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

body {
    background:#0b1120;
    color:white;
    overflow:hidden;
}

.topbar {
    display:none;
}

.overlay {
    display:none;
}

.sidebar {
    position:fixed;
    left:20px;
    top:20px;
    width:250px;
    height:calc(100vh - 40px);
    background:#111827;
    border:1px solid #23304d;
    border-radius:24px;
    padding:24px;
    z-index:100;
    box-shadow: 0 8px 30px rgba(0,0,0,.35);
    transition:left .2s;
}

.logo {
    width:100%;
    font-size:clamp(24px,2vw,34px);
    font-weight:800;
    color:#60a5fa;
    margin-bottom:35px;
    white-space:nowrap;
    overflow:hidden;
    text-overflow:ellipsis;
}

.tabBtn {
    width:100%;
    height:54px;
    border:none;
    border-radius:16px;
    background:transparent;
    color:#d1d5db;
    font-size:15px;
    font-weight:600;
    text-align:left;
    padding:0 20px;
    cursor:pointer;
    display:flex;
    align-items:center;
    transition:.15s;
    margin-bottom:8px;
}

.tabBtn:hover {
    background:#172033;
    color:white;
}

.tabBtn.active {
    background:#1e3a5f;
    color:#60a5fa;
}

.main {
    position:fixed;
    left:290px;
    top:20px;
    width:calc(100vw - 310px);
    height:calc(100vh - 40px);
    z-index:1;
}

iframe {
    width:100%;
    height:100%;
    border:none;
    border-radius:24px;
    background:#0b1120;
}

.splash-screen {
    position: fixed;
    inset: 0;
    background: #0b1120;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: opacity 0.4s cubic-bezier(0.25, 1, 0.5, 1), visibility 0.4s;
}

.splash-screen.fade-out {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.splash-content {
    text-align: center;
    user-select: none;
}

.splash-title {
    font-size: clamp(44px, 8vw, 68px);
    font-weight: 800;
    color: #60a5fa;
    margin-bottom: 12px;
    letter-spacing: -1px;
}

.splash-desc {
    color: #9ca3af;
    font-size: 18px;
    font-weight: 500;
}

.frame-loader {
    position: absolute;
    inset: 0;
    background: #0b1120;
    border-radius: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 50;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.15s ease, visibility 0.15s ease;
}

.frame-loader.visible {
    opacity: 1;
    visibility: visible;
}

.spinner {
    width: 44px;
    height: 44px;
    border: 4px solid #172033;
    border-top-color: #60a5fa;
    border-radius: 50%;
    animation: spin 0.75s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

@media(max-width:768px) {
    .main {
        left:15px;
        top:85px;
        width:calc(100vw - 30px);
        height:calc(100vh - 100px);
    }

    iframe {
        border-radius:20px;
    }

    .topbar {
        position:fixed;
        left:0;
        top:0;
        width:100vw;
        height:70px;
        background:#111827;
        border-bottom:1px solid #23304d;
        display:flex;
        align-items:center;
        padding:0 15px;
        z-index:200;
    }

    #menuBtn {
        width:42px;
        height:42px;
        flex-shrink:0;
        border:none;
        border-radius:12px;
        background:#172033;
        color:white;
        font-size:22px;
        cursor:pointer;
    }

    .mobileTitleContainer {
        flex:1;
        display:flex;
        justify-content:center;
        overflow:hidden;
        padding-right:42px;
    }

    .mobileTitle {
        font-size:clamp(20px,6vw,30px);
        font-weight:800;
        color:#60a5fa;
        white-space:nowrap;
        overflow:hidden;
        text-overflow:ellipsis;
    }

    .sidebar {
        left:-280px;
        top:0;
        width:260px;
        height:100vh;
        border-radius:0;
    }

    .sidebar.open {
        left:0;
    }

    .overlay {
        position:fixed;
        inset:0;
        background:rgba(0,0,0,.45);
        opacity:0;
        pointer-events:none;
        transition:opacity .2s;
        display:block;
        z-index:90;
    }

    .overlay.open {
        opacity:1;
        pointer-events:auto;
    }
    
    .frame-loader {
        border-radius: 20px;
    }
}