body {
    font-family: 'Manrope', sans-serif;
    min-height: 100vh;
    color: var(--text-main);
    background:
        radial-gradient(1200px 700px at 15% -10%, rgba(34, 211, 238, 0.2), transparent 60%),
        radial-gradient(900px 500px at 100% 10%, rgba(249, 115, 22, 0.17), transparent 58%),
        linear-gradient(150deg, var(--bg-0) 0%, var(--bg-1) 50%, var(--bg-2) 100%);
    background-attachment: fixed;
    overflow-x: hidden;
    position: relative;
}

body::before,
body::after {
    content: '';
    position: fixed;
    inset: auto;
    width: 44vmax;
    height: 44vmax;
    border-radius: 9999px;
    pointer-events: none;
    z-index: -1;
    filter: blur(50px);
    opacity: 0.35;
}

body::before {
    top: -14vmax;
    right: -12vmax;
    background: var(--glow-a);
    animation: driftA 18s ease-in-out infinite alternate;
}

body::after {
    left: -16vmax;
    bottom: -15vmax;
    background: var(--glow-b);
    animation: driftB 20s ease-in-out infinite alternate;
}

h1, h2, h3, h4 {
    font-family: 'Sora', sans-serif;
    letter-spacing: 0.01em;
}

#gameContainer header,
#gameContainer footer {
    background: linear-gradient(120deg, rgba(10, 20, 34, 0.78), rgba(20, 34, 54, 0.7));
    border-color: var(--card-border);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
}

#gameContainer footer {
    background: linear-gradient(120deg, rgba(10, 20, 34, 0.48), rgba(20, 34, 54, 0.4));
    border-top-color: rgba(120, 154, 193, 0.14);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

#gameContainer .panel-1,
#gameContainer .panel-2,
#gameContainer .panel-3 {
    background: linear-gradient(150deg, rgba(22, 36, 56, 0.85), var(--card));
    border: 1px solid var(--card-border);
    box-shadow: 0 18px 40px rgba(2, 8, 20, 0.38);
    transition: transform 0.28s ease, box-shadow 0.28s ease, border-color 0.28s ease;
}

#gameContainer .panel-1:hover,
#gameContainer .panel-2:hover,
#gameContainer .panel-3:hover {
    transform: translateY(-4px);
    border-color: rgba(130, 170, 210, 0.35);
    box-shadow: 0 24px 50px rgba(2, 8, 20, 0.5);
}

#gameContainer:not(.hidden) .panel-1,
#gameContainer:not(.hidden) .panel-2,
#gameContainer:not(.hidden) .panel-3,
#gameContainer:not(.hidden) footer button {
    opacity: 0;
    transform: translateY(14px);
    animation: revealUp 520ms cubic-bezier(0.2, 0.7, 0.25, 1) forwards;
}

#gameContainer:not(.hidden) .panel-1 { animation-delay: 100ms; }
#gameContainer:not(.hidden) .panel-2 { animation-delay: 170ms; }
#gameContainer:not(.hidden) .panel-3 { animation-delay: 240ms; }

#gameContainer:not(.hidden) footer button:nth-child(1) { animation-delay: 120ms; }
#gameContainer:not(.hidden) footer button:nth-child(2) { animation-delay: 160ms; }
#gameContainer:not(.hidden) footer button:nth-child(3) { animation-delay: 200ms; }
#gameContainer:not(.hidden) footer button:nth-child(4) { animation-delay: 240ms; }
#gameContainer:not(.hidden) footer button:nth-child(5) { animation-delay: 280ms; }
#gameContainer:not(.hidden) footer button:nth-child(6) { animation-delay: 320ms; }
#gameContainer:not(.hidden) footer button:nth-child(7) { animation-delay: 360ms; }
#gameContainer:not(.hidden) footer button:nth-child(8) { animation-delay: 400ms; }
#gameContainer:not(.hidden) footer button:nth-child(9) { animation-delay: 440ms; }

.modal {
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.modal > div {
    background: linear-gradient(145deg, rgba(21, 33, 51, 0.95), rgba(17, 28, 45, 0.92));
    border-color: rgba(137, 167, 199, 0.26);
    box-shadow: 0 28px 60px rgba(1, 8, 18, 0.6);
}

.custom-scrollbar::-webkit-scrollbar { width: 8px; }
.custom-scrollbar::-webkit-scrollbar-track { background: rgba(9, 19, 33, 0.8); border-radius: 999px; }
.custom-scrollbar::-webkit-scrollbar-thumb { background: linear-gradient(180deg, #1fa8a7, #0f766e); border-radius: 999px; }
.custom-scrollbar::-webkit-scrollbar-thumb:hover { background: linear-gradient(180deg, #2ec8c7, #14b8a6); }

input[type="checkbox"] { accent-color: #14b8a6; }