/* ------------------------------
   GLOBAL BACKGROUND + FONT
------------------------------ */
body {
    margin: 0;
    padding: 0;
    font-family: 'Poppins', sans-serif;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;

    background: radial-gradient(circle at top,
                #1e293b 0%, 
                #0f172a 40%, 
                #000 100%);
    overflow: hidden;
}

/* Floating glowing shapes */
.glow-circle {
    position: absolute;
    width: 180px;
    height: 180px;
    background: rgba(56, 189, 248, 0.25);
    border-radius: 50%;
    filter: blur(70px);
    top: 10%;
    right: 15%;
    animation: float 6s ease-in-out infinite alternate;
    z-index: 1;
}

.glow-circle2 {
    position: absolute;
    width: 200px;
    height: 200px;
    background: rgba(147, 51, 234, 0.25);
    border-radius: 50%;
    filter: blur(80px);
    bottom: 12%;
    left: 12%;
    animation: float2 7s ease-in-out infinite alternate;
    z-index: 1;
}

@keyframes float {
    from { transform: translateY(0px); }
    to   { transform: translateY(30px); }
}
@keyframes float2 {
    from { transform: translateY(20px); }
    to   { transform: translateY(-20px); }
}

/* ------------------------------
   LOGIN CARD (GLASS STYLE)
------------------------------ */
.login-card {
    width: 380px;
    padding: 35px 30px;
    border-radius: 18px;

    backdrop-filter: blur(18px);
    background: rgba(255,255,255,0.07);
    border: 1px solid rgba(255,255,255,0.15);

    box-shadow: 0 0 30px rgba(0,0,0,0.4),
                0 0 12px rgba(59,130,246,0.15);

    z-index: 5;
    animation: fadeIn 0.8s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-12px); }
    to   { opacity: 1; transform: translateY(0); }
}

.login-title {
    text-align: center;
    color: #fff;
    font-weight: 600;
    font-size: 24px;
    margin-bottom: 20px;
}

/* ------------------------------
   INPUT
------------------------------ */
.form-control {
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.2);
    color: #fff;
}
.form-control::placeholder {
    color: #cbd5e1;
}

/* ------------------------------
   LOGIN BUTTON
------------------------------ */
.btn-login {
    background: linear-gradient(135deg, #38bdf8, #6366f1);
    border: none;
    color: white;
    font-weight: 600;
    padding: 10px;
    border-radius: 8px;
    transition: 0.25s;
    box-shadow: 0 0 10px rgba(56,189,248,0.4);
}
.btn-login:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 18px rgba(56,189,248,0.8);
}

/* Alert */
.alert {
    font-size: 14px;
    padding: 8px 12px;
}
