/* Form tra cứu bảo hành */
#warranty-lookup {
    background: #fff;
    border-radius: 12px;
    padding: 25px;
    max-width: 500px;
    margin: 30px auto;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    text-align: center;
    font-family: "Helvetica Neue", sans-serif;
}

#warranty-lookup h3 {
    color: #333;
    margin-bottom: 15px;
    font-size: 1.3rem;
    font-weight: 600;
}

#warranty-lookup-form input {
    width: 100%;
    padding: 10px 15px;
    border: 1px solid #ddd;
    border-radius: 8px;
    margin-bottom: 10px;
    transition: all 0.3s ease;
}

#warranty-lookup-form input:focus {
    border-color: #ff6600;
    outline: none;
    box-shadow: 0 0 0 2px rgba(255, 102, 0, 0.2);
}

#warranty-lookup-form button {
    width: 100%;
    padding: 10px;
    background: #ff6600;
    color: #fff;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.3s ease;
}

#warranty-lookup-form button:hover {
    background: #e65500;
}

/* Kết quả tra cứu */
#warranty-result {
    margin-top: 20px;
    text-align: left;
}

.warranty-card {
    background: #fafafa;
    border-radius: 10px;
    padding: 15px 20px;
    border: 1px solid #eee;
}

.warranty-card h3 {
    text-align: center;
    color: #333;
    margin-bottom: 10px;
}

.warranty-card ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.warranty-card li {
    margin: 6px 0;
    font-size: 15px;
}

.loading {
    color: #777;
}

.error {
    color: red;
    font-weight: 600;
}

.not-found {
    color: #ff6600;
    font-weight: 600;
}