:root {
    --bg-color: #0f172a;
    --card-bg: rgba(30, 41, 59, 0.7);
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --accent: #3b82f6;
    --accent-hover: #2563eb;
    --border: rgba(255, 255, 255, 0.1);
}

* { box-sizing: border-box; margin: 0; padding: 0; font-family: 'Inter', system-ui, -apple-system, sans-serif; }

body {
    background-color: var(--bg-color);
    color: var(--text-main);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background-image: radial-gradient(circle at top right, rgba(59, 130, 246, 0.15), transparent 400px),
                      radial-gradient(circle at bottom left, rgba(139, 92, 246, 0.1), transparent 400px);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 4rem;
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(10px);
}

nav .logo { font-size: 1.5rem; font-weight: 700; letter-spacing: -0.5px; }
nav .logo span { color: var(--accent); }

nav .links a {
    color: var(--text-muted);
    text-decoration: none;
    margin-left: 2rem;
    transition: color 0.3s;
    font-size: 0.95rem;
}

nav .links a:hover { color: var(--text-main); }
nav .links a.btn {
    background: var(--accent);
    color: #fff;
    padding: 0.5rem 1rem;
    border-radius: 6px;
}
nav .links a.btn:hover { background: var(--accent-hover); }

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 4rem 2rem;
    flex: 1;
}

h1 { font-size: 3.5rem; font-weight: 800; line-height: 1.2; margin-bottom: 1.5rem; }
h1 span { color: var(--accent); }
p.subtitle { font-size: 1.2rem; color: var(--text-muted); margin-bottom: 2.5rem; max-width: 600px; line-height: 1.6; }

.card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 2.5rem;
    backdrop-filter: blur(12px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

.auth-form { max-width: 400px; margin: 0 auto; text-align: center; }
.auth-form h2 { margin-bottom: 0.5rem; }
.auth-form p { color: var(--text-muted); margin-bottom: 2rem; font-size: 0.9rem; }

.input-group { margin-bottom: 1.2rem; text-align: left; }
.input-group label { display: block; margin-bottom: 0.5rem; font-size: 0.85rem; color: var(--text-muted); }
.input-group input {
    width: 100%;
    padding: 0.8rem 1rem;
    background: rgba(15, 23, 42, 0.5);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text-main);
    font-size: 1rem;
    outline: none;
    transition: border 0.3s;
}
.input-group input:focus { border-color: var(--accent); }

button.submit-btn, a.submit-btn {
    display: inline-block;
    width: 100%;
    padding: 0.8rem;
    background: var(--accent);
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    text-align: center;
    text-decoration: none;
    transition: background 0.3s;
    box-sizing: border-box;
}
button.submit-btn:hover, a.submit-btn:hover { background: var(--accent-hover); }
button.submit-btn:disabled { background: var(--text-muted); cursor: not-allowed; }

.error-msg {
    color: #ef4444;
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    padding: 0.8rem;
    border-radius: 6px;
    margin-top: 1.5rem;
    font-size: 0.85rem;
    display: none;
}

.footer { text-align: center; padding: 2rem; color: var(--text-muted); font-size: 0.85rem; border-top: 1px solid var(--border); }

/* --- Developer Lounge Styles --- */

.lounge-banner {
    margin: 2rem auto 0;
    max-width: 400px;
    text-align: center;
}

.lounge-banner h4 {
    color: var(--text-main);
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.lounge-banner p {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.5;
    margin-bottom: 1.5rem;
}

.games-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.game-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 2rem 1.5rem;
    text-align: center;
    transition: transform 0.3s, border-color 0.3s, box-shadow 0.3s;
    text-decoration: none;
    color: var(--text-main);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.game-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent);
    box-shadow: 0 10px 25px rgba(59, 130, 246, 0.15);
}

.game-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    filter: drop-shadow(0 0 10px rgba(59, 130, 246, 0.4));
}

.game-card h3 {
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
}

.game-card p {
    color: var(--text-muted);
    font-size: 0.85rem;
    line-height: 1.5;
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.play-badge {
    background: var(--accent);
    color: white;
    padding: 0.8rem 1.5rem;
    border-radius: 6px;
    font-size: 0.95rem;
    font-weight: 600;
    width: 100%;
    transition: background 0.3s;
}

.game-card:hover .play-badge {
    background: var(--accent-hover);
}