY(-2px);
}

.btn-arcade:active {
    transform: translateY(0);
}

.btn-secondary {
    color: var(--inv-cyan);
    border-color: var(--inv-cyan);
    box-shadow: 0 2px 8px rgba(0, 255, 255, 0.2);
}

.btn-secondary:hover {
    background: var(--inv-cyan);
    color: #000;
    box-shadow: 0 0 15px var(--inv-cyan);
}

.lives-indicator {
    display: flex;
    align-items: center;
    gap: 6px;
    font-family: var(--font-retro);
    font-size: 0.65rem;
    color: var(--inv-green);
}

.lives-label {
    letter-spacing: 1px;
}

.lives-icons {
    display: flex;
    align-items: center;
    gap: 5px;
}

.lives-icon {
    display: inline-block;
    width: 14px;
    height: 10px;
    background: var(--inv-green);
    clip-path: polygon(45% 0, 55% 0, 55% 30%, 85% 30%, 100% 70%, 100% 100%, 0 100%, 0 70%, 15% 30%, 45% 30%);
}

.desktop-only {
    display: inline;
}

/* =========================================
   CONTROLES TOUCH PARA CELULAR
   ========================================= */
.touch-controls {
    display: none; /* Ativado via media query em celulares */
    width: 100%;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
    margin-top: 4px;
    touch-action: none;
}

.dpad-group {
    display: flex;
    gap: 8px;
}

.touch-btn {
    font-family: var(--font-retro);
    background: rgba(15, 25, 45, 0.9);
    border: 2px solid var(--border-neon);
    border-radius: 10px;
    color: var(--inv-green);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.5), inset 0 2px 4px rgba(255, 255, 255, 0.1);
    transition: all 0.1s ease;
    touch-action: manipulation;
    -webkit-touch-callout: none;
}

.touch-btn-nav {
    width: 60px;
    height: 52px;
    font-size: 1.4rem;
}

.touch-btn-fire {
    flex: 1;
    height: 52px;
    max-width: 180px;
    border-color: var(--inv-red);
    color: #ffffff;
    font-size: 0.75rem;
    letter-spacing: 1px;
    background: rgba(45, 15, 25, 0.9);
    box-shadow: 0 4px 12px rgba(255, 51, 68, 0.3);
}

.touch-btn:active {
    background: var(--inv-green);
    color: #000;
    box-shadow: 0 0 15px var(--inv-green);
    transform: scale(0.94);
}

.touch-btn-fire:active {
    background: var(--inv-red);
    color: #fff;
    box-shadow: 0 0 20px var(--inv-red);
    transform: scale(0.94);
}

/* =========================================
   MODAL DE AJUDA / REGRAS
   ========================================= */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(5px);
    z-index: 999;
    display: none;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.92);
    background-color: #0d1222;
    border: 2px solid var(--inv-green);
    border-radius: 14px;
    padding: 1.5rem;
    z-index: 1000;
    width: 90%;
    max-width: 440px;
    max-height: 85dvh;
    overflow-y: auto;
    box-shadow: 0 0 35px rgba(0, 255, 102, 0.3);
    display: none;
    opacity: 0;
    transition: all 0.3s ease;
}

.modal-overlay.active, .modal.active {
    display: block;
    opacity: 1;
}

.modal.active {
    transform: translate(-50%, -50%) scale(1);
}

.modal-content {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.modal-content h2 {
    font-family: var(--font-retro);
    color: var(--inv-green);
    font-size: 0.85rem;
    text-align: center;
    line-height: 1.5;
}

.close-btn {
    position: absolute;
    top: 10px;
    right: 15px;
    font-size: 1.6rem;
    color: #fff;
    cursor: pointer;
}

.modal-body {
    font-size: 0.8rem;
    color: #c0c6db;
    line-height: 1.5;
}

.modal-body p {
    margin-bottom: 0.6rem;
}

.score-table {
    background: rgba(0, 0, 0, 0.6);
    border: 1px solid rgba(0, 255, 102, 0.3);
    border-radius: 8px;
    padding: 8px 12px;
    margin: 0.8rem 0;
}

.score-table h3 {
    font-family: var(--font-retro);
    font-size: 0.65rem;
    color: var(--inv-yellow);
    text-align: center;
    margin-bottom: 6px;
}

.score-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 4px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    font-size: 0.75rem;
}

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

.score-icon {
    font-size: 1rem;
}

.score-desc {
    font-weight: 500;
}

.score-pts {
    font-family: var(--font-retro);
    font-size: 0.6rem;
    color: var(--inv-green);
}

.modal-body ul {
    padding-left: 1.2rem;
    margin-top: 0.3rem;
    margin-bottom: 0.6rem;
}

