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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto;
    height: 100vh;
    background: #0b1220;
    overflow: hidden;
}

/* BACKGROUND */
.bg {
    position: absolute;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(circle at 20% 20%, #1e3a8a 0%, transparent 40%),
        radial-gradient(circle at 80% 80%, #2563eb 0%, transparent 40%);
    filter: blur(80px);
    opacity: 0.6;
}

/* CONTAINER */
.login-container {
    position: relative;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* CARD */
.login-card {
    width: 380px;
    padding: 40px;
    border-radius: 20px;

    background: rgba(255,255,255,0.05);
    backdrop-filter: blur(20px);

    border: 1px solid rgba(255,255,255,0.08);

    box-shadow:
        0 20px 60px rgba(0,0,0,0.5),
        inset 0 1px 0 rgba(255,255,255,0.05);
}

/* LOGO */
.logo {
    text-align: center;
    margin-bottom: 30px;
}

.logo h1 {
    color: #fff;
    font-size: 26px;
    letter-spacing: 1px;
}

.logo span {
    color: #94a3b8;
    font-size: 13px;
}

/* TITLE */
.login-card h2 {
    color: #fff;
    text-align: center;
    margin-bottom: 30px;
    font-weight: 500;
}

/* INPUT */
.input-group {
    position: relative;
    margin-bottom: 20px;
}

.input-group input {
    width: 100%;
    height: 50px;
    border-radius: 10px;

    border: 1px solid rgba(255,255,255,0.1);
    background: rgba(255,255,255,0.04);

    padding: 0 12px;
    color: #fff;

    outline: none;
    transition: 0.2s;
}

.input-group label {
    position: absolute;
    left: 12px;
    top: 14px;
    color: #64748b;
    font-size: 14px;
    pointer-events: none;
    transition: 0.2s;
}

/* FLOAT LABEL */
.input-group input:focus + label,
.input-group input:not(:placeholder-shown) + label {
    top: -8px;
    left: 10px;
    font-size: 11px;
    background: #0b1220;
    padding: 0 5px;
}

/* FOCUS */
.input-group input:focus {
    border-color: #3b82f6;
    box-shadow: 0 0 0 2px rgba(59,130,246,0.2);
}

/* BUTTON */
.btn-login {
    width: 100%;
    height: 50px;
    border-radius: 10px;

    border: none;
    background: linear-gradient(135deg, #2563eb, #3b82f6);

    color: #fff;
    font-weight: bold;
    cursor: pointer;

    transition: 0.2s;
}

.btn-login:hover {
    transform: translateY(-1px);
    box-shadow: 0 10px 25px rgba(37,99,235,0.4);
}

/* FOOTER */
.footer {
    margin-top: 20px;
    text-align: center;
    color: #64748b;
    font-size: 12px;
}

.logo-img {
    max-width: 220px;
    width: 100%;
    height: auto;
    display: block;
    margin: 0 auto 8px;
    filter: drop-shadow(0 6px 18px rgba(0,0,0,0.18));
}