:root {
    --primary-color: #007bff;
    --primary-hover-color: #0056b3;
    --background-color: #f4f7f6;
    --form-background: #ffffff;
    --text-color: #555;
    --heading-color: #333;
    --border-color: #ddd;
    --success-bg: #d4edda;
    --success-border: #c3e6cb;
    --success-text: #155724;
    --error-bg: #f8d7da;
    --error-border: #f5c6cb;
    --error-text: #721c24;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
    background-color: var(--background-color);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
    padding: 20px;
}

.form-container {
    background-color: var(--form-background);
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: 0 5px 25px rgba(0,0,0,0.08);
    width: 100%;
    max-width: 500px;
}

h1 {
    text-align: center;
    color: var(--heading-color);
    margin-bottom: 0.5rem;
    font-weight: 600;
}

p {
    text-align: center;
    color: var(--text-color);
    margin-bottom: 2rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--heading-color);
    font-weight: 500;
    font-size: 0.9rem;
}

input[type="text"],
input[type="email"],
textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-sizing: border-box;
    font-size: 1rem;
    transition: border-color 0.3s, box-shadow 0.3s;
}

input[type="text"]:focus,
input[type="email"]:focus,
textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.2);
}

textarea {
    resize: vertical;
}

button {
    width: 100%;
    padding: 0.8rem;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    transition: background-color 0.3s;
    display: flex;
    justify-content: center;
    align-items: center;
}

button:hover {
    background-color: var(--primary-hover-color);
}

button:disabled {
    background-color: #86b7ff;
    cursor: not-allowed;
}

.button-loader i {
    animation: spin 1s infinite linear;
    margin-right: 0.5rem;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

#form-messages {
    margin-bottom: 1.5rem;
    padding: 1rem;
    border-radius: 8px;
    display: none; /* Hidden by default */
}

#form-messages.success {
    background-color: var(--success-bg);
    border: 1px solid var(--success-border);
    color: var(--success-text);
    display: block;
}

#form-messages.error {
    background-color: var(--error-bg);
    border: 1px solid var(--error-border);
    color: var(--error-text);
    display: block;
}

.honeypot-field {
    display: none;
}