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

body {
    font-family: 'Segoe UI', Arial, sans-serif;
    background: linear-gradient(135deg, #111827, #1f2937);
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* Login Card */
.login-container {
    background: #ffffff;
    padding: 40px;
    width: 360px;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.25);
    text-align: center;
}

.login-container h2 {
    margin-bottom: 25px;
    color: #111827;
}

/* Inputs */
.login-container input {
    width: 100%;
    padding: 12px;
    margin-bottom: 15px;
    border: 1px solid #d1d5db;
    border-radius: 6px;
    font-size: 14px;
    transition: 0.3s;
}

.login-container input:focus {
    border-color: #2563eb;
    outline: none;
    box-shadow: 0 0 0 2px rgba(37,99,235,0.2);
}

/* Button */
.login-container button {
    width: 100%;
    padding: 12px;
    background: #2563eb;
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 15px;
    cursor: pointer;
    transition: 0.3s;
}

.login-container button:hover {
    background: #1d4ed8;
}

/* Links */
.login-container a {
    color: #2563eb;
    text-decoration: none;
    font-size: 13px;
}

.login-container a:hover {
    text-decoration: underline;
}

/* Error message */
#response {
    margin-top: 10px;
    font-size: 13px;
    color: red;
}