:root {
    --primary-color: #00d4ff;
    --secondary-color: #ff00ff;
    --accent-color: #ffdd00;
    --bg-color: #1a1a2e;
    --accent-color: #e94560;
    --text-color: #ffffff;
    --ui-bg: rgba(255, 255, 255, 0.1);
}

@property --bg-a {
    syntax: '<color>';
    inherits: false;
    initial-value: #ffffff;
}
@property --bg-b {
    syntax: '<color>';
    inherits: false;
    initial-value: #ecffb6;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    user-select: none;
}

body {
    font-family: 'Orbitron', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    overflow: hidden;
    margin: 0;
    padding: 0;
    width: 100vw;
    height: 100vh;
}

#game-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, #ffffff 0%, var(--bg-b) 100%);
    animation: bgCycle 16s linear infinite;
}

@keyframes bgCycle {
    0% { --bg-b: #ecffb6; }
    14.285% { --bg-b: #c3ffe6; }
    28.571% { --bg-b: #d2e0ff; }
    42.857% { --bg-b: #f1e6ff; }
    57.142% { --bg-b: #ffd6e7; }
    71.428% { --bg-b: #ffeaa7; }
    85.714% { --bg-b: #f8ffd1; }
    100% { --bg-b: #ecffb6; }
}

#game-canvas {
    display: block;
    width: 100%;
    height: 100%;
}

#ui-layer {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 40px;
    z-index: 10;
}

#hud-row {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    width: 100%;
    z-index: 20;
    pointer-events: none;
    color: #262626;
}

#score-board { text-align: left; }
#level-display { text-align: right; }
#time-display { text-align: center; }
#pause-btn {
    pointer-events: auto;
    margin-left: 12px;
    padding: 6px 12px;
    font-size: 16px;
    font-family: 'Outfit', sans-serif;
    font-weight: bold;
    color: #ffffff;
    background: linear-gradient(45deg, #08d9d6, #00eaff);
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}
#pause-btn:hover { transform: scale(1.05); }
#pause-btn:active { transform: scale(0.95); }

#game-title {
    font-family: 'Orbitron', sans-serif;
    font-size: 5rem;
    font-weight: 900;
    margin-bottom: 10px;
    width: max-content;
    left: 50%;
    transform: translate(-50%, 35px);
    position: relative;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 20px;
    filter: drop-shadow(0 0 30px var(--primary-color));
    animation: titlePulse 3s ease-in-out infinite;
    z-index: 10;
}
@keyframes titlePulse {

    0%,
    100% {
        filter: drop-shadow(0 0 30px var(--primary-color));
    }

    50% {
        filter: drop-shadow(0 0 50px var(--secondary-color));
    }
}

#start-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    pointer-events: none;
    z-index: 5;
}

#start-overlay.no-blur {
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
}

#score-board,
#level-display,
#time-display {
    font-size: 24px;
    font-weight: 700;

}

#start-btn {
    pointer-events: auto;
    position: relative;
    z-index: 20;
    align-self: center;
    margin-top: auto;
    margin-bottom: 20px;
    padding: 10px 40px;
    font-size: 24px;
    font-family: 'Outfit', sans-serif;
    font-weight: bold;
    color: white;
    background: linear-gradient(45deg, #ff0055, #ff5500);
    border: none;
    border-radius: 50px;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(233, 69, 96, 0.4);
    transition: transform 0.2s, box-shadow 0.2s;
}

#start-btn.centered-prompt {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    margin: 0;
    z-index: 40;
    border-radius: 20px;
    font-size: 1.2rem;
}

#start-btn.centered-prompt:hover {
    transform: translate(-50%, -50%) scale(1.05);
}

#start-btn.centered-prompt:active {
    transform: translate(-50%, -50%) scale(0.95);

}

#start-btn:hover {
    box-shadow: 0 6px 20px rgba(233, 69, 96, 0.6);
}

#start-btn:active {
    transform: scale(0.95);
}

.hidden {
    display: none !important;
}
#pause-modal {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 30;
    pointer-events: none;
}

