.wp-tf-form {
    max-width: 420px;
    margin: 20px auto;
    padding: 20px 24px;
    background: #111827;
    color: #f9fafb;
    border-radius: 8px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.4);
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.wp-tf-form-title {
    margin: 0 0 16px;
    font-size: 18px;
    font-weight: 600;
    text-align: center;
}

.wp-tf-form-success {
    text-align: center;
}

.wp-tf-field {
    margin-bottom: 12px;
}

.wp-tf-field label {
    display: block;
    margin-bottom: 4px;
    font-size: 13px;
    color: #9ca3af;
}

.wp-tf-field input[type="text"],
.wp-tf-field select,
.wp-tf-field textarea {
    width: 100%;
    box-sizing: border-box;
    padding: 8px 10px;
    border-radius: 4px;
    border: 1px solid #374151;
    background: #020617;
    color: #e5e7eb;
    font-size: 14px;
    outline: none;
    transition: border-color 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.wp-tf-field input[type="text"]:focus,
.wp-tf-field select:focus,
.wp-tf-field textarea:focus {
    border-color: #22c55e;
    box-shadow: 0 0 0 1px rgba(34,197,94,0.4);
    background: #020617;
}

.wp-tf-field textarea {
    resize: vertical;
    min-height: 90px;
}

.wp-tf-actions {
    margin-top: 14px;
    text-align: right;
}

.wp-tf-actions button {
    padding: 8px 18px;
    border-radius: 999px;
    border: none;
    background: linear-gradient(135deg, #22c55e, #16a34a);
    color: #f9fafb;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    box-shadow: 0 6px 18px rgba(34,197,94,0.4);
    transition: transform 0.1s ease, box-shadow 0.1s ease, filter 0.1s ease;
}

.wp-tf-actions button:hover {
    filter: brightness(1.05);
    box-shadow: 0 8px 22px rgba(34,197,94,0.55);
}

.wp-tf-actions button:active {
    transform: translateY(1px);
    box-shadow: 0 4px 14px rgba(34,197,94,0.35);
}