:root {
    --bg-color: #030005;
    --neon-pink: #ff003c;
    --neon-cyan: #ff00ff;
    --neon-purple: #7000ff;
    --neon-blue: #00f3ff;
    --text-main: #f0f0f0;
    --glitch-offset: 4px;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-main);
    font-family: 'Rajdhani', sans-serif;
    overflow: hidden;
    width: 100vw;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

#game-container {
    position: relative;
    width: 100%;
    height: 100%;
    max-width: 800px;
    background: radial-gradient(circle at center, #111 0%, #000 100%);
}

canvas {
    display: block;
    width: 100%;
    height: 100%;
    /* Chromatic Aberration on CANVAS only — not body (mobile-safe) */
}
canvas.aberration {
    /* Optimized: Removed heavy drop-shadow filter. Using mix-blend-mode and subtle opacity for speed */
    opacity: 0.95;
    mix-blend-mode: screen;
}

/* UI Overlay */
#ui-layer {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

/* HUD */
#hud {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    display: none;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    pointer-events: none;
    z-index: 10;
}
#hud.active { display: flex; }

#score-display {
    font-family: 'Orbitron', sans-serif;
    font-size: 20px;
    font-weight: 700;
    color: var(--neon-cyan);
    text-shadow: 0 0 8px var(--neon-cyan);
}

#hud-buttons {
    display: flex;
    gap: 10px;
    pointer-events: auto;
}

.hud-btn {
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255, 0, 60, 0.4);
    color: var(--text-main);
    font-size: 18px;
    width: 40px;
    height: 40px;
    border-radius: 6px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
}
.hud-btn:active { background: rgba(255, 0, 60, 0.2); }

/* Screens */
.screen {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    /* No backdrop-filter on overlay — kills mobile GPU */
    background: rgba(3, 0, 5, 0.9);
    border: 1px solid rgba(255, 0, 60, 0.3);
    box-shadow: inset 0 0 100px rgba(255, 0, 60, 0.1);
    will-change: opacity, visibility;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.4s ease;
    pointer-events: auto;
    z-index: 20;
}

.screen.active {
    opacity: 1;
    visibility: visible;
}

/* Typography */
h1, h2, .cyber-text {
    font-family: 'Orbitron', sans-serif;
    font-weight: 900;
    color: var(--text-main);
    text-transform: uppercase;
    text-align: center;
    margin-bottom: 10px;
    text-shadow: 0 0 20px rgba(255, 255, 255, 0.5);
}
h1 { font-size: 3.5rem; }
h2, .cyber-text { font-size: 2.5rem; }

@media (max-width: 600px) {
    h1 { font-size: 2rem; }
    h2, .cyber-text { font-size: 1.8rem; }
}

/* Glitch Effect */
.glitch { position: relative; }
.glitch::before, .glitch::after {
    content: attr(data-text);
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: transparent;
}
.glitch::before {
    left: var(--glitch-offset);
    text-shadow: -2px 0 var(--neon-pink);
    clip: rect(24px, 550px, 90px, 0);
    animation: glitch-anim 3s infinite linear alternate-reverse;
}
.glitch::after {
    left: calc(var(--glitch-offset) * -1);
    text-shadow: -2px 0 var(--neon-cyan);
    clip: rect(85px, 550px, 140px, 0);
    animation: glitch-anim 2.5s infinite linear alternate-reverse;
}
@keyframes glitch-anim {
    0%   { clip: rect(10px, 9999px, 44px, 0); }
    5%   { clip: rect(66px, 9999px, 98px, 0); }
    10%  { clip: rect(31px, 9999px, 12px, 0); }
    15%  { clip: rect(87px, 9999px, 76px, 0); }
    20%  { clip: rect(2px,  9999px, 33px, 0); }
    100% { clip: rect(10px, 9999px, 44px, 0); }
}

p {
    font-size: 1.1rem;
    color: #ccc;
    margin-bottom: 25px;
    letter-spacing: 2px;
    text-transform: uppercase;
}
.stats p {
    font-size: 1.4rem;
    margin-bottom: 8px;
    color: var(--neon-cyan);
    text-shadow: 0 0 5px var(--neon-cyan);
}

/* Cyber Buttons */
.cyber-btn {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.3rem;
    font-weight: 700;
    padding: 14px 36px;
    color: var(--text-main);
    background: transparent;
    border: 2px solid var(--neon-pink);
    outline: none;
    cursor: pointer;
    text-transform: uppercase;
    clip-path: polygon(8% 0, 100% 0, 100% 70%, 92% 100%, 0 100%, 0 30%);
    transition: all 0.2s ease;
    box-shadow: inset 0 0 12px rgba(255, 0, 60, 0.15), 0 0 12px rgba(255, 0, 60, 0.35);
    animation: button-breathe 2s infinite alternate;
    will-change: transform, box-shadow;
}
@keyframes button-breathe {
    0%   { box-shadow: inset 0 0 8px rgba(255,0,60,0.2),  0 0 8px  rgba(255,0,60,0.3); transform: scale(1); }
    100% { box-shadow: inset 0 0 20px rgba(255,0,60,0.6), 0 0 30px rgba(255,0,60,0.7); transform: scale(1.02); }
}
.cyber-btn:hover {
    background: var(--neon-pink);
    color: #000;
    transform: scale(1.05);
    animation: none;
}
.cyber-btn:active { transform: scale(0.95); }

