* {
    box-sizing: border-box;
    font-family: 'Inter', system-ui, sans-serif;
}

body {
    margin: 0;
    height: 100vh;
    background: linear-gradient(135deg, #0f172a, #020617);
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-container {
    width: 100%;
    display: flex;
    justify-content: center;
}

.login-card {
    width: 360px;
    padding: 40px;
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.04);
    backdrop-filter: blur(12px);
    box-shadow: 0 30px 80px rgba(0,0,0,.5);
    text-align: center;
    color: #fff;
}

    .login-card h1 {
        margin: 0;
        font-size: 28px;
        letter-spacing: 0.5px;
    }

.subtitle {
    margin-bottom: 30px;
    opacity: 0.7;
    font-size: 14px;
}

input {
    width: 100%;
    padding: 14px;
    margin-bottom: 14px;
    border-radius: 8px;
    border: none;
    background: rgba(255,255,255,0.08);
    color: #fff;
    outline: none;
}

    input::placeholder {
        color: rgba(255,255,255,0.6);
    }

button {
    width: 100%;
    padding: 14px;
    border-radius: 8px;
    border: none;
    background: #38bdf8;
    color: #020617;
    font-weight: 600;
    cursor: pointer;
    transition: all .2s ease;
}

    button:hover {
        background: #0ea5e9;
    }

.error {
    display: block;
    margin-top: 14px;
    color: #f87171;
    font-size: 13px;
}

@media (max-width: 1000px) {
    .login-card {
        width: 92vw;      
        padding: 32px;   
        border-radius: 16px;
    }

    .login-card h1 {
        font-size: 32px;  
    }

    .subtitle {
        font-size: 15px;
    }
}