:root {
    /* Palette: Deep Space & Neon */
    --bg-color: #050508;
    --bg-gradient: radial-gradient(circle at 50% 50%, #1a1a2e 0%, #050508 100%);

    --panel-bg: rgba(20, 25, 40, 0.65);
    --panel-border: rgba(100, 200, 255, 0.1);
    --panel-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.5);

    --text-main: #e0e6ed;
    --text-muted: #94a3b8;

    --accent-cyan: #00f2ff;
    --accent-cyan-glow: 0 0 15px rgba(0, 242, 255, 0.4);

    --accent-gold: #ffd700;
    --accent-gold-glow: 0 0 15px rgba(255, 215, 0, 0.4);

    --p1-color: #ffd700;
    --p2-color: #ff2a6d;

    --font-main: 'Outfit', sans-serif;
}

body {
    background-color: var(--bg-color);
    background-image: var(--bg-gradient);
    color: var(--text-main);
    font-family: var(--font-main);
    margin: 0;
    overflow: hidden;
    height: 100vh;
    width: 100vw;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 600;
    letter-spacing: 1.5px;
    color: var(--text-main);
    text-transform: uppercase;
}

.text-accent {
    color: var(--accent-cyan);
    text-shadow: var(--accent-cyan-glow);
}

.text-muted {
    color: var(--text-muted) !important;
}

/* Layout */
.game-container {
    display: flex;
    height: 100%;
    width: 100%;
    position: relative;
}

.sidebar {
    width: 380px;
    padding: 30px;
    display: flex;
    flex-direction: column;
    gap: 25px;
    z-index: 20;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    background: var(--panel-bg);
    border-right: 1px solid var(--panel-border);
    box-shadow: var(--panel-shadow);
    transition: transform 0.3s ease;
}

.main-area {
    flex-grow: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    background: radial-gradient(circle at center, rgba(0, 242, 255, 0.03) 0%, transparent 70%);
}

/* Components */
.glass-panel {
    /* Utility class if needed elsewhere */
    background: var(--panel-bg);
    backdrop-filter: blur(12px);
    border: 1px solid var(--panel-border);
    border-radius: 16px;
    padding: 20px;
}

.control-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-label {
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--accent-cyan);
}

.form-select {
    background-color: rgba(0, 0, 0, 0.3) !important;
    border: 1px solid var(--panel-border) !important;
    color: var(--text-main) !important;
    border-radius: 8px !important;
    padding: 10px 15px !important;
    font-family: var(--font-main);
    cursor: pointer;
    transition: all 0.2s ease;
}

.form-select:focus {
    box-shadow: 0 0 0 2px var(--accent-cyan) !important;
    border-color: var(--accent-cyan) !important;
}

.btn-premium {
    background: linear-gradient(135deg, rgba(0, 242, 255, 0.1), rgba(0, 242, 255, 0.05));
    border: 1px solid var(--accent-cyan);
    color: var(--accent-cyan);
    padding: 12px 24px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
    font-size: 0.8rem;
    position: relative;
    overflow: visible;
    white-space: nowrap;
}

.btn-premium:hover {
    background: var(--accent-cyan);
    color: #000;
    box-shadow: 0 0 25px var(--accent-cyan-glow);
    transform: translateY(-1px);
}

.btn-premium:active {
    transform: translateY(1px);
}

/* Game Status */
#gameStatus {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 12px;
    padding: 15px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.player-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
    font-weight: 500;
}

/* Canvas */
canvas {
    border-radius: 50%;
    /* Circular feel for hex board */
    /* box-shadow: 0 0 50px rgba(0, 0, 0, 0.5); */
    transition: transform 0.5s ease-out;
    cursor: crosshair;
}

/* Toast */
.toast-container {
    position: absolute;
    top: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 100;
    pointer-events: none;
}

.toast-msg {
    background: rgba(10, 15, 25, 0.9);
    backdrop-filter: blur(8px);
    color: var(--text-main);
    padding: 12px 24px;
    border-radius: 8px;
    margin-bottom: 12px;
    border-left: 4px solid var(--accent-cyan);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
    font-weight: 500;
    animation: slideDown 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    pointer-events: auto;
}

/* Animations */
@keyframes slideDown {
    from {
        transform: translateY(-30px);
        opacity: 0;
    }

    to {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(0, 242, 255, 0.4);
    }

    70% {
        box-shadow: 0 0 0 10px rgba(0, 242, 255, 0);
    }

    100% {
        box-shadow: 0 0 0 0 rgba(0, 242, 255, 0);
    }
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.1);
}

::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.2);
}