.modal-body li {
    margin-bottom: 0.3rem;
}

/* =========================================
   RODAPÉ
   ========================================= */
.footer-clean {
    width: 100%;
    padding: 2rem 0 1rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin-top: auto;
}

.footer-clean span {
    font-size: 0.65rem;
    color: rgba(255, 255, 255, 0.3);
    letter-spacing: 0.25em;
    text-transform: uppercase;
    font-weight: 600;
}

/* =========================================
   RESPONSIVIDADE (MOBILE & TOUCH — 100dvh NO SCROLL)
   ========================================= */
@media (max-width: 768px) {
    html, body {
        height: 100%;
        height: 100dvh;
        overflow: hidden;
        position: fixed;
        width: 100%;
        touch-action: none;
    }

    .desktop-only {
        display: none !important;
    }

    .footer-clean {
        display: none !important;
    }

    .arcade-container {
        width: 100%;
        height: 100%;
        height: 100dvh;
        max-height: 100dvh;
        padding: 6px 8px calc(env(safe-area-inset-bottom, 6px) + 2px) 8px;
        display: flex;
        flex-direction: column;
        justify-content: space-between;
        align-items: center;
        gap: 4px;
        box-sizing: border-box;
        overflow: hidden;
    }

    /* Cabeçalho Compacto */
    .arcade-header {
        padding-bottom: 4px;
        gap: 6px;
        flex-shrink: 0;
    }

    .brand-logo {
        height: 24px;
    }

    .arcade-title {
        font-size: 0.9rem;
        letter-spacing: 1px;
    }

    .header-actions {
        display: flex;
        gap: 4px;
    }

    .header-actions .btn-arcade {
        padding: 4px 8px;
        font-size: 0.55rem;
    }

    /* Placar Compacto */
    .score-board {
        padding: 3px 6px;
        flex-shrink: 0;
        box-shadow: 0 0 10px rgba(0, 255, 102, 0.15);
    }

    .score-box {
        gap: 2px;
    }

    .score-label {
        font-size: 0.55rem;
    }

    .score-value {
        font-size: 0.8rem;
        letter-spacing: 1px;
    }

    /* Tela de Jogo Flexível e Responsiva (Canvas Auto-Fit) */
    .arcade-screen {
        flex: 1 1 0;
        min-height: 0;
        min-width: 0;
        width: 100%;
        border-width: 2px;
        border-radius: 8px;
        box-shadow: 0 0 15px rgba(0, 255, 102, 0.25), inset 0 0 12px rgba(0, 0, 0, 0.9);
        display: flex;
        justify-content: center;
        align-items: center;
        overflow: hidden;
    }

    #space-canvas {
        max-width: 100%;
        max-height: 100%;
        width: auto;
        height: auto;
        aspect-ratio: 4 / 5;
        object-fit: contain;
        image-rendering: pixelated;
        image-rendering: crisp-edges;
        border-radius: 4px;
    }

    /* Barra de Ações em Linha Única */
    .arcade-controls-bar {
        margin-top: 0;
        gap: 6px;
        flex-wrap: nowrap;
        flex-shrink: 0;
        width: 100%;
        justify-content: space-between;
    }

    .arcade-controls-bar .btn-arcade {
        padding: 5px 10px;
        font-size: 0.6rem;
        flex: 0 1 auto;
    }

    .lives-indicator {
        font-size: 0.55rem;
    }

    .lives-icon {
        width: 12px;
        height: 8px;
    }

    /* Controles Touch Ergonômicos */
    .touch-controls {
        display: flex;
        margin-top: 2px;
        margin-bottom: 2px;
        gap: 8px;
        flex-shrink: 0;
    }

    .touch-btn-nav {
        width: 52px;
        height: 48px;
        font-size: 1.3rem;
    }

    .touch-btn-fire {
        height: 48px;
        font-size: 0.7rem;
    }
}

/* Telas Ultra-Compactas (ex: iPhone SE, tela paisagem ou teclado virtual aberto) */
@media (max-width: 768px) and (max-height: 640px) {
    .arcade-container {
        padding: 4px 6px;
        gap: 2px;
    }

    .arcade-header {
        padding-bottom: 2px;
    }

    .brand-logo {
        height: 20px;
    }

    .arcade-title {
        font-size: 0.8rem;
    }

    .score-board {
        padding: 2px 4px;
    }

    .score-label {
        font-size: 0.5rem;
    }

    .score-value {
        font-size: 0.7rem;
    }

    .arcade-controls-bar .btn-arcade {
        padding: 4px 8px;
        font-size: 0.55rem;
    }

    .touch-controls {
        gap: 6px;
        margin: 1px 0;
    }

    .touch-btn-nav {
        width: 44px;
        height: 40px;
        font-size: 1.1rem;
    }

    .touch-btn-fire {
        height: 40px;
        font-size: 0.65rem;
    }
}