/* ---------- Reset & Base ---------- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, sans-serif;
}

body {
    background-color: #f5f6fa;
    color: #333;
    line-height: 1.5;
}

/* ---------- Header ---------- */
header {
    background-color: #222;
    color: #fff;
    text-align: center;
    padding: 20px 0;
}

header h1 {
    font-size: 28px;
}

/* ---------- Navigation ---------- */
nav {
    display: flex;
    justify-content: center;
    background-color: #333;
    padding: 10px 0;
}

nav a {
    color: #fff;
    padding: 8px 20px;
    margin: 2px 5px;
    border-radius: 5px;
    transition: background 0.3s;
}

nav a:hover {
    background-color: #555;
}

/* ---------- Container ---------- */
.container {
    max-width: 400px;
    margin: 40px auto;
    padding: 0 15px;
}

/* ---------- Card ---------- */
.card {
    background-color: #fff;
    padding: 25px 20px;
    border-radius: 10px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
}

.card h2 {
    margin-bottom: 20px;
    text-align: center;
    color: #222;
}

/* ---------- Form Elements ---------- */
form label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
}

form input[type="email"],
form input[type="password"] {
    width: 100%;
    padding: 10px;
    margin-bottom: 15px;
    border-radius: 6px;
    border: 1px solid #ccc;
    font-size: 14px;
    transition: border-color 0.3s;
}

form input:focus {
    border-color: #222;
    outline: none;
}

/* ---------- Button ---------- */
button {
    width: 100%;
    padding: 10px;
    background-color: #222;
    color: #fff;
    border: none;
    border-radius: 6px;
    font-size: 16px;
    cursor: pointer;
    transition: background 0.3s;
}

button:hover {
    background-color: #555;
}

/* ---------- Links ---------- */
.card p {
    text-align: center;
    margin-top: 15px;
}

.card p a {
    color: #222;
    text-decoration: none;
    font-weight: bold;
}

.card p a:hover {
    text-decoration: underline;
}

/* ---------- Responsive ---------- */
@media (max-width: 500px) {
    .container {
        margin: 20px;
    }
}