:root {
    --bg-dark: #0a0a0c;
    --text-primary: #ffffff;
    --text-secondary: #a0a0ab;
    --glass-bg: rgba(20, 20, 25, 0.6);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.4);
    --accent: #8b5cf6;
    /* Purple highlight */
    --accent-glow: rgba(139, 92, 246, 0.5);

    --btn-primary-bg: #1c1c22;
    --btn-primary-border: rgba(255, 255, 255, 0.1);
    --btn-primary-hover: #2a2a35;

    --btn-secondary-bg: transparent;
    --btn-secondary-border: rgba(255, 255, 255, 0.1);
    --btn-secondary-hover: rgba(255, 255, 255, 0.05);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body.dark-theme {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    position: relative;
    -webkit-font-smoothing: antialiased;
}

.wrapper {
    width: 100%;
    max-width: 500px;
    padding: 16px;
    z-index: 10;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.glass-container {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 24px;
    box-shadow: var(--glass-shadow);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    position: relative;
    overflow: hidden;
    width: 100%;
    max-height: 95vh;
    overflow-y: auto;
}

/* Scrollbar styles for inner container if needed */
.glass-container::-webkit-scrollbar {
    width: 6px;
}

.glass-container::-webkit-scrollbar-thumb {
    background: var(--text-secondary);
    border-radius: 3px;
}

.header {
    margin-bottom: 20px;
}

.title {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 4px;
    letter-spacing: -0.5px;
}

.subtitle {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.subtitle.win {
    color: #4ade80;
    /* Green */
    font-weight: 600;
    text-shadow: 0 0 10px rgba(74, 222, 128, 0.5);
    animation: pulse 2s infinite;
}

.subtitle.lose {
    color: #f87171;
    /* Red */
}

@keyframes pulse {
    0% {
        opacity: 0.8;
        transform: scale(1);
    }

    50% {
        opacity: 1;
        transform: scale(1.05);
    }

    100% {
        opacity: 0.8;
        transform: scale(1);
    }
}

/* Hide links initially */
.hidden {
    display: none !important;
}

#secret-links {
    width: 100%;
    margin-bottom: 20px;
    animation: fadeInUp 0.5s ease forwards;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

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

.section-label {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--text-secondary);
    margin-bottom: 12px;
    text-align: center;
}

.links-grid {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 10px 16px;
    border-radius: 10px;
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    width: 100%;
}

.btn svg {
    flex-shrink: 0;
    opacity: 0.9;
    width: 18px;
    height: 18px;
}

.btn-primary {
    background-color: var(--btn-primary-bg);
    color: var(--text-primary);
    border: 1px solid var(--btn-primary-border);
}

.btn-primary:hover {
    background-color: var(--btn-primary-hover);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.btn-secondary {
    background-color: var(--btn-secondary-bg);
    color: var(--text-secondary);
    border: 1px solid var(--btn-secondary-border);
    font-size: 0.85rem;
    padding: 8px 12px;
}

.btn-secondary:hover {
    background-color: var(--btn-secondary-hover);
    color: var(--text-primary);
    border-color: rgba(255, 255, 255, 0.2);
}

/* Chessboard Overrides to fit dark theme */
.board-b72b1 {
    border: 2px solid var(--glass-border);
    border-radius: 4px;
    overflow: hidden;
}

.white-1e1d7 {
    background-color: #e2e8f0;
    color: #64748b;
}

.black-3c85d {
    background-color: #64748b;
    color: #e2e8f0;
}