:root {
    /* --- Light Mode (Standard) --- */
    --bg-body: #F0F2F5;
    --bg-card: #FFFFFF;
    --bg-nav: rgba(255, 255, 255, 0.9);
    --bg-code: #f5f5f7;
    --text-main: #1d1d1f;
    --text-muted: #86868b;
    --border-color: rgba(0, 0, 0, 0.1);
    --border-hover: rgba(0, 0, 0, 0.25);
    --shadow-sm: rgba(0,0,0,0.02);
    --shadow-hover: rgba(0,0,0,0.08);
    --accent: #0071e3;
    
    /* Button Colors Light */
    --btn-primary-bg: #1d1d1f;
    --btn-primary-text: #ffffff;
    --btn-outline-bg: #ffffff;
    --btn-outline-text: #1d1d1f;
    
    --grid-line: rgba(0,0,0,0.05);
}

[data-theme="dark"] {
    /* --- Dark Mode --- */
    --bg-body: #000000;
    --bg-card: #151516;
    --bg-nav: rgba(21, 21, 22, 0.8);
    --bg-code: #1c1c1e;
    --text-main: #f5f5f7;
    --text-muted: #a1a1a6;
    --border-color: rgba(255, 255, 255, 0.15);
    --border-hover: rgba(255, 255, 255, 0.3);
    --shadow-sm: rgba(0,0,0,0.5);
    --shadow-hover: rgba(0,0,0,0.8);
    --accent: #2997ff;

    /* Button Colors Dark */
    --btn-primary-bg: #ffffff;
    --btn-primary-text: #000000;
    --btn-outline-bg: #151516;
    --btn-outline-text: #ffffff;

    --grid-line: rgba(255,255,255,0.08);
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-body);
    color: var(--text-main);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Grid Background */
.bg-grid-subtle {
    background-image: linear-gradient(to right, var(--grid-line) 1px, transparent 1px),
                      linear-gradient(to bottom, var(--grid-line) 1px, transparent 1px);
    background-size: 40px 40px;
}

/* Navigation */
.glass-nav {
    background: var(--bg-nav);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    transition: background 0.3s ease, border-color 0.3s ease;
}

/* Modern Card */
.modern-card {
    background: var(--bg-card);
    border-radius: 20px;
    border: 1px solid var(--border-color);
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: 0 2px 4px var(--shadow-sm);
}

.modern-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 20px 40px var(--shadow-hover);
    border-color: var(--border-hover);
}

/* Marquee */
.marquee-container {
    display: flex;
    overflow: hidden;
    user-select: none;
    mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
    -webkit-mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-card);
    transition: background 0.3s ease, border-color 0.3s ease;
}

.marquee-content {
    flex-shrink: 0;
    display: flex;
    justify-content: space-around;
    min-width: 100%;
    gap: 2rem;
    animation: scroll 40s linear infinite;
}

@keyframes scroll {
    from { transform: translateX(0); }
    to { transform: translateX(calc(-100% - 2rem)); }
}

/* Typography */
.display-text {
    letter-spacing: -0.04em;
    line-height: 0.95;
}

/* Buttons */
.btn-primary {
    background-color: var(--btn-primary-bg);
    color: var(--btn-primary-text);
    border-radius: 12px;
    transition: transform 0.2s ease, background-color 0.3s ease;
    border: 1px solid transparent;
}
.btn-primary:hover {
    transform: scale(1.02);
    opacity: 0.9;
}

.btn-outline {
    background: var(--btn-outline-bg);
    border: 1px solid var(--border-color);
    color: var(--btn-outline-text);
    border-radius: 12px;
    transition: all 0.2s ease;
}
.btn-outline:hover {
    border-color: var(--text-main);
}

/* NEU: Game Row (Server List Style) */
.game-row {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 1rem;
    display: block;
    transition: all 0.2s ease;
    cursor: pointer;
}
.game-row:hover {
    border-color: var(--accent);
    transform: translateX(4px);
    box-shadow: 0 4px 12px var(--shadow-sm);
}

/* Status Pulse */
.status-live {
    width: 8px;
    height: 8px;
    background: #28cd41;
    border-radius: 50%;
    box-shadow: 0 0 0 0 rgba(40, 205, 65, 0.7);
    animation: pulse-green 2s infinite;
}

@keyframes pulse-green {
    0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(40, 205, 65, 0.7); }
    70% { transform: scale(1); box-shadow: 0 0 0 6px rgba(40, 205, 65, 0); }
    100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(40, 205, 65, 0); }
}

/* Dropdown */
.dropdown-menu { 
    opacity: 0; 
    visibility: hidden; 
    transform: translateY(10px); 
    transition: all 0.2s ease; 
    border: 1px solid var(--border-color);
    background: var(--bg-card);
}
.group:hover .dropdown-menu { opacity: 1; visibility: visible; transform: translateY(0); }

/* Theme Toggle Button */
.theme-toggle {
    cursor: pointer;
    padding: 8px;
    border-radius: 50%;
    color: var(--text-main);
    background: transparent;
    border: 1px solid transparent;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}
.theme-toggle:hover {
    background: var(--border-color);
}