:root {
    --dark-bg: #1a202c; /* A deep, dark blue-gray */
    --container-bg: #2d3748; /* A slightly lighter gray for the card */
    --light-text: #edf2f7; /* A soft, off-white */
    --accent-color: #38b2ac; /* A vibrant teal, similar to modern tech branding */
    --accent-hover: #319795;
    --border-color: #4a5568;
}

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--dark-bg);
    color: var(--light-text);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
    padding: 20px;
    box-sizing: border-box;
}

.container {
    background-color: var(--container-bg);
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
    max-width: 600px;
    width: 100%;
    text-align: center;
    border: 1px solid var(--border-color);
}

h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-top: 0;
    margin-bottom: 10px;
    color: #fff;
}

.status-message {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--accent-color);
    margin-bottom: 20px;
}

hr {
    border: 0;
    height: 1px;
    background: var(--border-color);
    margin: 30px 0;
}

h2 {
    font-size: 1.5rem;
    margin-bottom: 10px;
}

p {
    line-height: 1.6;
    margin-bottom: 20px;
}

form {
    display: flex;
    flex-direction: column;
    gap: 15px;
    text-align: left;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
}

input[type="text"],
input[type="email"],
textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background-color: var(--dark-bg);
    color: var(--light-text);
    font-size: 1rem;
    box-sizing: border-box;
    transition: border-color 0.3s;
}

input[type="text"]:focus,
input[type="email"]:focus,
textarea:focus {
    outline: none;
    border-color: var(--accent-color);
}

button[type="submit"] {
    background-color: var(--accent-color);
    color: #fff;
    font-weight: 600;
    font-size: 1rem;
    padding: 15px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.3s;
}

button[type="submit"]:hover {
    background-color: var(--accent-hover);
}

footer {
    margin-top: 40px;
    font-size: 0.9rem;
    color: var(--border-color);
}

@media (max-width: 600px) {
    .container {
        padding: 25px;
    }
    h1 {
        font-size: 2rem;
    }
}