/* ================= VARIABLES ================= */
:root{
    --primary:#1d4ed8;
    --primary-soft:#e0e7ff;
    --dark:#0f172a;
    --muted:#64748b;
    --glass:rgba(255,255,255,.75);
    --radius-xl:26px;
    --radius-lg:18px;
}

/* ================= RESET ================= */
*{
    margin:0;
    padding:0;
    box-sizing:border-box;
}

body{
    font-family:'Chakra Petch', sans-serif;
    min-height:100vh;
    background:
        radial-gradient(circle at 15% 20%, #e0e7ff, transparent 40%),
        radial-gradient(circle at 85% 80%, #fde68a, transparent 35%),
        linear-gradient(180deg,#f8fafc,#e2e8f0);
    color:var(--dark);
    overflow-x:hidden;
}

/* ================= BACKGROUND ICONS ================= */
.background-fingerprints{
    position:fixed;
    inset:0;
    pointer-events:none;
    z-index:0;
}
.background-fingerprints i{
    position:absolute;
    top:-10%;
    left:var(--left);
    font-size:var(--size);
    color:rgba(29,78,216,.08);
    animation:float 18s linear infinite;
    animation-delay:var(--delay);
}
@keyframes float{
    from{ transform:translateY(0); }
    to{ transform:translateY(120vh); }
}

/* ================= HEADER ================= */
.header{
    position:relative;
    z-index:10;
    display:flex;
    justify-content:space-between;
    align-items:center;
    padding:18px 42px;
    background:var(--glass);
    backdrop-filter:blur(16px);
    box-shadow:0 20px 50px rgba(0,0,0,.15);
}

/* Logo */
.logo-container{
    display:flex;
    align-items:center;
    gap:14px;
}
.logo{
    width:44px;
    height:44px;
    border-radius:12px;
    box-shadow:0 6px 18px rgba(0,0,0,.25);
}
.logo-container h1{
    font-size:22px;
    letter-spacing:2px;
    font-weight:600;
}

/* User menu */
.user-menu{
    display:flex;
    align-items:center;
    gap:18px;
}
.username{
    font-size:14px;
    font-weight:600;
    color:var(--muted);
}

/* Avatar */
.avatar-container{
    position:relative;
}
.avatar{
    width:46px;
    height:46px;
    border-radius:50%;
    border:2px solid var(--primary);
    cursor:pointer;
    transition:.25s ease;
}
.avatar:hover{
    transform:scale(1.05);
}

/* Logout */
.btn-logout{
    position:absolute;
    top:58px;
    right:0;
    background:linear-gradient(135deg,#1e293b,#020617);
    color:#fff;
    padding:10px 16px;
    border-radius:14px;
    font-size:13px;
    text-decoration:none;
    opacity:0;
    pointer-events:none;
    box-shadow:0 18px 40px rgba(0,0,0,.35);
    transition:.25s ease;
    white-space:nowrap;
}
.avatar-container:hover .btn-logout{
    opacity:1;
    pointer-events:auto;
    transform:translateY(4px);
}

/* ================= MAIN ================= */
.main-content{
    position:relative;
    z-index:5;
    padding:80px 20px;
}

.cards{
    max-width:1000px;
    margin:auto;
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(280px,1fr));
    gap:34px;
}

/* ================= CARD ================= */
.card{
    background:var(--glass);
    backdrop-filter:blur(14px);
    border-radius:var(--radius-xl);
    padding:40px 34px;
    text-align:center;
    box-shadow:
        0 30px 70px rgba(0,0,0,.18),
        inset 0 1px 0 rgba(255,255,255,.6);
    transition:.35s ease;
    position:relative;
    overflow:hidden;
}

.card::before{
    content:"";
    position:absolute;
    inset:0;
    background:linear-gradient(120deg,transparent,rgba(255,255,255,.35),transparent);
    transform:translateX(-100%);
    transition:.6s ease;
}
.card:hover::before{
    transform:translateX(100%);
}

.card:hover{
    transform:translateY(-8px) scale(1.02);
    box-shadow:0 45px 90px rgba(0,0,0,.28);
}

/* Icon */
.card i{
    color:var(--primary);
    margin-bottom:18px;
}

/* Title */
.card h2{
    font-size:20px;
    margin-bottom:12px;
    letter-spacing:.5px;
}

/* Text */
.card p{
    font-size:14px;
    color:var(--muted);
    line-height:1.6;
    margin-bottom:26px;
}

/* Button */
.btn-card{
    display:inline-block;
    padding:14px 34px;
    border-radius:999px;
    background:linear-gradient(135deg,#2563eb,#1e40af);
    color:#fff;
    font-weight:600;
    text-decoration:none;
    box-shadow:
        0 20px 45px rgba(37,99,235,.5),
        inset 0 1px 0 rgba(255,255,255,.4);
    transition:.3s ease;
}
.btn-card:hover{
    transform:translateY(-3px);
    box-shadow:0 28px 65px rgba(37,99,235,.65);
}

/* ================= MOBILE ================= */
@media(max-width:768px){
    .header{
        padding:16px 20px;
    }
    .logo-container h1{
        font-size:18px;
    }
}