#gameover-modal {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 30;
    pointer-events: none;
}
#gameover-modal .modal-box button {
    margin-top: 12px;
    padding: 10px 16px;
    border-radius: 12px;
    border: 1px solid rgba(255,255,255,0.25);
    background: linear-gradient(45deg, #ff0055, #ff5500);
    color: #fff;
    cursor: pointer;
}

.modal-box {
    pointer-events: auto;
    padding: 40px 50px;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.9);
    box-shadow: 0 12px 40px rgba(0,0,0,0.1);
    border: 1px solid rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    text-align: center;
    color: #333;
}

.modal-box h2 {
    font-size: 28px;
    margin-bottom: 8px;
}

.modal-box p {
    font-size: 16px;
    opacity: 0.9;
}

#pause-modal .modal-box button {
    margin-top: 12px;
    padding: 10px 16px;
    border-radius: 12px;
    border: 1px solid rgba(255,255,255,0.25);
    background: rgb(255 89 89);
    color: #fff;
    cursor: pointer;
}
#start-btn.centered-prompt ~ #help-btn,
#start-btn.centered-prompt ~ #home-btn {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    margin-bottom: 0;
    margin-top: 30px;
    z-index: 40;
}

#start-btn.centered-prompt ~ #help-btn { top: calc(50% + 40px); }
#start-btn.centered-prompt ~ #home-btn { top: calc(50% + 105px); }
#help-btn {
    pointer-events: auto;
    position: relative;
    z-index: 20;
    align-self: center;
    margin-bottom: 8px;
    padding: 10px 40px;
    font-size: 24px;
    font-family: 'Outfit', sans-serif;
    font-weight: bold;
    color: #ffffff;
    background: linear-gradient(45deg, #ff0055, #ff5500);
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: 20px;
    cursor: pointer;
    margin-bottom: 20px;
    font-size: 1.2rem;
    transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
}

#help-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 20px rgba(255, 255, 255, 0.15);
}

#start-btn.centered-prompt ~ #help-btn:hover {
    transform: translateX(-50%) scale(1.05);
}

#help-btn:active { transform: scale(0.95); }
#start-btn.centered-prompt ~ #help-btn:active {
    transform: translateX(-50%) scale(0.95);
}

#help-modal {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 300;
    pointer-events: none;
}
#pause-home a{
    color: #fff;
    text-decoration: none;
}
#help-modal .modal-box button {
    margin-top: 12px;
    padding: 10px 16px;
    border-radius: 12px;
    border: 1px solid rgba(255,255,255,0.25);
    background: rgb(255 89 89);
    color: #fff;
    cursor: pointer;
}

/* Mobile spacing for help modal */
@media (max-width: 768px) {
    #help-modal {
        padding: 0 16px;
    }
    #help-modal .modal-box {
        width: 100%;
        padding: 16px 20px;
    }
    #score-board,
    #level-display,
    #time-display {
        font-size: 16px;
    }
    }
#home-btn {
    pointer-events: auto;
    position: relative;
    z-index: 20;
    align-self: center;
    margin-bottom: auto;
    padding: 10px 40px;
    font-size: 24px;
    font-family: 'Outfit', sans-serif;
    font-weight: bold;
    color: #ffffff;
    background: linear-gradient(45deg, #ff0055, #ff5500);
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: 20px;
    cursor: pointer;
    font-size: 1.2rem;
    text-decoration: none;
    transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
}

#home-btn:hover {
    box-shadow: 0 6px 20px rgba(255, 255, 255, 0.15);
}

#home-btn:hover { transform: scale(1.05); }
#start-btn.centered-prompt ~ #home-btn:hover {
    transform: translateX(-50%) scale(1.05);
}

#home-btn:active { transform: scale(0.95); }
#start-btn.centered-prompt ~ #home-btn:active {
    transform: translateX(-50%) scale(0.95);
}