/* =========================================
   STYLE KHUSUS LOBI CATUR (APP VIBE)
   Lokasi: catur-tkj/style.css
   ========================================= */

.chess-lobby-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: calc(100vh - 100px); /* Memanfaatkan sisa tinggi layar di bawah navbar */
    padding: 20px;
}

.chess-app-container {
    width: 100%;
    max-width: 450px;
    background: linear-gradient(145deg, #1e1e28, #15151c);
    border-radius: 24px;
    padding: 40px 25px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.8), inset 0 2px 2px rgba(255,255,255,0.05);
    border: 1px solid #2a2a35;
    position: relative;
    overflow: hidden;
}

/* Efek Background Papan Catur Transparan di dalam kotak aplikasi */
.chess-app-container::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background-image: 
      linear-gradient(45deg, #222230 25%, transparent 25%, transparent 75%, #222230 75%, #222230),
      linear-gradient(45deg, #222230 25%, transparent 25%, transparent 75%, #222230 75%, #222230);
    background-size: 60px 60px;
    background-position: 0 0, 30px 30px;
    opacity: 0.25;
    z-index: 0;
}

.lobby-content {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.app-logo {
    font-size: 4.5rem;
    color: #00ffcc; /* Warna Neon khas TKJ Portal kamu */
    margin-bottom: 15px;
    filter: drop-shadow(0 0 15px rgba(0, 255, 204, 0.4));
}

.app-title {
    font-size: 2.2rem;
    color: #ffffff;
    margin: 0;
    font-family: 'Poppins', sans-serif;
    font-weight: 800;
    letter-spacing: 2px;
}

.app-subtitle {
    color: #8892b0;
    font-size: 1rem;
    margin-top: 5px;
    margin-bottom: 40px;
    font-weight: 500;
}

/* Tombol Menu ala Aplikasi Mobile */
.menu-btn {
    display: flex;
    align-items: center;
    width: 100%;
    background: rgba(35, 35, 48, 0.7);
    border: 2px solid #323242;
    padding: 20px;
    border-radius: 16px;
    margin-bottom: 15px;
    text-decoration: none;
    transition: all 0.3s ease;
    backdrop-filter: blur(5px);
    box-sizing: border-box;
}

.menu-btn:hover {
    transform: translateY(-5px);
    border-color: #00ffcc;
    background: rgba(40, 40, 55, 0.9);
    box-shadow: 0 10px 20px rgba(0, 255, 204, 0.15);
}

.menu-btn.disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
    filter: grayscale(100%);
}

.btn-icon {
    font-size: 2.2rem;
    margin-right: 20px;
    width: 50px;
    display: flex;
    justify-content: center;
    color: #00ffcc;
}

.btn-text {
    text-align: left;
    flex-grow: 1;
}

.btn-title {
    display: block;
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 5px;
    color: #fff;
    font-family: 'Poppins', sans-serif;
}

.btn-desc {
    display: block;
    font-size: 0.85rem;
    color: #a0a0b5;
    line-height: 1.4;
}

.btn-arrow {
    font-size: 1.2rem;
    color: #555;
    transition: color 0.3s;
}

.menu-btn:hover .btn-arrow {
    color: #00ffcc;
}