/* Settings */
.setting-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 80%;
    max-width: 320px;
    margin: 12px 0;
    font-family: 'Orbitron', sans-serif;
    font-size: 0.9rem;
    color: #aaa;
    letter-spacing: 1px;
}
.toggle-btn {
    background: transparent;
    border: 2px solid #555;
    color: #888;
    padding: 8px 24px;
    font-family: 'Orbitron', sans-serif;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.2s;
    letter-spacing: 1px;
}
.toggle-btn.active {
    background: var(--neon-pink);
    border-color: var(--neon-pink);
    color: #000;
}

/* Screen Shake on Game Over */
.glitch-shake {
    animation: screen-shake 0.4s cubic-bezier(.36,.07,.19,.97) both;
}
@keyframes screen-shake {
    10%, 90% { transform: translate3d(-1px, 0, 0); }
    20%, 80% { transform: translate3d(2px, 0, 0); }
    30%, 50%, 70% { transform: translate3d(-4px, 0, 0); }
    40%, 60% { transform: translate3d(4px, 0, 0); }
}

/* Flash on near miss */
.flash-white { animation: flash-anim 0.2s ease-out; }
@keyframes flash-anim {
    0% { filter: brightness(3); }
    100% { filter: brightness(1); }
}

/* Logo */
.unified-logo {
    width: 100px;
    height: 100px;
    position: relative;
    margin: 0 auto 25px;
    background: #000;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
}
.outer-square {
    width: 70px; height: 70px;
    border: 3px solid var(--neon-pink);
    box-shadow: 0 0 12px var(--neon-pink);
    position: absolute;
}
.inner-square {
    width: 35px; height: 35px;
    border: 2px solid var(--neon-blue);
    box-shadow: 0 0 8px var(--neon-blue);
    position: absolute;
}
.center-dot {
    width: 9px; height: 9px;
    background: var(--neon-pink);
    box-shadow: 0 0 8px var(--neon-pink);
    position: absolute;
}

/* Scanning Line Animation */
#scanner-line {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 2px;
    background: linear-gradient(90deg, transparent, var(--neon-pink), transparent);
    box-shadow: 0 0 10px var(--neon-pink);
    opacity: 0.15;
    pointer-events: none;
    z-index: 100;
    animation: scanner-move 6s linear infinite;
}
@keyframes scanner-move {
    0% { top: 0%; }
    100% { top: 100%; }
}

/* Mangaverse Button */
.mangaverse-btn {
    border: 2px solid #8e2de2 !important;
    background: linear-gradient(45deg, #4a00e0, #8e2de2) !important;
    color: #fff !important;
    box-shadow: 0 0 15px rgba(142, 45, 226, 0.6) !important;
}
.mangaverse-btn:hover {
    background: linear-gradient(45deg, #8e2de2, #4a00e0) !important;
    box-shadow: 0 0 25px rgba(142, 45, 226, 0.9) !important;
}

/* UI Fixes */
.revive-btn {
    background: #FFD700 !important;
    color: black !important;
    border-color: #FFD700 !important;
    box-shadow: 0 0 15px rgba(255, 215, 0, 0.6) !important;
}
.revive-btn:hover {
    background: #FFCA28 !important;
    box-shadow: 0 0 25px rgba(255, 215, 0, 0.9) !important;
}
.social-btn {
    font-family: 'Orbitron', sans-serif;
    font-size: 0.9rem;
    font-weight: 700;
    padding: 8px 20px;
    color: #fff;
    border: none;
    cursor: pointer;
    text-transform: uppercase;
    border-radius: 4px;
    display: flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 0 10px rgba(0,0,0,0.5);
}
.social-btn:hover { opacity: 0.8; }
.social-btn.whatsapp { background: #25D366; }
.social-btn.telegram { background: #0088cc; }
/* Custom Dropdown UI */
.custom-dropdown {
    position: relative;
    width: 100%;
    max-width: 250px;
    margin: 8px auto 0;
    font-family: 'Space Mono', monospace;
    font-size: 1rem;
    color: #fff;
    cursor: pointer;
    text-align: left;
    user-select: none;
}
.dropdown-selected {
    background: rgba(20,20,20,0.8);
    border: 2px solid var(--neon-pink);
    border-radius: 4px;
    padding: 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.dropdown-selected::after {
    content: '?';
    font-size: 0.8rem;
    color: var(--neon-pink);
    margin-left: 10px;
}
.dropdown-options {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(10,10,10,0.95);
    border: 2px solid var(--neon-pink);
    border-top: none;
    border-radius: 0 0 4px 4px;
    display: none;
    flex-direction: column;
    z-index: 100;
}
.dropdown-options.show {
    display: flex;
}
.dropdown-option {
    padding: 10px;
    border-bottom: 1px solid rgba(255,42,109,0.3);
    transition: background 0.2s, color 0.2s;
}
.dropdown-option:last-child {
    border-bottom: none;
}
.dropdown-option:hover, .dropdown-option.active {
    background: var(--neon-pink);
    color: #000;
}

/* Offline Spinner */
.spinner {
  width: 50px;
  height: 50px;
  border: 5px solid rgba(255, 0, 0, 0.3);
  border-top-color: red;
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 20px auto;
}
@keyframes spin {
  to { transform: rotate(360deg); }
}