* {
    box-sizing:border-box;
}

body {
    margin:0;
    padding:0;
    background: radial-gradient(circle at top, #00eaff 0%, #000814 40%, #000 100%);
    font-family: 'Segoe UI', Arial, sans-serif;
    color:#e0f7ff;
}

/* TOPBAR */
.topbar {
    position:fixed;
    top:0;
    left:0;
    right:0;
    height:60px;
    background:rgba(0,10,25,0.95);
    border-bottom:1px solid #00eaff55;
    display:flex;
    align-items:center;
    justify-content:space-between;
    padding:0 20px;
    z-index:20;
    box-shadow:0 0 20px #00eaff55;
}

.topbar-title {
    display:flex;
    align-items:center;
    gap:10px;
    font-size:18px;
    color:#00eaff;
    text-shadow:0 0 10px #00eaff;
}

/* LOGO CIRCLE */
.logo-circle {
    width:26px;
    height:26px;
    border-radius:50%;
    border:2px solid #00eaff;
    box-shadow:0 0 12px #00eaff;
    display:flex;
    align-items:center;
    justify-content:center;
    font-size:14px;
}

/* HAMBURGER */
.hamburger {
    width:30px;
    height:22px;
    cursor:pointer;
    display:flex;
    flex-direction:column;
    justify-content:space-between;
}

.hamburger span {
    display:block;
    height:3px;
    border-radius:3px;
    background:#00eaff;
    box-shadow:0 0 8px #00eaff;
    transition:0.3s;
}

/* SIDEBAR */
.sidebar {
    position:fixed;
    left:0;
    top:60px;
    width:220px;
    height:calc(100vh - 60px);
    background:#00121d;
    border-right:1px solid #00eaff55;
    box-shadow:0 0 20px #00eaff55;
    padding-top:10px;
    transform:translateX(0);
    transition:transform 0.3s;
    z-index:15;
}

.sidebar.hidden {
    transform:translateX(-230px);
}

.sidebar a {
    display:flex;
    align-items:center;
    gap:10px;
    padding:12px 20px;
    color:#9be7ff;
    text-decoration:none;
    font-size:15px;
    border-bottom:1px solid #002233;
}

.sidebar a:hover {
    background:#002b44;
    color:#00eaff;
}

/* SVG ICON */
.icon {
    width:18px;
    height:18px;
    fill:#00eaff;
    filter:drop-shadow(0 0 6px #00eaff);
    transition:transform 0.2s;
}

.sidebar a:hover .icon {
    transform:scale(1.1);
}

/* CONTENT */
.content {
    margin-left:240px;
    padding:90px 30px 30px 30px;
    transition:margin-left 0.3s;
}

.content.full {
    margin-left:20px;
}

/* CARD */
.card {
    background:rgba(0,10,25,0.9);
    padding:25px;
    border-radius:16px;
    border:1px solid #00eaff55;
    box-shadow:0 0 25px #00eaff55;
    width:100%;
    max-width:1000px;
}

/* TITLE */
.title {
    font-size:22px;
    margin-bottom:15px;
    color:#00eaff;
    text-shadow:0 0 10px #00eaff;
}

/* INPUT */
.input {
    width:100%;
    padding:10px;
    margin:8px 0;
    border-radius:8px;
    border:1px solid #00eaff55;
    background:#000814;
    color:#e0f7ff;
}

/* BUTTON */
.btn {
    padding:10px 20px;
    border:none;
    border-radius:8px;
    background:#00eaff;
    color:#00111a;
    font-weight:bold;
    cursor:pointer;
}

.btn:hover {
    filter:brightness(1.2);
}

/* GRID DASHBOARD */
.grid {
    display:grid;
    grid-template-columns:2fr 1fr;
    gap:20px;
}

@media(max-width:900px){
    .sidebar {
        transform:translateX(-230px);
    }
    .content {
        margin-left:20px;
    }
    .grid {
        grid-template-columns:1fr;
    }
}