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

body {
    height: 100vh;
    background: linear-gradient(135deg, #4e73df, #1cc88a);
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-wrapper {
    width: 100%;
    max-width: 420px;
    padding: 20px;
}

.login-box {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(12px);
    border-radius: 16px;
    padding: 35px;
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
    animation: fadeIn 0.6s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to   { opacity: 1; transform: translateY(0); }
}

h2 {
    font-size: 28px;
    font-weight: 600;
    color: #fff;
    text-align: center;
}

.subtitle {
    text-align: center;
    color: #e8e8e8;
    margin-bottom: 25px;
    font-size: 14px;
}

.input-group {
    margin-bottom: 18px;
}

.input-group label {
    color: #fff;
    font-size: 14px;
    margin-bottom: 5px;
    display: block;
}

.input-group input {
    width: 100%;
    padding: 12px;
    border-radius: 8px;
    border: none;
    outline: none;
    background: rgba(255,255,255,0.25);
    color: #fff;
    font-size: 15px;
    transition: 0.2s;
}

.input-group input:focus {
    background: rgba(255,255,255,0.35);
}

.btn-login {
    width: 100%;
    padding: 12px;
    background: #002579;
    color: #06d5cc;
    font-weight: 600;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 16px;
    transition: 0.2s;
}

.btn-login:hover {
    background: #f1f1f1;
}

.alert {
    padding: 10px;
    border-radius: 6px;
    margin-bottom: 15px;
    text-align: center;
    font-size: 14px;
}

.alert.error {
    background: rgba(255, 0, 0, 0.25);
    color: #fff;
}